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< h1 > Source code for django.db.models.base< / h1 > < div class = "highlight" > < pre >
< span > < / span > < span class = "kn" > import< / span > < span class = "w" > < / span > < span class = "nn" > copy< / span >
< span class = "kn" > import< / span > < span class = "w" > < / span > < span class = "nn" > inspect< / span >
< span class = "kn" > import< / span > < span class = "w" > < / span > < span class = "nn" > warnings< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > collections< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > defaultdict< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > functools< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > partialmethod< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > itertools< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > chain< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > asgiref.sync< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > sync_to_async< / span >
< span class = "kn" > import< / span > < span class = "w" > < / span > < span class = "nn" > django< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.apps< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > apps< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.conf< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > settings< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.core< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > checks< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.core.exceptions< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "p" > (< / span >
< span class = "n" > NON_FIELD_ERRORS< / span > < span class = "p" > ,< / span >
< span class = "n" > FieldDoesNotExist< / span > < span class = "p" > ,< / span >
< span class = "n" > FieldError< / span > < span class = "p" > ,< / span >
< span class = "n" > MultipleObjectsReturned< / span > < span class = "p" > ,< / span >
< span class = "n" > ObjectDoesNotExist< / span > < span class = "p" > ,< / span >
< span class = "n" > ValidationError< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "p" > (< / span >
< span class = "n" > DJANGO_VERSION_PICKLE_KEY< / span > < span class = "p" > ,< / span >
< span class = "n" > DatabaseError< / span > < span class = "p" > ,< / span >
< span class = "n" > connection< / span > < span class = "p" > ,< / span >
< span class = "n" > connections< / span > < span class = "p" > ,< / span >
< span class = "n" > router< / span > < span class = "p" > ,< / span >
< span class = "n" > transaction< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > NOT_PROVIDED< / span > < span class = "p" > ,< / span > < span class = "n" > ExpressionWrapper< / span > < span class = "p" > ,< / span > < span class = "n" > IntegerField< / span > < span class = "p" > ,< / span > < span class = "n" > Max< / span > < span class = "p" > ,< / span > < span class = "n" > Value< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.constants< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > LOOKUP_SEP< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.deletion< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > CASCADE< / span > < span class = "p" > ,< / span > < span class = "n" > Collector< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.expressions< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > DatabaseDefault< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.fields.composite< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > CompositePrimaryKey< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.fields.related< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "p" > (< / span >
< span class = "n" > ForeignObjectRel< / span > < span class = "p" > ,< / span >
< span class = "n" > OneToOneField< / span > < span class = "p" > ,< / span >
< span class = "n" > lazy_related_operation< / span > < span class = "p" > ,< / span >
< span class = "n" > resolve_relation< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.functions< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > Coalesce< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.manager< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > Manager< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.options< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > Options< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.query< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > F< / span > < span class = "p" > ,< / span > < span class = "n" > Q< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.signals< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "p" > (< / span >
< span class = "n" > class_prepared< / span > < span class = "p" > ,< / span >
< span class = "n" > post_init< / span > < span class = "p" > ,< / span >
< span class = "n" > post_save< / span > < span class = "p" > ,< / span >
< span class = "n" > pre_init< / span > < span class = "p" > ,< / span >
< span class = "n" > pre_save< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db.models.utils< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > AltersData< / span > < span class = "p" > ,< / span > < span class = "n" > make_model_tuple< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.utils.deprecation< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > RemovedInDjango60Warning< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.utils.encoding< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > force_str< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.utils.hashable< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > make_hashable< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.utils.text< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > capfirst< / span > < span class = "p" > ,< / span > < span class = "n" > get_text_list< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.utils.translation< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > gettext_lazy< / span > < span class = "k" > as< / span > < span class = "n" > _< / span >
< span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > Deferred< / span > < span class = "p" > :< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "fm" > __repr__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "s2" > " < Deferred field> " < / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "fm" > __str__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "s2" > " < Deferred field> " < / span >
< span class = "n" > DEFERRED< / span > < span class = "o" > =< / span > < span class = "n" > Deferred< / span > < span class = "p" > ()< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > subclass_exception< / span > < span class = "p" > (< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > bases< / span > < span class = "p" > ,< / span > < span class = "n" > module< / span > < span class = "p" > ,< / span > < span class = "n" > attached_to< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Create exception subclass. Used by ModelBase below.< / span >
< span class = "sd" > The exception is created in a way that allows it to be pickled, assuming< / span >
< span class = "sd" > that the returned exception class will be added as an attribute to the< / span >
< span class = "sd" > ' attached_to' class.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > return< / span > < span class = "nb" > type< / span > < span class = "p" > (< / span >
< span class = "n" > name< / span > < span class = "p" > ,< / span >
< span class = "n" > bases< / span > < span class = "p" > ,< / span >
< span class = "p" > {< / span >
< span class = "s2" > " __module__" < / span > < span class = "p" > :< / span > < span class = "n" > module< / span > < span class = "p" > ,< / span >
< span class = "s2" > " __qualname__" < / span > < span class = "p" > :< / span > < span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > .< / span > < span class = "si" > %s< / span > < span class = "s2" > " < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > attached_to< / span > < span class = "o" > .< / span > < span class = "vm" > __qualname__< / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _has_contribute_to_class< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > ):< / span >
< span class = "c1" > # Only call contribute_to_class() if it' s bound.< / span >
< span class = "k" > return< / span > < span class = "ow" > not< / span > < span class = "n" > inspect< / span > < span class = "o" > .< / span > < span class = "n" > isclass< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > )< / span > < span class = "ow" > and< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > ,< / span > < span class = "s2" > " contribute_to_class" < / span > < span class = "p" > )< / span >
< div class = "viewcode-block" id = "ModelBase" >
< a class = "viewcode-back" href = "../../../../api/evennia.typeclasses.models.html#evennia.typeclasses.models.ModelBase" > [docs]< / a >
< span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > ModelBase< / span > < span class = "p" > (< / span > < span class = "nb" > type< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Metaclass for all models." " " < / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "fm" > __new__< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > bases< / span > < span class = "p" > ,< / span > < span class = "n" > attrs< / span > < span class = "p" > ,< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ):< / span >
< span class = "n" > super_new< / span > < span class = "o" > =< / span > < span class = "nb" > super< / span > < span class = "p" > ()< / span > < span class = "o" > .< / span > < span class = "fm" > __new__< / span >
< span class = "c1" > # Also ensure initialization is only performed for subclasses of Model< / span >
< span class = "c1" > # (excluding Model class itself).< / span >
< span class = "n" > parents< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "n" > b< / span > < span class = "k" > for< / span > < span class = "n" > b< / span > < span class = "ow" > in< / span > < span class = "n" > bases< / span > < span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > b< / span > < span class = "p" > ,< / span > < span class = "n" > ModelBase< / span > < span class = "p" > )]< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > parents< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "n" > super_new< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > bases< / span > < span class = "p" > ,< / span > < span class = "n" > attrs< / span > < span class = "p" > )< / span >
< span class = "c1" > # Create the class.< / span >
< span class = "n" > module< / span > < span class = "o" > =< / span > < span class = "n" > attrs< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "s2" > " __module__" < / span > < span class = "p" > )< / span >
< span class = "n" > new_attrs< / span > < span class = "o" > =< / span > < span class = "p" > {< / span > < span class = "s2" > " __module__" < / span > < span class = "p" > :< / span > < span class = "n" > module< / span > < span class = "p" > }< / span >
< span class = "n" > classcell< / span > < span class = "o" > =< / span > < span class = "n" > attrs< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "s2" > " __classcell__" < / span > < span class = "p" > ,< / span > < span class = "kc" > None< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > classcell< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > new_attrs< / span > < span class = "p" > [< / span > < span class = "s2" > " __classcell__" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > classcell< / span >
< span class = "n" > attr_meta< / span > < span class = "o" > =< / span > < span class = "n" > attrs< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "s2" > " Meta" < / span > < span class = "p" > ,< / span > < span class = "kc" > None< / span > < span class = "p" > )< / span >
< span class = "c1" > # Pass all attrs without a (Django-specific) contribute_to_class()< / span >
< span class = "c1" > # method to type.__new__() so that they' re properly initialized< / span >
< span class = "c1" > # (i.e. __set_name__()).< / span >
< span class = "n" > contributable_attrs< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > for< / span > < span class = "n" > obj_name< / span > < span class = "p" > ,< / span > < span class = "n" > obj< / span > < span class = "ow" > in< / span > < span class = "n" > attrs< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "n" > _has_contribute_to_class< / span > < span class = "p" > (< / span > < span class = "n" > obj< / span > < span class = "p" > ):< / span >
< span class = "n" > contributable_attrs< / span > < span class = "p" > [< / span > < span class = "n" > obj_name< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > obj< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > new_attrs< / span > < span class = "p" > [< / span > < span class = "n" > obj_name< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > obj< / span >
< span class = "n" > new_class< / span > < span class = "o" > =< / span > < span class = "n" > super_new< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > bases< / span > < span class = "p" > ,< / span > < span class = "n" > new_attrs< / span > < span class = "p" > ,< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > )< / span >
< span class = "n" > abstract< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "n" > attr_meta< / span > < span class = "p" > ,< / span > < span class = "s2" > " abstract" < / span > < span class = "p" > ,< / span > < span class = "kc" > False< / span > < span class = "p" > )< / span >
< span class = "n" > meta< / span > < span class = "o" > =< / span > < span class = "n" > attr_meta< / span > < span class = "ow" > or< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "n" > new_class< / span > < span class = "p" > ,< / span > < span class = "s2" > " Meta" < / span > < span class = "p" > ,< / span > < span class = "kc" > None< / span > < span class = "p" > )< / span >
< span class = "n" > base_meta< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "n" > new_class< / span > < span class = "p" > ,< / span > < span class = "s2" > " _meta" < / span > < span class = "p" > ,< / span > < span class = "kc" > None< / span > < span class = "p" > )< / span >
< span class = "n" > app_label< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "c1" > # Look for an application configuration to attach the model to.< / span >
< span class = "n" > app_config< / span > < span class = "o" > =< / span > < span class = "n" > apps< / span > < span class = "o" > .< / span > < span class = "n" > get_containing_app_config< / span > < span class = "p" > (< / span > < span class = "n" > module< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "p" > ,< / span > < span class = "s2" > " app_label" < / span > < span class = "p" > ,< / span > < span class = "kc" > None< / span > < span class = "p" > )< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > app_config< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > abstract< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > RuntimeError< / span > < span class = "p" > (< / span >
< span class = "s2" > " Model class < / span > < span class = "si" > %s< / span > < span class = "s2" > .< / span > < span class = "si" > %s< / span > < span class = "s2" > doesn' t declare an explicit " < / span >
< span class = "s2" > " app_label and isn' t in an application in " < / span >
< span class = "s2" > " INSTALLED_APPS." < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > module< / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > app_label< / span > < span class = "o" > =< / span > < span class = "n" > app_config< / span > < span class = "o" > .< / span > < span class = "n" > label< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > add_to_class< / span > < span class = "p" > (< / span > < span class = "s2" > " _meta" < / span > < span class = "p" > ,< / span > < span class = "n" > Options< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "p" > ,< / span > < span class = "n" > app_label< / span > < span class = "p" > ))< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > abstract< / span > < span class = "p" > :< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > add_to_class< / span > < span class = "p" > (< / span >
< span class = "s2" > " DoesNotExist" < / span > < span class = "p" > ,< / span >
< span class = "n" > subclass_exception< / span > < span class = "p" > (< / span >
< span class = "s2" > " DoesNotExist" < / span > < span class = "p" > ,< / span >
< span class = "nb" > tuple< / span > < span class = "p" > (< / span >
< span class = "n" > x< / span > < span class = "o" > .< / span > < span class = "n" > DoesNotExist< / span >
< span class = "k" > for< / span > < span class = "n" > x< / span > < span class = "ow" > in< / span > < span class = "n" > parents< / span >
< span class = "k" > if< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > x< / span > < span class = "p" > ,< / span > < span class = "s2" > " _meta" < / span > < span class = "p" > )< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > x< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span >
< span class = "p" > )< / span >
< span class = "ow" > or< / span > < span class = "p" > (< / span > < span class = "n" > ObjectDoesNotExist< / span > < span class = "p" > ,),< / span >
< span class = "n" > module< / span > < span class = "p" > ,< / span >
< span class = "n" > attached_to< / span > < span class = "o" > =< / span > < span class = "n" > new_class< / span > < span class = "p" > ,< / span >
< span class = "p" > ),< / span >
< span class = "p" > )< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > add_to_class< / span > < span class = "p" > (< / span >
< span class = "s2" > " MultipleObjectsReturned" < / span > < span class = "p" > ,< / span >
< span class = "n" > subclass_exception< / span > < span class = "p" > (< / span >
< span class = "s2" > " MultipleObjectsReturned" < / span > < span class = "p" > ,< / span >
< span class = "nb" > tuple< / span > < span class = "p" > (< / span >
< span class = "n" > x< / span > < span class = "o" > .< / span > < span class = "n" > MultipleObjectsReturned< / span >
< span class = "k" > for< / span > < span class = "n" > x< / span > < span class = "ow" > in< / span > < span class = "n" > parents< / span >
< span class = "k" > if< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > x< / span > < span class = "p" > ,< / span > < span class = "s2" > " _meta" < / span > < span class = "p" > )< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > x< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span >
< span class = "p" > )< / span >
< span class = "ow" > or< / span > < span class = "p" > (< / span > < span class = "n" > MultipleObjectsReturned< / span > < span class = "p" > ,),< / span >
< span class = "n" > module< / span > < span class = "p" > ,< / span >
< span class = "n" > attached_to< / span > < span class = "o" > =< / span > < span class = "n" > new_class< / span > < span class = "p" > ,< / span >
< span class = "p" > ),< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > base_meta< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > base_meta< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span > < span class = "p" > :< / span >
< span class = "c1" > # Non-abstract child classes inherit some attributes from their< / span >
< span class = "c1" > # non-abstract parent (unless an ABC comes before it in the< / span >
< span class = "c1" > # method resolution order).< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "p" > ,< / span > < span class = "s2" > " ordering" < / span > < span class = "p" > ):< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > ordering< / span > < span class = "o" > =< / span > < span class = "n" > base_meta< / span > < span class = "o" > .< / span > < span class = "n" > ordering< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "p" > ,< / span > < span class = "s2" > " get_latest_by" < / span > < span class = "p" > ):< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > get_latest_by< / span > < span class = "o" > =< / span > < span class = "n" > base_meta< / span > < span class = "o" > .< / span > < span class = "n" > get_latest_by< / span >
< span class = "n" > is_proxy< / span > < span class = "o" > =< / span > < span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > proxy< / span >
< span class = "c1" > # If the model is a proxy, ensure that the base class< / span >
< span class = "c1" > # hasn' t been swapped out.< / span >
< span class = "k" > if< / span > < span class = "n" > is_proxy< / span > < span class = "ow" > and< / span > < span class = "n" > base_meta< / span > < span class = "ow" > and< / span > < span class = "n" > base_meta< / span > < span class = "o" > .< / span > < span class = "n" > swapped< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span >
< span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > cannot proxy the swapped model ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > base_meta< / span > < span class = "o" > .< / span > < span class = "n" > swapped< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "c1" > # Add remaining attributes (those with a contribute_to_class() method)< / span >
< span class = "c1" > # to the class.< / span >
< span class = "k" > for< / span > < span class = "n" > obj_name< / span > < span class = "p" > ,< / span > < span class = "n" > obj< / span > < span class = "ow" > in< / span > < span class = "n" > contributable_attrs< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ():< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > add_to_class< / span > < span class = "p" > (< / span > < span class = "n" > obj_name< / span > < span class = "p" > ,< / span > < span class = "n" > obj< / span > < span class = "p" > )< / span >
< span class = "c1" > # All the fields of any type declared on this model< / span >
< span class = "n" > new_fields< / span > < span class = "o" > =< / span > < span class = "n" > chain< / span > < span class = "p" > (< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > ,< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_many_to_many< / span > < span class = "p" > ,< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > private_fields< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "n" > field_names< / span > < span class = "o" > =< / span > < span class = "p" > {< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > new_fields< / span > < span class = "p" > }< / span >
< span class = "c1" > # Basic setup for proxy models.< / span >
< span class = "k" > if< / span > < span class = "n" > is_proxy< / span > < span class = "p" > :< / span >
< span class = "n" > base< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "k" > for< / span > < span class = "n" > parent< / span > < span class = "ow" > in< / span > < span class = "p" > [< / span > < span class = "n" > kls< / span > < span class = "k" > for< / span > < span class = "n" > kls< / span > < span class = "ow" > in< / span > < span class = "n" > parents< / span > < span class = "k" > if< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > kls< / span > < span class = "p" > ,< / span > < span class = "s2" > " _meta" < / span > < span class = "p" > )]:< / span >
< span class = "k" > if< / span > < span class = "n" > parent< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > parent< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span >
< span class = "s2" > " Abstract base class containing model fields not " < / span >
< span class = "s2" > " permitted for proxy model ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span > < span class = "o" > %< / span > < span class = "n" > name< / span >
< span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "k" > if< / span > < span class = "n" > base< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > base< / span > < span class = "o" > =< / span > < span class = "n" > parent< / span >
< span class = "k" > elif< / span > < span class = "n" > parent< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_model< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_model< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span >
< span class = "s2" > " Proxy model ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' has more than one non-abstract model base " < / span >
< span class = "s2" > " class." < / span > < span class = "o" > %< / span > < span class = "n" > name< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > base< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span >
< span class = "s2" > " Proxy model ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' has no non-abstract model base class." < / span > < span class = "o" > %< / span > < span class = "n" > name< / span >
< span class = "p" > )< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > setup_proxy< / span > < span class = "p" > (< / span > < span class = "n" > base< / span > < span class = "p" > )< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_model< / span > < span class = "o" > =< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_model< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_model< / span > < span class = "o" > =< / span > < span class = "n" > new_class< / span >
< span class = "c1" > # Collect the parent links for multi-table inheritance.< / span >
< span class = "n" > parent_links< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > for< / span > < span class = "n" > base< / span > < span class = "ow" > in< / span > < span class = "nb" > reversed< / span > < span class = "p" > ([< / span > < span class = "n" > new_class< / span > < span class = "p" > ]< / span > < span class = "o" > +< / span > < span class = "n" > parents< / span > < span class = "p" > ):< / span >
< span class = "c1" > # Conceptually equivalent to `if base is Model`.< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > base< / span > < span class = "p" > ,< / span > < span class = "s2" > " _meta" < / span > < span class = "p" > ):< / span >
< span class = "k" > continue< / span >
< span class = "c1" > # Skip concrete parent classes.< / span >
< span class = "k" > if< / span > < span class = "n" > base< / span > < span class = "o" > !=< / span > < span class = "n" > new_class< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "c1" > # Locate OneToOneField instances.< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span > < span class = "n" > OneToOneField< / span > < span class = "p" > )< / span > < span class = "ow" > and< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > parent_link< / span > < span class = "p" > :< / span >
< span class = "n" > related< / span > < span class = "o" > =< / span > < span class = "n" > resolve_relation< / span > < span class = "p" > (< / span > < span class = "n" > new_class< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > model< / span > < span class = "p" > )< / span >
< span class = "n" > parent_links< / span > < span class = "p" > [< / span > < span class = "n" > make_model_tuple< / span > < span class = "p" > (< / span > < span class = "n" > related< / span > < span class = "p" > )]< / span > < span class = "o" > =< / span > < span class = "n" > field< / span >
< span class = "c1" > # Track fields inherited from base models.< / span >
< span class = "n" > inherited_attributes< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > ()< / span >
< span class = "c1" > # Do the appropriate setup for any model parents.< / span >
< span class = "k" > for< / span > < span class = "n" > base< / span > < span class = "ow" > in< / span > < span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > mro< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "n" > base< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > parents< / span > < span class = "ow" > or< / span > < span class = "ow" > not< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > base< / span > < span class = "p" > ,< / span > < span class = "s2" > " _meta" < / span > < span class = "p" > ):< / span >
< span class = "c1" > # Things without _meta aren' t functional models, so they' re< / span >
< span class = "c1" > # uninteresting parents.< / span >
< span class = "n" > inherited_attributes< / span > < span class = "o" > .< / span > < span class = "n" > update< / span > < span class = "p" > (< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "vm" > __dict__< / span > < span class = "p" > )< / span >
< span class = "k" > continue< / span >
< span class = "n" > parent_fields< / span > < span class = "o" > =< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "o" > +< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_many_to_many< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span > < span class = "p" > :< / span >
< span class = "c1" > # Check for clashes between locally declared fields and those< / span >
< span class = "c1" > # on the base classes.< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > parent_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > field_names< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "n" > FieldError< / span > < span class = "p" > (< / span >
< span class = "s2" > " Local field < / span > < span class = "si" > %r< / span > < span class = "s2" > in class < / span > < span class = "si" > %r< / span > < span class = "s2" > clashes with field of " < / span >
< span class = "s2" > " the same name from base class < / span > < span class = "si" > %r< / span > < span class = "s2" > ." < / span >
< span class = "o" > %< / span > < span class = "p" > (< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span >
< span class = "n" > name< / span > < span class = "p" > ,< / span >
< span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > inherited_attributes< / span > < span class = "o" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > )< / span >
< span class = "c1" > # Concrete classes...< / span >
< span class = "n" > base< / span > < span class = "o" > =< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_model< / span >
< span class = "n" > base_key< / span > < span class = "o" > =< / span > < span class = "n" > make_model_tuple< / span > < span class = "p" > (< / span > < span class = "n" > base< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > base_key< / span > < span class = "ow" > in< / span > < span class = "n" > parent_links< / span > < span class = "p" > :< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "n" > parent_links< / span > < span class = "p" > [< / span > < span class = "n" > base_key< / span > < span class = "p" > ]< / span >
< span class = "k" > elif< / span > < span class = "ow" > not< / span > < span class = "n" > is_proxy< / span > < span class = "p" > :< / span >
< span class = "n" > attr_name< / span > < span class = "o" > =< / span > < span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > _ptr" < / span > < span class = "o" > %< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > model_name< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "n" > OneToOneField< / span > < span class = "p" > (< / span >
< span class = "n" > base< / span > < span class = "p" > ,< / span >
< span class = "n" > on_delete< / span > < span class = "o" > =< / span > < span class = "n" > CASCADE< / span > < span class = "p" > ,< / span >
< span class = "n" > name< / span > < span class = "o" > =< / span > < span class = "n" > attr_name< / span > < span class = "p" > ,< / span >
< span class = "n" > auto_created< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > ,< / span >
< span class = "n" > parent_link< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > attr_name< / span > < span class = "ow" > in< / span > < span class = "n" > field_names< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "n" > FieldError< / span > < span class = "p" > (< / span >
< span class = "s2" > " Auto-generated field ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' in class < / span > < span class = "si" > %r< / span > < span class = "s2" > for " < / span >
< span class = "s2" > " parent_link to base class < / span > < span class = "si" > %r< / span > < span class = "s2" > clashes with " < / span >
< span class = "s2" > " declared field of the same name." < / span >
< span class = "o" > %< / span > < span class = "p" > (< / span >
< span class = "n" > attr_name< / span > < span class = "p" > ,< / span >
< span class = "n" > name< / span > < span class = "p" > ,< / span >
< span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "c1" > # Only add the ptr field if it' s not already present;< / span >
< span class = "c1" > # e.g. migrations will already have it specified< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > new_class< / span > < span class = "p" > ,< / span > < span class = "n" > attr_name< / span > < span class = "p" > ):< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > add_to_class< / span > < span class = "p" > (< / span > < span class = "n" > attr_name< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > parents< / span > < span class = "p" > [< / span > < span class = "n" > base< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > field< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > base_parents< / span > < span class = "o" > =< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > parents< / span > < span class = "o" > .< / span > < span class = "n" > copy< / span > < span class = "p" > ()< / span >
< span class = "c1" > # Add fields from abstract base class if it wasn' t overridden.< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > parent_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > field_names< / span >
< span class = "ow" > and< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "vm" > __dict__< / span >
< span class = "ow" > and< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > inherited_attributes< / span >
< span class = "p" > ):< / span >
< span class = "n" > new_field< / span > < span class = "o" > =< / span > < span class = "n" > copy< / span > < span class = "o" > .< / span > < span class = "n" > deepcopy< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > )< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > add_to_class< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > new_field< / span > < span class = "p" > )< / span >
< span class = "c1" > # Replace parent links defined on this base by the new< / span >
< span class = "c1" > # field. It will be appropriately resolved if required.< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > one_to_one< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > parent< / span > < span class = "p" > ,< / span > < span class = "n" > parent_link< / span > < span class = "ow" > in< / span > < span class = "n" > base_parents< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > ==< / span > < span class = "n" > parent_link< / span > < span class = "p" > :< / span >
< span class = "n" > base_parents< / span > < span class = "p" > [< / span > < span class = "n" > parent< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > new_field< / span >
< span class = "c1" > # Pass any non-abstract parent classes onto child.< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > parents< / span > < span class = "o" > .< / span > < span class = "n" > update< / span > < span class = "p" > (< / span > < span class = "n" > base_parents< / span > < span class = "p" > )< / span >
< span class = "c1" > # Inherit private fields (like GenericForeignKey) from the parent< / span >
< span class = "c1" > # class< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > private_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > field_names< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "n" > FieldError< / span > < span class = "p" > (< / span >
< span class = "s2" > " Local field < / span > < span class = "si" > %r< / span > < span class = "s2" > in class < / span > < span class = "si" > %r< / span > < span class = "s2" > clashes with field of " < / span >
< span class = "s2" > " the same name from base class < / span > < span class = "si" > %r< / span > < span class = "s2" > ." < / span >
< span class = "o" > %< / span > < span class = "p" > (< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span >
< span class = "n" > name< / span > < span class = "p" > ,< / span >
< span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "n" > copy< / span > < span class = "o" > .< / span > < span class = "n" > deepcopy< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > base< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span > < span class = "p" > :< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > mti_inherited< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > add_to_class< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "p" > )< / span >
< span class = "c1" > # Copy indexes so that index names are unique when models extend an< / span >
< span class = "c1" > # abstract model.< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > indexes< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "n" > copy< / span > < span class = "o" > .< / span > < span class = "n" > deepcopy< / span > < span class = "p" > (< / span > < span class = "n" > idx< / span > < span class = "p" > )< / span > < span class = "k" > for< / span > < span class = "n" > idx< / span > < span class = "ow" > in< / span > < span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > indexes< / span >
< span class = "p" > ]< / span >
< span class = "k" > if< / span > < span class = "n" > abstract< / span > < span class = "p" > :< / span >
< span class = "c1" > # Abstract base models can' t be instantiated and don' t appear in< / span >
< span class = "c1" > # the list of models for an app. We do the final setup for them a< / span >
< span class = "c1" > # little differently from normal models.< / span >
< span class = "n" > attr_meta< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > Meta< / span > < span class = "o" > =< / span > < span class = "n" > attr_meta< / span >
< span class = "k" > return< / span > < span class = "n" > new_class< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _prepare< / span > < span class = "p" > ()< / span >
< span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > apps< / span > < span class = "o" > .< / span > < span class = "n" > register_model< / span > < span class = "p" > (< / span > < span class = "n" > new_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > app_label< / span > < span class = "p" > ,< / span > < span class = "n" > new_class< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > new_class< / span >
< div class = "viewcode-block" id = "ModelBase.add_to_class" >
< a class = "viewcode-back" href = "../../../../api/evennia.typeclasses.models.html#evennia.typeclasses.models.ModelBase.add_to_class" > [docs]< / a >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > add_to_class< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > _has_contribute_to_class< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > ):< / span >
< span class = "n" > value< / span > < span class = "o" > .< / span > < span class = "n" > contribute_to_class< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > )< / span > < / div >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _prepare< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Create some methods once self._meta has been populated." " " < / span >
< span class = "n" > opts< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > _prepare< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > order_with_respect_to< / span > < span class = "p" > :< / span >
< span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > get_next_in_order< / span > < span class = "o" > =< / span > < span class = "n" > partialmethod< / span > < span class = "p" > (< / span >
< span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _get_next_or_previous_in_order< / span > < span class = "p" > ,< / span > < span class = "n" > is_next< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "p" > )< / span >
< span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > get_previous_in_order< / span > < span class = "o" > =< / span > < span class = "n" > partialmethod< / span > < span class = "p" > (< / span >
< span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _get_next_or_previous_in_order< / span > < span class = "p" > ,< / span > < span class = "n" > is_next< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span >
< span class = "p" > )< / span >
< span class = "c1" > # Defer creating accessors on the foreign class until it has been< / span >
< span class = "c1" > # created and registered. If remote_field is None, we' re ordering< / span >
< span class = "c1" > # with respect to a GenericForeignKey and don' t know what the< / span >
< span class = "c1" > # foreign class is - we' ll add those accessors later in< / span >
< span class = "c1" > # contribute_to_class().< / span >
< span class = "k" > if< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > order_with_respect_to< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "p" > :< / span >
< span class = "n" > wrt< / span > < span class = "o" > =< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > order_with_respect_to< / span >
< span class = "n" > remote< / span > < span class = "o" > =< / span > < span class = "n" > wrt< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > model< / span >
< span class = "n" > lazy_related_operation< / span > < span class = "p" > (< / span > < span class = "n" > make_foreign_order_accessors< / span > < span class = "p" > ,< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > remote< / span > < span class = "p" > )< / span >
< span class = "c1" > # Give the class a docstring -- its definition.< / span >
< span class = "k" > if< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "vm" > __doc__< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "vm" > __doc__< / span > < span class = "o" > =< / span > < span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > (< / span > < span class = "si" > %s< / span > < span class = "s2" > )" < / span > < span class = "o" > %< / span > < span class = "p" > (< / span >
< span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span > < span class = "p" > ,< / span >
< span class = "s2" > " , " < / span > < span class = "o" > .< / span > < span class = "n" > join< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > ),< / span >
< span class = "p" > )< / span >
< span class = "n" > get_absolute_url_override< / span > < span class = "o" > =< / span > < span class = "n" > settings< / span > < span class = "o" > .< / span > < span class = "n" > ABSOLUTE_URL_OVERRIDES< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span >
< span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > label_lower< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > get_absolute_url_override< / span > < span class = "p" > :< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "s2" > " get_absolute_url" < / span > < span class = "p" > ,< / span > < span class = "n" > get_absolute_url_override< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > managers< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "nb" > any< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "o" > ==< / span > < span class = "s2" > " objects" < / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > (< / span >
< span class = "s2" > " Model < / span > < span class = "si" > %s< / span > < span class = "s2" > must specify a custom Manager, because it has a " < / span >
< span class = "s2" > " field named ' objects' ." < / span > < span class = "o" > %< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span >
< span class = "p" > )< / span >
< span class = "n" > manager< / span > < span class = "o" > =< / span > < span class = "n" > Manager< / span > < span class = "p" > ()< / span >
< span class = "n" > manager< / span > < span class = "o" > .< / span > < span class = "n" > auto_created< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > add_to_class< / span > < span class = "p" > (< / span > < span class = "s2" > " objects" < / span > < span class = "p" > ,< / span > < span class = "n" > manager< / span > < span class = "p" > )< / span >
< span class = "c1" > # Set the name of _meta.indexes. This can' t be done in< / span >
< span class = "c1" > # Options.contribute_to_class() because fields haven' t been added to< / span >
< span class = "c1" > # the model at that point.< / span >
< span class = "k" > for< / span > < span class = "n" > index< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > indexes< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > :< / span >
< span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > set_name_with_model< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > )< / span >
< span class = "n" > class_prepared< / span > < span class = "o" > .< / span > < span class = "n" > send< / span > < span class = "p" > (< / span > < span class = "n" > sender< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > )< / span >
< span class = "nd" > @property< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _base_manager< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > base_manager< / span >
< span class = "nd" > @property< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _default_manager< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > default_manager< / span > < / div >
< span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > ModelStateFieldsCacheDescriptor< / span > < span class = "p" > :< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "fm" > __get__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > instance< / span > < span class = "p" > ,< / span > < span class = "bp" > cls< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > instance< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "bp" > self< / span >
< span class = "n" > res< / span > < span class = "o" > =< / span > < span class = "n" > instance< / span > < span class = "o" > .< / span > < span class = "n" > fields_cache< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > return< / span > < span class = "n" > res< / span >
< span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > ModelState< / span > < span class = "p" > :< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Store model instance state." " " < / span >
< span class = "n" > db< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "c1" > # If true, uniqueness validation checks will consider this a new, unsaved< / span >
< span class = "c1" > # object. Necessary for correct validation of new instances of objects with< / span >
< span class = "c1" > # explicit (non-auto) PKs. This impacts validation only; it has no effect< / span >
< span class = "c1" > # on the actual save.< / span >
< span class = "n" > adding< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "n" > fields_cache< / span > < span class = "o" > =< / span > < span class = "n" > ModelStateFieldsCacheDescriptor< / span > < span class = "p" > ()< / span >
< span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > Model< / span > < span class = "p" > (< / span > < span class = "n" > AltersData< / span > < span class = "p" > ,< / span > < span class = "n" > metaclass< / span > < span class = "o" > =< / span > < span class = "n" > ModelBase< / span > < span class = "p" > ):< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "fm" > __init__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "o" > *< / span > < span class = "n" > args< / span > < span class = "p" > ,< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ):< / span >
< span class = "c1" > # Alias some things as locals to avoid repeat global lookups< / span >
< span class = "bp" > cls< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span >
< span class = "n" > opts< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "n" > _setattr< / span > < span class = "o" > =< / span > < span class = "nb" > setattr< / span >
< span class = "n" > _DEFERRED< / span > < span class = "o" > =< / span > < span class = "n" > DEFERRED< / span >
< span class = "k" > if< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span > < span class = "s2" > " Abstract models cannot be instantiated." < / span > < span class = "p" > )< / span >
< span class = "n" > pre_init< / span > < span class = "o" > .< / span > < span class = "n" > send< / span > < span class = "p" > (< / span > < span class = "n" > sender< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > args< / span > < span class = "o" > =< / span > < span class = "n" > args< / span > < span class = "p" > ,< / span > < span class = "n" > kwargs< / span > < span class = "o" > =< / span > < span class = "n" > kwargs< / span > < span class = "p" > )< / span >
< span class = "c1" > # Set up the storage for instance state< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > =< / span > < span class = "n" > ModelState< / span > < span class = "p" > ()< / span >
< span class = "c1" > # There is a rather weird disparity here; if kwargs, it' s set, then args< / span >
< span class = "c1" > # overrides it. It should be one or the other; don' t duplicate the work< / span >
< span class = "c1" > # The reason for the kwargs check is that standard iterator passes in by< / span >
< span class = "c1" > # args, and instantiation for iteration is 33% faster.< / span >
< span class = "k" > if< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > args< / span > < span class = "p" > )< / span > < span class = "o" > > < / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > concrete_fields< / span > < span class = "p" > ):< / span >
< span class = "c1" > # Daft, but matches old exception sans the err msg.< / span >
< span class = "k" > raise< / span > < span class = "ne" > IndexError< / span > < span class = "p" > (< / span > < span class = "s2" > " Number of args exceeds number of fields" < / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > kwargs< / span > < span class = "p" > :< / span >
< span class = "n" > fields_iter< / span > < span class = "o" > =< / span > < span class = "nb" > iter< / span > < span class = "p" > (< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > concrete_fields< / span > < span class = "p" > )< / span >
< span class = "c1" > # The ordering of the zip calls matter - zip throws StopIteration< / span >
< span class = "c1" > # when an iter throws it. So if the first iter throws it, the second< / span >
< span class = "c1" > # is *not* consumed. We rely on this, so don' t change the order< / span >
< span class = "c1" > # without changing the logic.< / span >
< span class = "k" > for< / span > < span class = "n" > val< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "nb" > zip< / span > < span class = "p" > (< / span > < span class = "n" > args< / span > < span class = "p" > ,< / span > < span class = "n" > fields_iter< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > val< / span > < span class = "ow" > is< / span > < span class = "n" > _DEFERRED< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "n" > _setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "c1" > # Slower, kwargs-ready version.< / span >
< span class = "n" > fields_iter< / span > < span class = "o" > =< / span > < span class = "nb" > iter< / span > < span class = "p" > (< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > val< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "nb" > zip< / span > < span class = "p" > (< / span > < span class = "n" > args< / span > < span class = "p" > ,< / span > < span class = "n" > fields_iter< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > val< / span > < span class = "ow" > is< / span > < span class = "n" > _DEFERRED< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "n" > _setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > kwargs< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > NOT_PROVIDED< / span > < span class = "p" > )< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "n" > NOT_PROVIDED< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "vm" > __qualname__< / span > < span class = "si" > }< / span > < span class = "s2" > () got both positional and " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " keyword arguments for field ' < / span > < span class = "si" > {< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "si" > }< / span > < span class = "s2" > ' ." < / span >
< span class = "p" > )< / span >
< span class = "c1" > # Now we' re left with the unprocessed fields that *must* come from< / span >
< span class = "c1" > # keywords, or default.< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > fields_iter< / span > < span class = "p" > :< / span >
< span class = "n" > is_related_object< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span >
< span class = "c1" > # Virtual field< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > column< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "ow" > or< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > generated< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "k" > if< / span > < span class = "n" > kwargs< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "p" > ,< / span > < span class = "n" > ForeignObjectRel< / span > < span class = "p" > ):< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "c1" > # Assume object instance was passed in.< / span >
< span class = "n" > rel_obj< / span > < span class = "o" > =< / span > < span class = "n" > kwargs< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > )< / span >
< span class = "n" > is_related_object< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "k" > except< / span > < span class = "ne" > KeyError< / span > < span class = "p" > :< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "c1" > # Object instance wasn' t passed in -- must be an ID.< / span >
< span class = "n" > val< / span > < span class = "o" > =< / span > < span class = "n" > kwargs< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "ne" > KeyError< / span > < span class = "p" > :< / span >
< span class = "n" > val< / span > < span class = "o" > =< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > get_default< / span > < span class = "p" > ()< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > val< / span > < span class = "o" > =< / span > < span class = "n" > kwargs< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "ne" > KeyError< / span > < span class = "p" > :< / span >
< span class = "c1" > # This is done with an exception rather than the< / span >
< span class = "c1" > # default argument on pop because we don' t want< / span >
< span class = "c1" > # get_default() to be evaluated, and then not used.< / span >
< span class = "c1" > # Refs #12057.< / span >
< span class = "n" > val< / span > < span class = "o" > =< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > get_default< / span > < span class = "p" > ()< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > val< / span > < span class = "o" > =< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > get_default< / span > < span class = "p" > ()< / span >
< span class = "k" > if< / span > < span class = "n" > is_related_object< / span > < span class = "p" > :< / span >
< span class = "c1" > # If we are passed a related instance, set it using the< / span >
< span class = "c1" > # field.name instead of field.attname (e.g. " user" instead of< / span >
< span class = "c1" > # " user_id" ) so that the object gets properly cached (and type< / span >
< span class = "c1" > # checked) by the RelatedObjectDescriptor.< / span >
< span class = "k" > if< / span > < span class = "n" > rel_obj< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "n" > _DEFERRED< / span > < span class = "p" > :< / span >
< span class = "n" > _setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > rel_obj< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > val< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "n" > _DEFERRED< / span > < span class = "p" > :< / span >
< span class = "n" > _setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > kwargs< / span > < span class = "p" > :< / span >
< span class = "n" > property_names< / span > < span class = "o" > =< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > _property_names< / span >
< span class = "n" > unexpected< / span > < span class = "o" > =< / span > < span class = "p" > ()< / span >
< span class = "k" > for< / span > < span class = "n" > prop< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "ow" > in< / span > < span class = "n" > kwargs< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ():< / span >
< span class = "c1" > # Any remaining kwargs must correspond to properties or virtual< / span >
< span class = "c1" > # fields.< / span >
< span class = "k" > if< / span > < span class = "n" > prop< / span > < span class = "ow" > in< / span > < span class = "n" > property_names< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > value< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "n" > _DEFERRED< / span > < span class = "p" > :< / span >
< span class = "n" > _setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > prop< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > get_field< / span > < span class = "p" > (< / span > < span class = "n" > prop< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "n" > FieldDoesNotExist< / span > < span class = "p" > :< / span >
< span class = "n" > unexpected< / span > < span class = "o" > +=< / span > < span class = "p" > (< / span > < span class = "n" > prop< / span > < span class = "p" > ,)< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > value< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "n" > _DEFERRED< / span > < span class = "p" > :< / span >
< span class = "n" > _setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > prop< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > unexpected< / span > < span class = "p" > :< / span >
< span class = "n" > unexpected_names< / span > < span class = "o" > =< / span > < span class = "s2" > " , " < / span > < span class = "o" > .< / span > < span class = "n" > join< / span > < span class = "p" > (< / span > < span class = "nb" > repr< / span > < span class = "p" > (< / span > < span class = "n" > n< / span > < span class = "p" > )< / span > < span class = "k" > for< / span > < span class = "n" > n< / span > < span class = "ow" > in< / span > < span class = "n" > unexpected< / span > < span class = "p" > )< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span > < span class = "si" > }< / span > < span class = "s2" > () got unexpected keyword arguments: " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > unexpected_names< / span > < span class = "si" > }< / span > < span class = "s2" > " < / span >
< span class = "p" > )< / span >
< span class = "nb" > super< / span > < span class = "p" > ()< / span > < span class = "o" > .< / span > < span class = "fm" > __init__< / span > < span class = "p" > ()< / span >
< span class = "n" > post_init< / span > < span class = "o" > .< / span > < span class = "n" > send< / span > < span class = "p" > (< / span > < span class = "n" > sender< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > instance< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > from_db< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > db< / span > < span class = "p" > ,< / span > < span class = "n" > field_names< / span > < span class = "p" > ,< / span > < span class = "n" > values< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > values< / span > < span class = "p" > )< / span > < span class = "o" > !=< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_fields< / span > < span class = "p" > ):< / span >
< span class = "n" > values_iter< / span > < span class = "o" > =< / span > < span class = "nb" > iter< / span > < span class = "p" > (< / span > < span class = "n" > values< / span > < span class = "p" > )< / span >
< span class = "n" > values< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "nb" > next< / span > < span class = "p" > (< / span > < span class = "n" > values_iter< / span > < span class = "p" > )< / span > < span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "ow" > in< / span > < span class = "n" > field_names< / span > < span class = "k" > else< / span > < span class = "n" > DEFERRED< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_fields< / span >
< span class = "p" > ]< / span >
< span class = "n" > new< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > values< / span > < span class = "p" > )< / span >
< span class = "n" > new< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > adding< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span >
< span class = "n" > new< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > db< / span > < span class = "o" > =< / span > < span class = "n" > db< / span >
< span class = "k" > return< / span > < span class = "n" > new< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "fm" > __repr__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "s2" > " < < / span > < span class = "si" > %s< / span > < span class = "s2" > : < / span > < span class = "si" > %s< / span > < span class = "s2" > > " < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "fm" > __str__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > object (< / span > < span class = "si" > %s< / span > < span class = "s2" > )" < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "fm" > __eq__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > other< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > other< / span > < span class = "p" > ,< / span > < span class = "n" > Model< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "bp" > NotImplemented< / span >
< span class = "k" > if< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_model< / span > < span class = "o" > !=< / span > < span class = "n" > other< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_model< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "kc" > False< / span >
< span class = "n" > my_pk< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span >
< span class = "k" > if< / span > < span class = "n" > my_pk< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "bp" > self< / span > < span class = "ow" > is< / span > < span class = "n" > other< / span >
< span class = "k" > return< / span > < span class = "n" > my_pk< / span > < span class = "o" > ==< / span > < span class = "n" > other< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "fm" > __hash__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _is_pk_set< / span > < span class = "p" > ():< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span > < span class = "s2" > " Model instances without primary key value are unhashable" < / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "nb" > hash< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > __reduce__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "n" > data< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > __getstate__< / span > < span class = "p" > ()< / span >
< span class = "n" > data< / span > < span class = "p" > [< / span > < span class = "n" > DJANGO_VERSION_PICKLE_KEY< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > django< / span > < span class = "o" > .< / span > < span class = "n" > __version__< / span >
< span class = "n" > class_id< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > app_label< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > object_name< / span >
< span class = "k" > return< / span > < span class = "n" > model_unpickle< / span > < span class = "p" > ,< / span > < span class = "p" > (< / span > < span class = "n" > class_id< / span > < span class = "p" > ,),< / span > < span class = "n" > data< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > __getstate__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Hook to allow choosing the attributes to pickle." " " < / span >
< span class = "n" > state< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __dict__< / span > < span class = "o" > .< / span > < span class = "n" > copy< / span > < span class = "p" > ()< / span >
< span class = "n" > state< / span > < span class = "p" > [< / span > < span class = "s2" > " _state" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > copy< / span > < span class = "o" > .< / span > < span class = "n" > copy< / span > < span class = "p" > (< / span > < span class = "n" > state< / span > < span class = "p" > [< / span > < span class = "s2" > " _state" < / span > < span class = "p" > ])< / span >
< span class = "n" > state< / span > < span class = "p" > [< / span > < span class = "s2" > " _state" < / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > fields_cache< / span > < span class = "o" > =< / span > < span class = "n" > state< / span > < span class = "p" > [< / span > < span class = "s2" > " _state" < / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > fields_cache< / span > < span class = "o" > .< / span > < span class = "n" > copy< / span > < span class = "p" > ()< / span >
< span class = "c1" > # memoryview cannot be pickled, so cast it to bytes and store< / span >
< span class = "c1" > # separately.< / span >
< span class = "n" > _memoryview_attrs< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > attr< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "ow" > in< / span > < span class = "n" > state< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > ,< / span > < span class = "nb" > memoryview< / span > < span class = "p" > ):< / span >
< span class = "n" > _memoryview_attrs< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > ((< / span > < span class = "n" > attr< / span > < span class = "p" > ,< / span > < span class = "nb" > bytes< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > )))< / span >
< span class = "k" > if< / span > < span class = "n" > _memoryview_attrs< / span > < span class = "p" > :< / span >
< span class = "n" > state< / span > < span class = "p" > [< / span > < span class = "s2" > " _memoryview_attrs" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > _memoryview_attrs< / span >
< span class = "k" > for< / span > < span class = "n" > attr< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "ow" > in< / span > < span class = "n" > _memoryview_attrs< / span > < span class = "p" > :< / span >
< span class = "n" > state< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "n" > attr< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > state< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > __setstate__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > state< / span > < span class = "p" > ):< / span >
< span class = "n" > pickled_version< / span > < span class = "o" > =< / span > < span class = "n" > state< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > DJANGO_VERSION_PICKLE_KEY< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > pickled_version< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > pickled_version< / span > < span class = "o" > !=< / span > < span class = "n" > django< / span > < span class = "o" > .< / span > < span class = "n" > __version__< / span > < span class = "p" > :< / span >
< span class = "n" > warnings< / span > < span class = "o" > .< / span > < span class = "n" > warn< / span > < span class = "p" > (< / span >
< span class = "s2" > " Pickled model instance' s Django version < / span > < span class = "si" > %s< / span > < span class = "s2" > does not " < / span >
< span class = "s2" > " match the current version < / span > < span class = "si" > %s< / span > < span class = "s2" > ." < / span >
< span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > pickled_version< / span > < span class = "p" > ,< / span > < span class = "n" > django< / span > < span class = "o" > .< / span > < span class = "n" > __version__< / span > < span class = "p" > ),< / span >
< span class = "ne" > RuntimeWarning< / span > < span class = "p" > ,< / span >
< span class = "n" > stacklevel< / span > < span class = "o" > =< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > warnings< / span > < span class = "o" > .< / span > < span class = "n" > warn< / span > < span class = "p" > (< / span >
< span class = "s2" > " Pickled model instance' s Django version is not specified." < / span > < span class = "p" > ,< / span >
< span class = "ne" > RuntimeWarning< / span > < span class = "p" > ,< / span >
< span class = "n" > stacklevel< / span > < span class = "o" > =< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "s2" > " _memoryview_attrs" < / span > < span class = "ow" > in< / span > < span class = "n" > state< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > attr< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "ow" > in< / span > < span class = "n" > state< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "s2" > " _memoryview_attrs" < / span > < span class = "p" > ):< / span >
< span class = "n" > state< / span > < span class = "p" > [< / span > < span class = "n" > attr< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "nb" > memoryview< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __dict__< / span > < span class = "o" > .< / span > < span class = "n" > update< / span > < span class = "p" > (< / span > < span class = "n" > state< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _get_pk_val< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > meta< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "n" > meta< / span > < span class = "o" > =< / span > < span class = "n" > meta< / span > < span class = "ow" > or< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "k" > return< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _set_pk_val< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > ):< / span >
< span class = "k" > for< / span > < span class = "n" > parent_link< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > parents< / span > < span class = "o" > .< / span > < span class = "n" > values< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "n" > parent_link< / span > < span class = "ow" > and< / span > < span class = "n" > parent_link< / span > < span class = "o" > !=< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "p" > :< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > parent_link< / span > < span class = "o" > .< / span > < span class = "n" > target_field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< span class = "n" > pk< / span > < span class = "o" > =< / span > < span class = "nb" > property< / span > < span class = "p" > (< / span > < span class = "n" > _get_pk_val< / span > < span class = "p" > ,< / span > < span class = "n" > _set_pk_val< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _is_pk_set< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > meta< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "n" > pk_val< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _get_pk_val< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "ow" > not< / span > < span class = "p" > (< / span >
< span class = "n" > pk_val< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span >
< span class = "ow" > or< / span > < span class = "p" > (< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > pk_val< / span > < span class = "p" > ,< / span > < span class = "nb" > tuple< / span > < span class = "p" > )< / span > < span class = "ow" > and< / span > < span class = "nb" > any< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > pk_val< / span > < span class = "p" > ))< / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > get_deferred_fields< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Return a set containing names of deferred fields for this instance.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > return< / span > < span class = "p" > {< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_fields< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __dict__< / span >
< span class = "p" > }< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > refresh_from_db< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span > < span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span > < span class = "n" > from_queryset< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Reload field values from the database.< / span >
< span class = "sd" > By default, the reloading happens from the database this instance was< / span >
< span class = "sd" > loaded from, or by the read router if this instance wasn' t loaded from< / span >
< span class = "sd" > any database. The using parameter will override the default.< / span >
< span class = "sd" > Fields can be used to specify which fields to reload. The fields< / span >
< span class = "sd" > should be an iterable of field attnames. If fields is None, then< / span >
< span class = "sd" > all non-deferred fields are reloaded.< / span >
< span class = "sd" > When accessing deferred fields of an instance, the deferred loading< / span >
< span class = "sd" > of the field will call this method.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > if< / span > < span class = "n" > fields< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _prefetched_objects_cache< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > prefetched_objects_cache< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "s2" > " _prefetched_objects_cache" < / span > < span class = "p" > ,< / span > < span class = "p" > ())< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > (< / span > < span class = "n" > fields< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "o" > .< / span > < span class = "n" > copy< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > prefetched_objects_cache< / span > < span class = "p" > :< / span >
< span class = "k" > del< / span > < span class = "n" > prefetched_objects_cache< / span > < span class = "p" > [< / span > < span class = "n" > field< / span > < span class = "p" > ]< / span >
< span class = "n" > fields< / span > < span class = "o" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > fields< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span >
< span class = "k" > if< / span > < span class = "nb" > any< / span > < span class = "p" > (< / span > < span class = "n" > LOOKUP_SEP< / span > < span class = "ow" > in< / span > < span class = "n" > f< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > (< / span >
< span class = "s1" > ' Found " < / span > < span class = "si" > %s< / span > < span class = "s1" > " in fields argument. Relations and transforms ' < / span >
< span class = "s2" > " are not allowed in fields." < / span > < span class = "o" > %< / span > < span class = "n" > LOOKUP_SEP< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > from_queryset< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > hints< / span > < span class = "o" > =< / span > < span class = "p" > {< / span > < span class = "s2" > " instance" < / span > < span class = "p" > :< / span > < span class = "bp" > self< / span > < span class = "p" > }< / span >
< span class = "n" > from_queryset< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "o" > .< / span > < span class = "n" > _base_manager< / span > < span class = "o" > .< / span > < span class = "n" > db_manager< / span > < span class = "p" > (< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > hints< / span > < span class = "o" > =< / span > < span class = "n" > hints< / span > < span class = "p" > )< / span >
< span class = "k" > elif< / span > < span class = "n" > using< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > from_queryset< / span > < span class = "o" > =< / span > < span class = "n" > from_queryset< / span > < span class = "o" > .< / span > < span class = "n" > using< / span > < span class = "p" > (< / span > < span class = "n" > using< / span > < span class = "p" > )< / span >
< span class = "n" > db_instance_qs< / span > < span class = "o" > =< / span > < span class = "n" > from_queryset< / span > < span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span > < span class = "n" > pk< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "p" > )< / span >
< span class = "c1" > # Use provided fields, if not set then reload all non-deferred fields.< / span >
< span class = "n" > deferred_fields< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > get_deferred_fields< / span > < span class = "p" > ()< / span >
< span class = "k" > if< / span > < span class = "n" > fields< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > db_instance_qs< / span > < span class = "o" > =< / span > < span class = "n" > db_instance_qs< / span > < span class = "o" > .< / span > < span class = "n" > only< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > fields< / span > < span class = "p" > )< / span >
< span class = "k" > elif< / span > < span class = "n" > deferred_fields< / span > < span class = "p" > :< / span >
< span class = "n" > db_instance_qs< / span > < span class = "o" > =< / span > < span class = "n" > db_instance_qs< / span > < span class = "o" > .< / span > < span class = "n" > only< / span > < span class = "p" > (< / span >
< span class = "o" > *< / span > < span class = "p" > {< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_fields< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > deferred_fields< / span >
< span class = "p" > }< / span >
< span class = "p" > )< / span >
< span class = "n" > db_instance< / span > < span class = "o" > =< / span > < span class = "n" > db_instance_qs< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > ()< / span >
< span class = "n" > non_loaded_fields< / span > < span class = "o" > =< / span > < span class = "n" > db_instance< / span > < span class = "o" > .< / span > < span class = "n" > get_deferred_fields< / span > < span class = "p" > ()< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "ow" > in< / span > < span class = "n" > non_loaded_fields< / span > < span class = "p" > :< / span >
< span class = "c1" > # This field wasn' t refreshed - skip ahead.< / span >
< span class = "k" > continue< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "n" > db_instance< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ))< / span >
< span class = "c1" > # Clear or copy cached foreign keys.< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > is_relation< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > is_cached< / span > < span class = "p" > (< / span > < span class = "n" > db_instance< / span > < span class = "p" > ):< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > set_cached_value< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > get_cached_value< / span > < span class = "p" > (< / span > < span class = "n" > db_instance< / span > < span class = "p" > ))< / span >
< span class = "k" > elif< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > is_cached< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > delete_cached_value< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "c1" > # Clear cached relations.< / span >
< span class = "k" > for< / span > < span class = "n" > rel< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > related_objects< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > fields< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "ow" > or< / span > < span class = "n" > rel< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "p" > )< / span > < span class = "ow" > and< / span > < span class = "n" > rel< / span > < span class = "o" > .< / span > < span class = "n" > is_cached< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "n" > rel< / span > < span class = "o" > .< / span > < span class = "n" > delete_cached_value< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "c1" > # Clear cached private relations.< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > private_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span >
< span class = "p" > (< / span > < span class = "n" > fields< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "ow" > or< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "p" > )< / span >
< span class = "ow" > and< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > is_relation< / span >
< span class = "ow" > and< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > is_cached< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "p" > ):< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > delete_cached_value< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > db< / span > < span class = "o" > =< / span > < span class = "n" > db_instance< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > db< / span >
< span class = "k" > async< / span > < span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > arefresh_from_db< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span > < span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span > < span class = "n" > from_queryset< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "k" > await< / span > < span class = "n" > sync_to_async< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > refresh_from_db< / span > < span class = "p" > )(< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "n" > fields< / span > < span class = "p" > ,< / span > < span class = "n" > from_queryset< / span > < span class = "o" > =< / span > < span class = "n" > from_queryset< / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > serializable_value< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field_name< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Return the value of the field name for this instance. If the field is< / span >
< span class = "sd" > a foreign key, return the id value instead of the object. If there' s< / span >
< span class = "sd" > no Field object with this name on the model, return the model< / span >
< span class = "sd" > attribute' s value.< / span >
< span class = "sd" > Used to serialize a field' s value (in the serializer, or form output,< / span >
< span class = "sd" > for example). Normally, you would just access the attribute directly< / span >
< span class = "sd" > and not use this method.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > get_field< / span > < span class = "p" > (< / span > < span class = "n" > field_name< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "n" > FieldDoesNotExist< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field_name< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "c1" > # RemovedInDjango60Warning: When the deprecation ends, remove completely.< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _parse_save_params< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "o" > *< / span > < span class = "n" > args< / span > < span class = "p" > ,< / span > < span class = "n" > method_name< / span > < span class = "p" > ,< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ):< / span >
< span class = "n" > defaults< / span > < span class = "o" > =< / span > < span class = "p" > {< / span >
< span class = "s2" > " force_insert" < / span > < span class = "p" > :< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "s2" > " force_update" < / span > < span class = "p" > :< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "s2" > " using" < / span > < span class = "p" > :< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "s2" > " update_fields" < / span > < span class = "p" > :< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "p" > }< / span >
< span class = "n" > warnings< / span > < span class = "o" > .< / span > < span class = "n" > warn< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " Passing positional arguments to < / span > < span class = "si" > {< / span > < span class = "n" > method_name< / span > < span class = "si" > }< / span > < span class = "s2" > () is deprecated" < / span > < span class = "p" > ,< / span >
< span class = "n" > RemovedInDjango60Warning< / span > < span class = "p" > ,< / span >
< span class = "n" > stacklevel< / span > < span class = "o" > =< / span > < span class = "mi" > 3< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "n" > total_len_args< / span > < span class = "o" > =< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > args< / span > < span class = "p" > )< / span > < span class = "o" > +< / span > < span class = "mi" > 1< / span > < span class = "c1" > # include self< / span >
< span class = "n" > max_len_args< / span > < span class = "o" > =< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > defaults< / span > < span class = "p" > )< / span > < span class = "o" > +< / span > < span class = "mi" > 1< / span >
< span class = "k" > if< / span > < span class = "n" > total_len_args< / span > < span class = "o" > > < / span > < span class = "n" > max_len_args< / span > < span class = "p" > :< / span >
< span class = "c1" > # Recreate the proper TypeError message from Python.< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " Model.< / span > < span class = "si" > {< / span > < span class = "n" > method_name< / span > < span class = "si" > }< / span > < span class = "s2" > () takes from 1 to < / span > < span class = "si" > {< / span > < span class = "n" > max_len_args< / span > < span class = "si" > }< / span > < span class = "s2" > positional " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " arguments but < / span > < span class = "si" > {< / span > < span class = "n" > total_len_args< / span > < span class = "si" > }< / span > < span class = "s2" > were given" < / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > get_param< / span > < span class = "p" > (< / span > < span class = "n" > param_name< / span > < span class = "p" > ,< / span > < span class = "n" > param_value< / span > < span class = "p" > ,< / span > < span class = "n" > arg_index< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > arg_index< / span > < span class = "o" > < < / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > args< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > param_value< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "n" > defaults< / span > < span class = "p" > [< / span > < span class = "n" > param_name< / span > < span class = "p" > ]:< / span >
< span class = "c1" > # Recreate the proper TypeError message from Python.< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " Model.< / span > < span class = "si" > {< / span > < span class = "n" > method_name< / span > < span class = "si" > }< / span > < span class = "s2" > () got multiple values for argument " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " ' < / span > < span class = "si" > {< / span > < span class = "n" > param_name< / span > < span class = "si" > }< / span > < span class = "s2" > ' " < / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > args< / span > < span class = "p" > [< / span > < span class = "n" > arg_index< / span > < span class = "p" > ]< / span >
< span class = "k" > return< / span > < span class = "n" > param_value< / span >
< span class = "k" > return< / span > < span class = "p" > [< / span > < span class = "n" > get_param< / span > < span class = "p" > (< / span > < span class = "n" > k< / span > < span class = "p" > ,< / span > < span class = "n" > v< / span > < span class = "p" > ,< / span > < span class = "n" > i< / span > < span class = "p" > )< / span > < span class = "k" > for< / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "p" > (< / span > < span class = "n" > k< / span > < span class = "p" > ,< / span > < span class = "n" > v< / span > < span class = "p" > )< / span > < span class = "ow" > in< / span > < span class = "nb" > enumerate< / span > < span class = "p" > (< / span > < span class = "n" > kwargs< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ())]< / span >
< span class = "c1" > # RemovedInDjango60Warning: When the deprecation ends, replace with:< / span >
< span class = "c1" > # def save(< / span >
< span class = "c1" > # self, *, force_insert=False, force_update=False, using=None, update_fields=None,< / span >
< span class = "c1" > # ):< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > save< / span > < span class = "p" > (< / span >
< span class = "bp" > self< / span > < span class = "p" > ,< / span >
< span class = "o" > *< / span > < span class = "n" > args< / span > < span class = "p" > ,< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "n" > force_update< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Save the current instance. Override this in a subclass if you want to< / span >
< span class = "sd" > control the saving process.< / span >
< span class = "sd" > The ' force_insert' and ' force_update' parameters can be used to insist< / span >
< span class = "sd" > that the " save" must be an SQL insert or update (or equivalent for< / span >
< span class = "sd" > non-SQL backends), respectively. Normally, they should not be set.< / span >
< span class = "sd" > " " " < / span >
< span class = "c1" > # RemovedInDjango60Warning.< / span >
< span class = "k" > if< / span > < span class = "n" > args< / span > < span class = "p" > :< / span >
< span class = "n" > force_insert< / span > < span class = "p" > ,< / span > < span class = "n" > force_update< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _parse_save_params< / span > < span class = "p" > (< / span >
< span class = "o" > *< / span > < span class = "n" > args< / span > < span class = "p" > ,< / span >
< span class = "n" > method_name< / span > < span class = "o" > =< / span > < span class = "s2" > " save" < / span > < span class = "p" > ,< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "n" > force_insert< / span > < span class = "p" > ,< / span >
< span class = "n" > force_update< / span > < span class = "o" > =< / span > < span class = "n" > force_update< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _prepare_related_fields_for_save< / span > < span class = "p" > (< / span > < span class = "n" > operation_name< / span > < span class = "o" > =< / span > < span class = "s2" > " save" < / span > < span class = "p" > )< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "ow" > or< / span > < span class = "n" > router< / span > < span class = "o" > .< / span > < span class = "n" > db_for_write< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "p" > ,< / span > < span class = "n" > instance< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > force_insert< / span > < span class = "ow" > and< / span > < span class = "p" > (< / span > < span class = "n" > force_update< / span > < span class = "ow" > or< / span > < span class = "n" > update_fields< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > (< / span > < span class = "s2" > " Cannot force both insert and updating in model saving." < / span > < span class = "p" > )< / span >
< span class = "n" > deferred_non_generated_fields< / span > < span class = "o" > =< / span > < span class = "p" > {< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_fields< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __dict__< / span > < span class = "ow" > and< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > generated< / span > < span class = "ow" > is< / span > < span class = "kc" > False< / span >
< span class = "p" > }< / span >
< span class = "k" > if< / span > < span class = "n" > update_fields< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "c1" > # If update_fields is empty, skip the save. We do also check for< / span >
< span class = "c1" > # no-op saves later on for inheritance cases. This bailout is< / span >
< span class = "c1" > # still needed for skipping signal sending.< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > update_fields< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "nb" > frozenset< / span > < span class = "p" > (< / span > < span class = "n" > update_fields< / span > < span class = "p" > )< / span >
< span class = "n" > field_names< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > _non_pk_concrete_field_names< / span >
< span class = "n" > not_updatable_fields< / span > < span class = "o" > =< / span > < span class = "n" > update_fields< / span > < span class = "o" > .< / span > < span class = "n" > difference< / span > < span class = "p" > (< / span > < span class = "n" > field_names< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > not_updatable_fields< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > (< / span >
< span class = "s2" > " The following fields do not exist in this model, are m2m " < / span >
< span class = "s2" > " fields, primary keys, or are non-concrete fields: < / span > < span class = "si" > %s< / span > < span class = "s2" > " < / span >
< span class = "o" > %< / span > < span class = "s2" > " , " < / span > < span class = "o" > .< / span > < span class = "n" > join< / span > < span class = "p" > (< / span > < span class = "n" > not_updatable_fields< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "c1" > # If saving to the same database, and this model is deferred, then< / span >
< span class = "c1" > # automatically do an " update_fields" save on the loaded fields.< / span >
< span class = "k" > elif< / span > < span class = "p" > (< / span >
< span class = "ow" > not< / span > < span class = "n" > force_insert< / span >
< span class = "ow" > and< / span > < span class = "n" > deferred_non_generated_fields< / span >
< span class = "ow" > and< / span > < span class = "n" > using< / span > < span class = "o" > ==< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > db< / span >
< span class = "p" > ):< / span >
< span class = "n" > field_names< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > ()< / span >
< span class = "n" > pk_fields< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk_fields< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > pk_fields< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span > < span class = "s2" > " through" < / span > < span class = "p" > ):< / span >
< span class = "n" > field_names< / span > < span class = "o" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "n" > loaded_fields< / span > < span class = "o" > =< / span > < span class = "n" > field_names< / span > < span class = "o" > .< / span > < span class = "n" > difference< / span > < span class = "p" > (< / span > < span class = "n" > deferred_non_generated_fields< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > loaded_fields< / span > < span class = "p" > :< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "nb" > frozenset< / span > < span class = "p" > (< / span > < span class = "n" > loaded_fields< / span > < span class = "p" > )< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > save_base< / span > < span class = "p" > (< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "n" > force_insert< / span > < span class = "p" > ,< / span >
< span class = "n" > force_update< / span > < span class = "o" > =< / span > < span class = "n" > force_update< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "n" > save< / span > < span class = "o" > .< / span > < span class = "n" > alters_data< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "c1" > # RemovedInDjango60Warning: When the deprecation ends, replace with:< / span >
< span class = "c1" > # async def asave(< / span >
< span class = "c1" > # self, *, force_insert=False, force_update=False, using=None, update_fields=None,< / span >
< span class = "c1" > # ):< / span >
< span class = "k" > async< / span > < span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > asave< / span > < span class = "p" > (< / span >
< span class = "bp" > self< / span > < span class = "p" > ,< / span >
< span class = "o" > *< / span > < span class = "n" > args< / span > < span class = "p" > ,< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "n" > force_update< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "p" > ):< / span >
< span class = "c1" > # RemovedInDjango60Warning.< / span >
< span class = "k" > if< / span > < span class = "n" > args< / span > < span class = "p" > :< / span >
< span class = "n" > force_insert< / span > < span class = "p" > ,< / span > < span class = "n" > force_update< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _parse_save_params< / span > < span class = "p" > (< / span >
< span class = "o" > *< / span > < span class = "n" > args< / span > < span class = "p" > ,< / span >
< span class = "n" > method_name< / span > < span class = "o" > =< / span > < span class = "s2" > " asave" < / span > < span class = "p" > ,< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "n" > force_insert< / span > < span class = "p" > ,< / span >
< span class = "n" > force_update< / span > < span class = "o" > =< / span > < span class = "n" > force_update< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "k" > await< / span > < span class = "n" > sync_to_async< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > save< / span > < span class = "p" > )(< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "n" > force_insert< / span > < span class = "p" > ,< / span >
< span class = "n" > force_update< / span > < span class = "o" > =< / span > < span class = "n" > force_update< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "n" > asave< / span > < span class = "o" > .< / span > < span class = "n" > alters_data< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _validate_force_insert< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > force_insert< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > force_insert< / span > < span class = "ow" > is< / span > < span class = "kc" > False< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "p" > ()< / span >
< span class = "k" > if< / span > < span class = "n" > force_insert< / span > < span class = "ow" > is< / span > < span class = "kc" > True< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,)< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > force_insert< / span > < span class = "p" > ,< / span > < span class = "nb" > tuple< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span > < span class = "s2" > " force_insert must be a bool or tuple." < / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > member< / span > < span class = "ow" > in< / span > < span class = "n" > force_insert< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > member< / span > < span class = "p" > ,< / span > < span class = "n" > ModelBase< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " Invalid force_insert member. < / span > < span class = "si" > {< / span > < span class = "n" > member< / span > < span class = "si" > !r}< / span > < span class = "s2" > must be a model subclass." < / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > issubclass< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > member< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > TypeError< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " Invalid force_insert member. < / span > < span class = "si" > {< / span > < span class = "n" > member< / span > < span class = "o" > .< / span > < span class = "vm" > __qualname__< / span > < span class = "si" > }< / span > < span class = "s2" > must be a " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " base of < / span > < span class = "si" > {< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "vm" > __qualname__< / span > < span class = "si" > }< / span > < span class = "s2" > ." < / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > force_insert< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > save_base< / span > < span class = "p" > (< / span >
< span class = "bp" > self< / span > < span class = "p" > ,< / span >
< span class = "n" > raw< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "n" > force_update< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Handle the parts of saving which should be done only once per save,< / span >
< span class = "sd" > yet need to be done in raw saves, too. This includes some sanity< / span >
< span class = "sd" > checks and signal sending.< / span >
< span class = "sd" > The ' raw' argument is telling save_base not to save any parent< / span >
< span class = "sd" > models and not to do any changes to the values before save. This< / span >
< span class = "sd" > is used by fixture loading.< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "ow" > or< / span > < span class = "n" > router< / span > < span class = "o" > .< / span > < span class = "n" > db_for_write< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "p" > ,< / span > < span class = "n" > instance< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "k" > assert< / span > < span class = "ow" > not< / span > < span class = "p" > (< / span > < span class = "n" > force_insert< / span > < span class = "ow" > and< / span > < span class = "p" > (< / span > < span class = "n" > force_update< / span > < span class = "ow" > or< / span > < span class = "n" > update_fields< / span > < span class = "p" > ))< / span >
< span class = "k" > assert< / span > < span class = "n" > update_fields< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "ow" > or< / span > < span class = "n" > update_fields< / span >
< span class = "bp" > cls< / span > < span class = "o" > =< / span > < span class = "n" > origin< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span >
< span class = "c1" > # Skip proxies, but keep the origin as the proxy model.< / span >
< span class = "k" > if< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > proxy< / span > < span class = "p" > :< / span >
< span class = "bp" > cls< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_model< / span >
< span class = "n" > meta< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > auto_created< / span > < span class = "p" > :< / span >
< span class = "n" > pre_save< / span > < span class = "o" > .< / span > < span class = "n" > send< / span > < span class = "p" > (< / span >
< span class = "n" > sender< / span > < span class = "o" > =< / span > < span class = "n" > origin< / span > < span class = "p" > ,< / span >
< span class = "n" > instance< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span >
< span class = "n" > raw< / span > < span class = "o" > =< / span > < span class = "n" > raw< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "c1" > # A transaction isn' t needed if one query is issued.< / span >
< span class = "k" > if< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > parents< / span > < span class = "p" > :< / span >
< span class = "n" > context_manager< / span > < span class = "o" > =< / span > < span class = "n" > transaction< / span > < span class = "o" > .< / span > < span class = "n" > atomic< / span > < span class = "p" > (< / span > < span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > savepoint< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > context_manager< / span > < span class = "o" > =< / span > < span class = "n" > transaction< / span > < span class = "o" > .< / span > < span class = "n" > mark_for_rollback_on_error< / span > < span class = "p" > (< / span > < span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > )< / span >
< span class = "k" > with< / span > < span class = "n" > context_manager< / span > < span class = "p" > :< / span >
< span class = "n" > parent_inserted< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > raw< / span > < span class = "p" > :< / span >
< span class = "c1" > # Validate force insert only when parents are inserted.< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _validate_force_insert< / span > < span class = "p" > (< / span > < span class = "n" > force_insert< / span > < span class = "p" > )< / span >
< span class = "n" > parent_inserted< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _save_parents< / span > < span class = "p" > (< / span >
< span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span > < span class = "n" > force_insert< / span >
< span class = "p" > )< / span >
< span class = "n" > updated< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _save_table< / span > < span class = "p" > (< / span >
< span class = "n" > raw< / span > < span class = "p" > ,< / span >
< span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "n" > force_insert< / span > < span class = "ow" > or< / span > < span class = "n" > parent_inserted< / span > < span class = "p" > ,< / span >
< span class = "n" > force_update< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "c1" > # Store the database on which the object was saved< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > db< / span > < span class = "o" > =< / span > < span class = "n" > using< / span >
< span class = "c1" > # Once saved, this is no longer a to-be-added instance.< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > adding< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span >
< span class = "c1" > # Signal that the save is complete< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > auto_created< / span > < span class = "p" > :< / span >
< span class = "n" > post_save< / span > < span class = "o" > .< / span > < span class = "n" > send< / span > < span class = "p" > (< / span >
< span class = "n" > sender< / span > < span class = "o" > =< / span > < span class = "n" > origin< / span > < span class = "p" > ,< / span >
< span class = "n" > instance< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span >
< span class = "n" > created< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "ow" > not< / span > < span class = "n" > updated< / span > < span class = "p" > ),< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span >
< span class = "n" > raw< / span > < span class = "o" > =< / span > < span class = "n" > raw< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "n" > save_base< / span > < span class = "o" > .< / span > < span class = "n" > alters_data< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _save_parents< / span > < span class = "p" > (< / span >
< span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span > < span class = "n" > force_insert< / span > < span class = "p" > ,< / span > < span class = "n" > updated_parents< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Save all the parents of cls using values from self." " " < / span >
< span class = "n" > meta< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "n" > inserted< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span >
< span class = "k" > if< / span > < span class = "n" > updated_parents< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > updated_parents< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > for< / span > < span class = "n" > parent< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > parents< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ():< / span >
< span class = "c1" > # Make sure the link fields are synced between parent and self.< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span >
< span class = "n" > field< / span >
< span class = "ow" > and< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > parent< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span >
< span class = "ow" > and< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span >
< span class = "p" > ):< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > parent< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ))< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > parent_updated< / span > < span class = "o" > :=< / span > < span class = "n" > updated_parents< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > parent< / span > < span class = "p" > ))< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > parent_inserted< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _save_parents< / span > < span class = "p" > (< / span >
< span class = "bp" > cls< / span > < span class = "o" > =< / span > < span class = "n" > parent< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "n" > force_insert< / span > < span class = "p" > ,< / span >
< span class = "n" > updated_parents< / span > < span class = "o" > =< / span > < span class = "n" > updated_parents< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "n" > updated< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _save_table< / span > < span class = "p" > (< / span >
< span class = "bp" > cls< / span > < span class = "o" > =< / span > < span class = "n" > parent< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "n" > parent_inserted< / span > < span class = "ow" > or< / span > < span class = "nb" > issubclass< / span > < span class = "p" > (< / span > < span class = "n" > parent< / span > < span class = "p" > ,< / span > < span class = "n" > force_insert< / span > < span class = "p" > ),< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > updated< / span > < span class = "p" > :< / span >
< span class = "n" > inserted< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "n" > updated_parents< / span > < span class = "p" > [< / span > < span class = "n" > parent< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > updated< / span >
< span class = "k" > elif< / span > < span class = "ow" > not< / span > < span class = "n" > parent_updated< / span > < span class = "p" > :< / span >
< span class = "n" > inserted< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "c1" > # Set the parent' s PK value to self.< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "p" > :< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _get_pk_val< / span > < span class = "p" > (< / span > < span class = "n" > parent< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "p" > ))< / span >
< span class = "c1" > # Since we didn' t have an instance of the parent handy set< / span >
< span class = "c1" > # attname directly, bypassing the descriptor. Invalidate< / span >
< span class = "c1" > # the related object cache, in case it' s been accidentally< / span >
< span class = "c1" > # populated. A fresh instance will be re-built from the< / span >
< span class = "c1" > # database if necessary.< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > is_cached< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > delete_cached_value< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > inserted< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _save_table< / span > < span class = "p" > (< / span >
< span class = "bp" > self< / span > < span class = "p" > ,< / span >
< span class = "n" > raw< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "bp" > cls< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "n" > force_update< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "n" > update_fields< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Do the heavy-lifting involved in saving. Update or insert the data< / span >
< span class = "sd" > for a single table.< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > meta< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "n" > pk_fields< / span > < span class = "o" > =< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > pk_fields< / span >
< span class = "n" > non_pks_non_generated< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "n" > f< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > local_concrete_fields< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > pk_fields< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > generated< / span >
< span class = "p" > ]< / span >
< span class = "k" > if< / span > < span class = "n" > update_fields< / span > < span class = "p" > :< / span >
< span class = "n" > non_pks_non_generated< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "n" > f< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > non_pks_non_generated< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > update_fields< / span > < span class = "ow" > or< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "ow" > in< / span > < span class = "n" > update_fields< / span >
< span class = "p" > ]< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _is_pk_set< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "p" > ):< / span >
< span class = "n" > pk_val< / span > < span class = "o" > =< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > get_pk_value_on_save< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "n" > pk_val< / span > < span class = "p" > )< / span >
< span class = "n" > pk_set< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _is_pk_set< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > pk_set< / span > < span class = "ow" > and< / span > < span class = "p" > (< / span > < span class = "n" > force_update< / span > < span class = "ow" > or< / span > < span class = "n" > update_fields< / span > < span class = "p" > ):< / span >
< span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > (< / span > < span class = "s2" > " Cannot force an update in save() with no primary key." < / span > < span class = "p" > )< / span >
< span class = "n" > updated< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span >
< span class = "c1" > # Skip an UPDATE when adding an instance and primary key has a default.< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span >
< span class = "ow" > not< / span > < span class = "n" > raw< / span >
< span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > force_insert< / span >
< span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > force_update< / span >
< span class = "ow" > and< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > adding< / span >
< span class = "ow" > and< / span > < span class = "nb" > all< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > has_default< / span > < span class = "p" > ()< / span > < span class = "ow" > or< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > has_db_default< / span > < span class = "p" > ()< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > pk_fields< / span > < span class = "p" > )< / span >
< span class = "p" > ):< / span >
< span class = "n" > force_insert< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "c1" > # If possible, try an UPDATE. If that doesn' t update anything, do an INSERT.< / span >
< span class = "k" > if< / span > < span class = "n" > pk_set< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > force_insert< / span > < span class = "p" > :< / span >
< span class = "n" > base_qs< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _base_manager< / span > < span class = "o" > .< / span > < span class = "n" > using< / span > < span class = "p" > (< / span > < span class = "n" > using< / span > < span class = "p" > )< / span >
< span class = "n" > values< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "p" > (< / span >
< span class = "n" > f< / span > < span class = "p" > ,< / span >
< span class = "kc" > None< / span > < span class = "p" > ,< / span >
< span class = "p" > (< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span > < span class = "k" > if< / span > < span class = "n" > raw< / span > < span class = "k" > else< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > pre_save< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "kc" > False< / span > < span class = "p" > )),< / span >
< span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > non_pks_non_generated< / span >
< span class = "p" > ]< / span >
< span class = "n" > forced_update< / span > < span class = "o" > =< / span > < span class = "n" > update_fields< / span > < span class = "ow" > or< / span > < span class = "n" > force_update< / span >
< span class = "n" > pk_val< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _get_pk_val< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "p" > )< / span >
< span class = "n" > updated< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _do_update< / span > < span class = "p" > (< / span >
< span class = "n" > base_qs< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > pk_val< / span > < span class = "p" > ,< / span > < span class = "n" > values< / span > < span class = "p" > ,< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span > < span class = "n" > forced_update< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > force_update< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > updated< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "n" > DatabaseError< / span > < span class = "p" > (< / span > < span class = "s2" > " Forced update did not affect any rows." < / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > update_fields< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > updated< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "n" > DatabaseError< / span > < span class = "p" > (< / span > < span class = "s2" > " Save with update_fields did not affect any rows." < / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > updated< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > order_with_respect_to< / span > < span class = "p" > :< / span >
< span class = "c1" > # If this is a model with an order_with_respect_to< / span >
< span class = "c1" > # autopopulate the _order field< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > order_with_respect_to< / span >
< span class = "n" > filter_args< / span > < span class = "o" > =< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > get_filter_kwargs_for_object< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _order< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _base_manager< / span > < span class = "o" > .< / span > < span class = "n" > using< / span > < span class = "p" > (< / span > < span class = "n" > using< / span > < span class = "p" > )< / span >
< span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > filter_args< / span > < span class = "p" > )< / span >
< span class = "o" > .< / span > < span class = "n" > aggregate< / span > < span class = "p" > (< / span >
< span class = "n" > _order__max< / span > < span class = "o" > =< / span > < span class = "n" > Coalesce< / span > < span class = "p" > (< / span >
< span class = "n" > ExpressionWrapper< / span > < span class = "p" > (< / span >
< span class = "n" > Max< / span > < span class = "p" > (< / span > < span class = "s2" > " _order" < / span > < span class = "p" > )< / span > < span class = "o" > +< / span > < span class = "n" > Value< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "p" > ),< / span > < span class = "n" > output_field< / span > < span class = "o" > =< / span > < span class = "n" > IntegerField< / span > < span class = "p" > ()< / span >
< span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ),< / span >
< span class = "p" > ),< / span >
< span class = "p" > )[< / span > < span class = "s2" > " _order__max" < / span > < span class = "p" > ]< / span >
< span class = "p" > )< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "n" > f< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > local_concrete_fields< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > generated< / span > < span class = "ow" > and< / span > < span class = "p" > (< / span > < span class = "n" > pk_set< / span > < span class = "ow" > or< / span > < span class = "n" > f< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > auto_field< / span > < span class = "p" > )< / span >
< span class = "p" > ]< / span >
< span class = "n" > returning_fields< / span > < span class = "o" > =< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > db_returning_fields< / span >
< span class = "n" > results< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _do_insert< / span > < span class = "p" > (< / span >
< span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _base_manager< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > fields< / span > < span class = "p" > ,< / span > < span class = "n" > returning_fields< / span > < span class = "p" > ,< / span > < span class = "n" > raw< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > results< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > value< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "nb" > zip< / span > < span class = "p" > (< / span > < span class = "n" > results< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "n" > returning_fields< / span > < span class = "p" > ):< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > updated< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _do_update< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > base_qs< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > pk_val< / span > < span class = "p" > ,< / span > < span class = "n" > values< / span > < span class = "p" > ,< / span > < span class = "n" > update_fields< / span > < span class = "p" > ,< / span > < span class = "n" > forced_update< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Try to update the model. Return True if the model was updated (if an< / span >
< span class = "sd" > update query was done and a matching row was found in the DB).< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > filtered< / span > < span class = "o" > =< / span > < span class = "n" > base_qs< / span > < span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span > < span class = "n" > pk< / span > < span class = "o" > =< / span > < span class = "n" > pk_val< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > values< / span > < span class = "p" > :< / span >
< span class = "c1" > # We can end up here when saving a model in inheritance chain where< / span >
< span class = "c1" > # update_fields doesn' t target any field in current model. In that< / span >
< span class = "c1" > # case we just say the update succeeded. Another case ending up here< / span >
< span class = "c1" > # is a model with just PK - in that case check that the PK still< / span >
< span class = "c1" > # exists.< / span >
< span class = "k" > return< / span > < span class = "n" > update_fields< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "ow" > or< / span > < span class = "n" > filtered< / span > < span class = "o" > .< / span > < span class = "n" > exists< / span > < span class = "p" > ()< / span >
< span class = "k" > if< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > select_on_save< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > forced_update< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "p" > (< / span >
< span class = "n" > filtered< / span > < span class = "o" > .< / span > < span class = "n" > exists< / span > < span class = "p" > ()< / span >
< span class = "ow" > and< / span >
< span class = "c1" > # It may happen that the object is deleted from the DB right after< / span >
< span class = "c1" > # this check, causing the subsequent UPDATE to return zero matching< / span >
< span class = "c1" > # rows. The same result can occur in some rare cases when the< / span >
< span class = "c1" > # database returns zero despite the UPDATE being executed< / span >
< span class = "c1" > # successfully (a row is matched and updated). In order to< / span >
< span class = "c1" > # distinguish these two cases, the object' s existence in the< / span >
< span class = "c1" > # database is again checked for if the UPDATE query returns 0.< / span >
< span class = "p" > (< / span > < span class = "n" > filtered< / span > < span class = "o" > .< / span > < span class = "n" > _update< / span > < span class = "p" > (< / span > < span class = "n" > values< / span > < span class = "p" > )< / span > < span class = "o" > > < / span > < span class = "mi" > 0< / span > < span class = "ow" > or< / span > < span class = "n" > filtered< / span > < span class = "o" > .< / span > < span class = "n" > exists< / span > < span class = "p" > ())< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > filtered< / span > < span class = "o" > .< / span > < span class = "n" > _update< / span > < span class = "p" > (< / span > < span class = "n" > values< / span > < span class = "p" > )< / span > < span class = "o" > > < / span > < span class = "mi" > 0< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _do_insert< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > manager< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > fields< / span > < span class = "p" > ,< / span > < span class = "n" > returning_fields< / span > < span class = "p" > ,< / span > < span class = "n" > raw< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Do an INSERT. If returning_fields is defined then this method should< / span >
< span class = "sd" > return the newly created data for the model.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > return< / span > < span class = "n" > manager< / span > < span class = "o" > .< / span > < span class = "n" > _insert< / span > < span class = "p" > (< / span >
< span class = "p" > [< / span > < span class = "bp" > self< / span > < span class = "p" > ],< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "n" > fields< / span > < span class = "p" > ,< / span >
< span class = "n" > returning_fields< / span > < span class = "o" > =< / span > < span class = "n" > returning_fields< / span > < span class = "p" > ,< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "n" > raw< / span > < span class = "o" > =< / span > < span class = "n" > raw< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _prepare_related_fields_for_save< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > operation_name< / span > < span class = "p" > ,< / span > < span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "c1" > # Ensure that a model instance without a PK hasn' t been assigned to< / span >
< span class = "c1" > # a ForeignKey, GenericForeignKey or OneToOneField on this model. If< / span >
< span class = "c1" > # the field is nullable, allowing the save would result in silent data< / span >
< span class = "c1" > # loss.< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > concrete_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > fields< / span > < span class = "ow" > and< / span > < span class = "n" > field< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "c1" > # If the related field isn' t cached, then an instance hasn' t been< / span >
< span class = "c1" > # assigned and there' s no need to worry about this check.< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > is_relation< / span > < span class = "ow" > and< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > is_cached< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "kc" > None< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > obj< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "c1" > # A pk may have been assigned manually to a model instance not< / span >
< span class = "c1" > # saved to the database (or auto-generated in a case like< / span >
< span class = "c1" > # UUIDField), but we allow the save to proceed and rely on the< / span >
< span class = "c1" > # database to raise an IntegrityError if applicable. If< / span >
< span class = "c1" > # constraints aren' t supported by the database, there' s the< / span >
< span class = "c1" > # unavoidable risk of data corruption.< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > obj< / span > < span class = "o" > .< / span > < span class = "n" > _is_pk_set< / span > < span class = "p" > ():< / span >
< span class = "c1" > # Remove the object from a related instance cache.< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > multiple< / span > < span class = "p" > :< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > delete_cached_value< / span > < span class = "p" > (< / span > < span class = "n" > obj< / span > < span class = "p" > )< / span >
< span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > (< / span >
< span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > () prohibited to prevent data loss due to unsaved " < / span >
< span class = "s2" > " related object ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > operation_name< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > elif< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span > < span class = "ow" > in< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > empty_values< / span > < span class = "p" > :< / span >
< span class = "c1" > # Set related object if it has been saved after an< / span >
< span class = "c1" > # assignment.< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > obj< / span > < span class = "p" > )< / span >
< span class = "c1" > # If the relationship' s pk/to_field was changed, clear the< / span >
< span class = "c1" > # cached relationship.< / span >
< span class = "k" > if< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "n" > obj< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > target_field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span > < span class = "o" > !=< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span >
< span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span >
< span class = "p" > ):< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > delete_cached_value< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "c1" > # GenericForeignKeys are private.< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > private_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > fields< / span > < span class = "ow" > and< / span > < span class = "n" > field< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span >
< span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > is_relation< / span >
< span class = "ow" > and< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > is_cached< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "ow" > and< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span > < span class = "s2" > " fk_field" < / span > < span class = "p" > )< / span >
< span class = "p" > ):< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > get_cached_value< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > default< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > obj< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > obj< / span > < span class = "o" > .< / span > < span class = "n" > _is_pk_set< / span > < span class = "p" > ():< / span >
< span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > operation_name< / span > < span class = "si" > }< / span > < span class = "s2" > () prohibited to prevent data loss due to " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " unsaved related object ' < / span > < span class = "si" > {< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "si" > }< / span > < span class = "s2" > ' ." < / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > delete< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span > < span class = "n" > keep_parents< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _is_pk_set< / span > < span class = "p" > ():< / span >
< span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > (< / span >
< span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > object can' t be deleted because its < / span > < span class = "si" > %s< / span > < span class = "s2" > attribute is set " < / span >
< span class = "s2" > " to None." < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > object_name< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "ow" > or< / span > < span class = "n" > router< / span > < span class = "o" > .< / span > < span class = "n" > db_for_write< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "p" > ,< / span > < span class = "n" > instance< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "n" > collector< / span > < span class = "o" > =< / span > < span class = "n" > Collector< / span > < span class = "p" > (< / span > < span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span > < span class = "n" > origin< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "n" > collector< / span > < span class = "o" > .< / span > < span class = "n" > collect< / span > < span class = "p" > ([< / span > < span class = "bp" > self< / span > < span class = "p" > ],< / span > < span class = "n" > keep_parents< / span > < span class = "o" > =< / span > < span class = "n" > keep_parents< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > collector< / span > < span class = "o" > .< / span > < span class = "n" > delete< / span > < span class = "p" > ()< / span >
< span class = "n" > delete< / span > < span class = "o" > .< / span > < span class = "n" > alters_data< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "k" > async< / span > < span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > adelete< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span > < span class = "n" > keep_parents< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "k" > await< / span > < span class = "n" > sync_to_async< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > delete< / span > < span class = "p" > )(< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > ,< / span >
< span class = "n" > keep_parents< / span > < span class = "o" > =< / span > < span class = "n" > keep_parents< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "n" > adelete< / span > < span class = "o" > .< / span > < span class = "n" > alters_data< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _get_FIELD_display< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "p" > ):< / span >
< span class = "n" > value< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "n" > choices_dict< / span > < span class = "o" > =< / span > < span class = "nb" > dict< / span > < span class = "p" > (< / span > < span class = "n" > make_hashable< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > flatchoices< / span > < span class = "p" > ))< / span >
< span class = "c1" > # force_str() to coerce lazy strings.< / span >
< span class = "k" > return< / span > < span class = "n" > force_str< / span > < span class = "p" > (< / span >
< span class = "n" > choices_dict< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > make_hashable< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > ),< / span > < span class = "n" > value< / span > < span class = "p" > ),< / span > < span class = "n" > strings_only< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _get_next_or_previous_by_FIELD< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span > < span class = "n" > is_next< / span > < span class = "p" > ,< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _is_pk_set< / span > < span class = "p" > ():< / span >
< span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > (< / span > < span class = "s2" > " get_next/get_previous cannot be used on unsaved objects." < / span > < span class = "p" > )< / span >
< span class = "n" > op< / span > < span class = "o" > =< / span > < span class = "s2" > " gt" < / span > < span class = "k" > if< / span > < span class = "n" > is_next< / span > < span class = "k" > else< / span > < span class = "s2" > " lt" < / span >
< span class = "n" > order< / span > < span class = "o" > =< / span > < span class = "s2" > " " < / span > < span class = "k" > if< / span > < span class = "n" > is_next< / span > < span class = "k" > else< / span > < span class = "s2" > " -" < / span >
< span class = "n" > param< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "n" > q< / span > < span class = "o" > =< / span > < span class = "n" > Q< / span > < span class = "o" > .< / span > < span class = "n" > create< / span > < span class = "p" > ([(< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > param< / span > < span class = "p" > ),< / span > < span class = "p" > (< / span > < span class = "sa" > f< / span > < span class = "s2" > " pk__< / span > < span class = "si" > {< / span > < span class = "n" > op< / span > < span class = "si" > }< / span > < span class = "s2" > " < / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "p" > )],< / span > < span class = "n" > connector< / span > < span class = "o" > =< / span > < span class = "n" > Q< / span > < span class = "o" > .< / span > < span class = "n" > AND< / span > < span class = "p" > )< / span >
< span class = "n" > q< / span > < span class = "o" > =< / span > < span class = "n" > Q< / span > < span class = "o" > .< / span > < span class = "n" > create< / span > < span class = "p" > ([< / span > < span class = "n" > q< / span > < span class = "p" > ,< / span > < span class = "p" > (< / span > < span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "si" > }< / span > < span class = "s2" > __< / span > < span class = "si" > {< / span > < span class = "n" > op< / span > < span class = "si" > }< / span > < span class = "s2" > " < / span > < span class = "p" > ,< / span > < span class = "n" > param< / span > < span class = "p" > )],< / span > < span class = "n" > connector< / span > < span class = "o" > =< / span > < span class = "n" > Q< / span > < span class = "o" > .< / span > < span class = "n" > OR< / span > < span class = "p" > )< / span >
< span class = "n" > qs< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "o" > .< / span > < span class = "n" > _default_manager< / span > < span class = "o" > .< / span > < span class = "n" > using< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > db< / span > < span class = "p" > )< / span >
< span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > )< / span >
< span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span > < span class = "n" > q< / span > < span class = "p" > )< / span >
< span class = "o" > .< / span > < span class = "n" > order_by< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "si" > %s%s< / span > < span class = "s2" > " < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > order< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ),< / span > < span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > pk" < / span > < span class = "o" > %< / span > < span class = "n" > order< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "n" > qs< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]< / span >
< span class = "k" > except< / span > < span class = "ne" > IndexError< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > DoesNotExist< / span > < span class = "p" > (< / span >
< span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > matching query does not exist." < / span > < span class = "o" > %< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > object_name< / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _get_next_or_previous_in_order< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > is_next< / span > < span class = "p" > ):< / span >
< span class = "n" > cachename< / span > < span class = "o" > =< / span > < span class = "s2" > " __< / span > < span class = "si" > %s< / span > < span class = "s2" > _order_cache" < / span > < span class = "o" > %< / span > < span class = "n" > is_next< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > cachename< / span > < span class = "p" > ):< / span >
< span class = "n" > op< / span > < span class = "o" > =< / span > < span class = "s2" > " gt" < / span > < span class = "k" > if< / span > < span class = "n" > is_next< / span > < span class = "k" > else< / span > < span class = "s2" > " lt" < / span >
< span class = "n" > order< / span > < span class = "o" > =< / span > < span class = "s2" > " _order" < / span > < span class = "k" > if< / span > < span class = "n" > is_next< / span > < span class = "k" > else< / span > < span class = "s2" > " -_order" < / span >
< span class = "n" > order_field< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > order_with_respect_to< / span >
< span class = "n" > filter_args< / span > < span class = "o" > =< / span > < span class = "n" > order_field< / span > < span class = "o" > .< / span > < span class = "n" > get_filter_kwargs_for_object< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "o" > .< / span > < span class = "n" > _default_manager< / span > < span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > filter_args< / span > < span class = "p" > )< / span >
< span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span >
< span class = "o" > **< / span > < span class = "p" > {< / span >
< span class = "s2" > " _order__< / span > < span class = "si" > %s< / span > < span class = "s2" > " < / span >
< span class = "o" > %< / span > < span class = "n" > op< / span > < span class = "p" > :< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "o" > .< / span > < span class = "n" > _default_manager< / span > < span class = "o" > .< / span > < span class = "n" > values< / span > < span class = "p" > (< / span > < span class = "s2" > " _order" < / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span >
< span class = "o" > **< / span > < span class = "p" > {< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > :< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "p" > }< / span >
< span class = "p" > )< / span >
< span class = "p" > }< / span >
< span class = "p" > )< / span >
< span class = "o" > .< / span > < span class = "n" > order_by< / span > < span class = "p" > (< / span > < span class = "n" > order< / span > < span class = "p" > )[:< / span > < span class = "mi" > 1< / span > < span class = "p" > ]< / span >
< span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > ()< / span >
< span class = "p" > )< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > cachename< / span > < span class = "p" > ,< / span > < span class = "n" > obj< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > cachename< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _get_field_expression_map< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > meta< / span > < span class = "p" > ,< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > exclude< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > ()< / span >
< span class = "n" > meta< / span > < span class = "o" > =< / span > < span class = "n" > meta< / span > < span class = "ow" > or< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "n" > field_map< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "n" > generated_fields< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > local_concrete_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "k" > if< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > generated< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "nb" > any< / span > < span class = "p" > (< / span >
< span class = "n" > ref< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span >
< span class = "k" > for< / span > < span class = "n" > ref< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _get_expr_references< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > expression< / span > < span class = "p" > )< / span >
< span class = "p" > ):< / span >
< span class = "k" > continue< / span >
< span class = "n" > generated_fields< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > )< / span >
< span class = "k" > continue< / span >
< span class = "n" > value< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > value< / span > < span class = "ow" > or< / span > < span class = "ow" > not< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > ,< / span > < span class = "s2" > " resolve_expression" < / span > < span class = "p" > ):< / span >
< span class = "n" > value< / span > < span class = "o" > =< / span > < span class = "n" > Value< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "p" > )< / span >
< span class = "n" > field_map< / span > < span class = "p" > [< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > value< / span >
< span class = "k" > if< / span > < span class = "s2" > " pk" < / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "p" > :< / span >
< span class = "n" > field_map< / span > < span class = "p" > [< / span > < span class = "s2" > " pk" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > Value< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "p" > ,< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > generated_fields< / span > < span class = "p" > :< / span >
< span class = "n" > replacements< / span > < span class = "o" > =< / span > < span class = "p" > {< / span > < span class = "n" > F< / span > < span class = "p" > (< / span > < span class = "n" > name< / span > < span class = "p" > ):< / span > < span class = "n" > value< / span > < span class = "k" > for< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "ow" > in< / span > < span class = "n" > field_map< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ()}< / span >
< span class = "k" > for< / span > < span class = "n" > generated_field< / span > < span class = "ow" > in< / span > < span class = "n" > generated_fields< / span > < span class = "p" > :< / span >
< span class = "n" > field_map< / span > < span class = "p" > [< / span > < span class = "n" > generated_field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > ExpressionWrapper< / span > < span class = "p" > (< / span >
< span class = "n" > generated_field< / span > < span class = "o" > .< / span > < span class = "n" > expression< / span > < span class = "o" > .< / span > < span class = "n" > replace_expressions< / span > < span class = "p" > (< / span > < span class = "n" > replacements< / span > < span class = "p" > ),< / span >
< span class = "n" > generated_field< / span > < span class = "o" > .< / span > < span class = "n" > output_field< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > field_map< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > prepare_database_save< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _is_pk_set< / span > < span class = "p" > ():< / span >
< span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > (< / span >
< span class = "s2" > " Unsaved model instance < / span > < span class = "si" > %r< / span > < span class = "s2" > cannot be used in an ORM query." < / span > < span class = "o" > %< / span > < span class = "bp" > self< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > get_related_field< / span > < span class = "p" > ()< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > clean< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Hook for doing any extra model-wide validation after clean() has been< / span >
< span class = "sd" > called on every field by self.clean_fields. Any ValidationError raised< / span >
< span class = "sd" > by this method will not be associated with a particular field; it will< / span >
< span class = "sd" > have a special-case association with the field defined by NON_FIELD_ERRORS.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > pass< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > validate_unique< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Check unique constraints on the model and raise ValidationError if any< / span >
< span class = "sd" > failed.< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > unique_checks< / span > < span class = "p" > ,< / span > < span class = "n" > date_checks< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _get_unique_checks< / span > < span class = "p" > (< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "n" > exclude< / span > < span class = "p" > )< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _perform_unique_checks< / span > < span class = "p" > (< / span > < span class = "n" > unique_checks< / span > < span class = "p" > )< / span >
< span class = "n" > date_errors< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _perform_date_checks< / span > < span class = "p" > (< / span > < span class = "n" > date_checks< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > k< / span > < span class = "p" > ,< / span > < span class = "n" > v< / span > < span class = "ow" > in< / span > < span class = "n" > date_errors< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ():< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > setdefault< / span > < span class = "p" > (< / span > < span class = "n" > k< / span > < span class = "p" > ,< / span > < span class = "p" > [])< / span > < span class = "o" > .< / span > < span class = "n" > extend< / span > < span class = "p" > (< / span > < span class = "n" > v< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > errors< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "n" > ValidationError< / span > < span class = "p" > (< / span > < span class = "n" > errors< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _get_unique_checks< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span > < span class = "n" > include_meta_constraints< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Return a list of checks to perform. Since validate_unique() could be< / span >
< span class = "sd" > called from a ModelForm, some fields may have been excluded; we can' t< / span >
< span class = "sd" > perform a unique check on a model that is missing fields involved< / span >
< span class = "sd" > in that check. Fields that did not validate should also be excluded,< / span >
< span class = "sd" > but they need to be passed in via the exclude argument.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > if< / span > < span class = "n" > exclude< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > ()< / span >
< span class = "n" > unique_checks< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > unique_togethers< / span > < span class = "o" > =< / span > < span class = "p" > [(< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > unique_together< / span > < span class = "p" > )]< / span >
< span class = "n" > constraints< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > if< / span > < span class = "n" > include_meta_constraints< / span > < span class = "p" > :< / span >
< span class = "n" > constraints< / span > < span class = "o" > =< / span > < span class = "p" > [(< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > total_unique_constraints< / span > < span class = "p" > )]< / span >
< span class = "k" > for< / span > < span class = "n" > parent_class< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > all_parents< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > parent_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > unique_together< / span > < span class = "p" > :< / span >
< span class = "n" > unique_togethers< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "p" > (< / span > < span class = "n" > parent_class< / span > < span class = "p" > ,< / span > < span class = "n" > parent_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > unique_together< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > include_meta_constraints< / span > < span class = "ow" > and< / span > < span class = "n" > parent_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > total_unique_constraints< / span > < span class = "p" > :< / span >
< span class = "n" > constraints< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "p" > (< / span > < span class = "n" > parent_class< / span > < span class = "p" > ,< / span > < span class = "n" > parent_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > total_unique_constraints< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "n" > unique_together< / span > < span class = "ow" > in< / span > < span class = "n" > unique_togethers< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > check< / span > < span class = "ow" > in< / span > < span class = "n" > unique_together< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > any< / span > < span class = "p" > (< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "k" > for< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > check< / span > < span class = "p" > ):< / span >
< span class = "c1" > # Add the check if the field isn' t excluded.< / span >
< span class = "n" > unique_checks< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > ((< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "nb" > tuple< / span > < span class = "p" > (< / span > < span class = "n" > check< / span > < span class = "p" > )))< / span >
< span class = "k" > if< / span > < span class = "n" > include_meta_constraints< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "n" > model_constraints< / span > < span class = "ow" > in< / span > < span class = "n" > constraints< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > constraint< / span > < span class = "ow" > in< / span > < span class = "n" > model_constraints< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > any< / span > < span class = "p" > (< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "k" > for< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > constraint< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > ):< / span >
< span class = "n" > unique_checks< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > ((< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "n" > constraint< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > ))< / span >
< span class = "c1" > # These are checks for the unique_for_< date/year/month> .< / span >
< span class = "n" > date_checks< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "c1" > # Gather a list of checks for fields declared as unique and add them to< / span >
< span class = "c1" > # the list of checks.< / span >
< span class = "n" > fields_with_class< / span > < span class = "o" > =< / span > < span class = "p" > [(< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > )]< / span >
< span class = "k" > for< / span > < span class = "n" > parent_class< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > all_parents< / span > < span class = "p" > :< / span >
< span class = "n" > fields_with_class< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > ((< / span > < span class = "n" > parent_class< / span > < span class = "p" > ,< / span > < span class = "n" > parent_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > ))< / span >
< span class = "k" > for< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "n" > fields< / span > < span class = "ow" > in< / span > < span class = "n" > fields_with_class< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "p" > :< / span >
< span class = "n" > name< / span > < span class = "o" > =< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span >
< span class = "k" > if< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > ,< / span > < span class = "n" > CompositePrimaryKey< / span > < span class = "p" > ):< / span >
< span class = "n" > names< / span > < span class = "o" > =< / span > < span class = "nb" > tuple< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > exclude< / span > < span class = "o" > .< / span > < span class = "n" > isdisjoint< / span > < span class = "p" > (< / span > < span class = "n" > names< / span > < span class = "p" > ):< / span >
< span class = "n" > unique_checks< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > ((< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "n" > names< / span > < span class = "p" > ))< / span >
< span class = "k" > continue< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > unique< / span > < span class = "p" > :< / span >
< span class = "n" > unique_checks< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > ((< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "p" > (< / span > < span class = "n" > name< / span > < span class = "p" > ,)))< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > unique_for_date< / span > < span class = "ow" > and< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > unique_for_date< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "p" > :< / span >
< span class = "n" > date_checks< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > ((< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "s2" > " date" < / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > unique_for_date< / span > < span class = "p" > ))< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > unique_for_year< / span > < span class = "ow" > and< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > unique_for_year< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "p" > :< / span >
< span class = "n" > date_checks< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > ((< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "s2" > " year" < / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > unique_for_year< / span > < span class = "p" > ))< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > unique_for_month< / span > < span class = "ow" > and< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > unique_for_month< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "p" > :< / span >
< span class = "n" > date_checks< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > ((< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "s2" > " month" < / span > < span class = "p" > ,< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > unique_for_month< / span > < span class = "p" > ))< / span >
< span class = "k" > return< / span > < span class = "n" > unique_checks< / span > < span class = "p" > ,< / span > < span class = "n" > date_checks< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _perform_unique_checks< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > unique_checks< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > for< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "n" > unique_check< / span > < span class = "ow" > in< / span > < span class = "n" > unique_checks< / span > < span class = "p" > :< / span >
< span class = "c1" > # Try to look up an existing object with the same values as this< / span >
< span class = "c1" > # object' s values for all the unique field.< / span >
< span class = "n" > lookup_kwargs< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > for< / span > < span class = "n" > field_name< / span > < span class = "ow" > in< / span > < span class = "n" > unique_check< / span > < span class = "p" > :< / span >
< span class = "n" > f< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > get_field< / span > < span class = "p" > (< / span > < span class = "n" > field_name< / span > < span class = "p" > )< / span >
< span class = "n" > lookup_value< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "c1" > # TODO: Handle multiple backends with different feature flags.< / span >
< span class = "k" > if< / span > < span class = "n" > lookup_value< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "ow" > or< / span > < span class = "p" > (< / span >
< span class = "n" > lookup_value< / span > < span class = "o" > ==< / span > < span class = "s2" > " " < / span >
< span class = "ow" > and< / span > < span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > features< / span > < span class = "o" > .< / span > < span class = "n" > interprets_empty_strings_as_nulls< / span >
< span class = "p" > ):< / span >
< span class = "c1" > # no value, skip the lookup< / span >
< span class = "k" > continue< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > model_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk_fields< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > adding< / span > < span class = "p" > :< / span >
< span class = "c1" > # no need to check for unique primary key when editing< / span >
< span class = "k" > continue< / span >
< span class = "n" > lookup_kwargs< / span > < span class = "p" > [< / span > < span class = "nb" > str< / span > < span class = "p" > (< / span > < span class = "n" > field_name< / span > < span class = "p" > )]< / span > < span class = "o" > =< / span > < span class = "n" > lookup_value< / span >
< span class = "c1" > # some fields were skipped, no reason to do the check< / span >
< span class = "k" > if< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > unique_check< / span > < span class = "p" > )< / span > < span class = "o" > !=< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > lookup_kwargs< / span > < span class = "p" > ):< / span >
< span class = "k" > continue< / span >
< span class = "n" > qs< / span > < span class = "o" > =< / span > < span class = "n" > model_class< / span > < span class = "o" > .< / span > < span class = "n" > _default_manager< / span > < span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > lookup_kwargs< / span > < span class = "p" > )< / span >
< span class = "c1" > # Exclude the current object from the query if we are editing an< / span >
< span class = "c1" > # instance (as opposed to creating a new one)< / span >
< span class = "c1" > # Note that we need to use the pk as defined by model_class, not< / span >
< span class = "c1" > # self.pk. These can be different fields because model inheritance< / span >
< span class = "c1" > # allows single model to have effectively multiple primary keys.< / span >
< span class = "c1" > # Refs #17615.< / span >
< span class = "n" > model_class_pk< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _get_pk_val< / span > < span class = "p" > (< / span > < span class = "n" > model_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > adding< / span > < span class = "ow" > and< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _is_pk_set< / span > < span class = "p" > (< / span > < span class = "n" > model_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "p" > ):< / span >
< span class = "n" > qs< / span > < span class = "o" > =< / span > < span class = "n" > qs< / span > < span class = "o" > .< / span > < span class = "n" > exclude< / span > < span class = "p" > (< / span > < span class = "n" > pk< / span > < span class = "o" > =< / span > < span class = "n" > model_class_pk< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > qs< / span > < span class = "o" > .< / span > < span class = "n" > exists< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > unique_check< / span > < span class = "p" > )< / span > < span class = "o" > ==< / span > < span class = "mi" > 1< / span > < span class = "p" > :< / span >
< span class = "n" > key< / span > < span class = "o" > =< / span > < span class = "n" > unique_check< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > key< / span > < span class = "o" > =< / span > < span class = "n" > NON_FIELD_ERRORS< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > setdefault< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "p" > [])< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > unique_error_message< / span > < span class = "p" > (< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "n" > unique_check< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _perform_date_checks< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > date_checks< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > for< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "n" > lookup_type< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span > < span class = "n" > unique_for< / span > < span class = "ow" > in< / span > < span class = "n" > date_checks< / span > < span class = "p" > :< / span >
< span class = "n" > lookup_kwargs< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "c1" > # there' s a ticket to add a date lookup, we can remove this special< / span >
< span class = "c1" > # case if that makes it' s way in< / span >
< span class = "n" > date< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > unique_for< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > date< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "k" > if< / span > < span class = "n" > lookup_type< / span > < span class = "o" > ==< / span > < span class = "s2" > " date" < / span > < span class = "p" > :< / span >
< span class = "n" > lookup_kwargs< / span > < span class = "p" > [< / span > < span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > __day" < / span > < span class = "o" > %< / span > < span class = "n" > unique_for< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > date< / span > < span class = "o" > .< / span > < span class = "n" > day< / span >
< span class = "n" > lookup_kwargs< / span > < span class = "p" > [< / span > < span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > __month" < / span > < span class = "o" > %< / span > < span class = "n" > unique_for< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > date< / span > < span class = "o" > .< / span > < span class = "n" > month< / span >
< span class = "n" > lookup_kwargs< / span > < span class = "p" > [< / span > < span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > __year" < / span > < span class = "o" > %< / span > < span class = "n" > unique_for< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > date< / span > < span class = "o" > .< / span > < span class = "n" > year< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > lookup_kwargs< / span > < span class = "p" > [< / span > < span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > __< / span > < span class = "si" > %s< / span > < span class = "s2" > " < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > unique_for< / span > < span class = "p" > ,< / span > < span class = "n" > lookup_type< / span > < span class = "p" > )]< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span >
< span class = "n" > date< / span > < span class = "p" > ,< / span > < span class = "n" > lookup_type< / span >
< span class = "p" > )< / span >
< span class = "n" > lookup_kwargs< / span > < span class = "p" > [< / span > < span class = "n" > field< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "p" > )< / span >
< span class = "n" > qs< / span > < span class = "o" > =< / span > < span class = "n" > model_class< / span > < span class = "o" > .< / span > < span class = "n" > _default_manager< / span > < span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > lookup_kwargs< / span > < span class = "p" > )< / span >
< span class = "c1" > # Exclude the current object from the query if we are editing an< / span >
< span class = "c1" > # instance (as opposed to creating a new one)< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _state< / span > < span class = "o" > .< / span > < span class = "n" > adding< / span > < span class = "ow" > and< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _is_pk_set< / span > < span class = "p" > ():< / span >
< span class = "n" > qs< / span > < span class = "o" > =< / span > < span class = "n" > qs< / span > < span class = "o" > .< / span > < span class = "n" > exclude< / span > < span class = "p" > (< / span > < span class = "n" > pk< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > qs< / span > < span class = "o" > .< / span > < span class = "n" > exists< / span > < span class = "p" > ():< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > setdefault< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span > < span class = "p" > [])< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > date_error_message< / span > < span class = "p" > (< / span > < span class = "n" > lookup_type< / span > < span class = "p" > ,< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span > < span class = "n" > unique_for< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > date_error_message< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > lookup_type< / span > < span class = "p" > ,< / span > < span class = "n" > field_name< / span > < span class = "p" > ,< / span > < span class = "n" > unique_for< / span > < span class = "p" > ):< / span >
< span class = "n" > opts< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > get_field< / span > < span class = "p" > (< / span > < span class = "n" > field_name< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > ValidationError< / span > < span class = "p" > (< / span >
< span class = "n" > message< / span > < span class = "o" > =< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > error_messages< / span > < span class = "p" > [< / span > < span class = "s2" > " unique_for_date" < / span > < span class = "p" > ],< / span >
< span class = "n" > code< / span > < span class = "o" > =< / span > < span class = "s2" > " unique_for_date" < / span > < span class = "p" > ,< / span >
< span class = "n" > params< / span > < span class = "o" > =< / span > < span class = "p" > {< / span >
< span class = "s2" > " model" < / span > < span class = "p" > :< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span >
< span class = "s2" > " model_name" < / span > < span class = "p" > :< / span > < span class = "n" > capfirst< / span > < span class = "p" > (< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > verbose_name< / span > < span class = "p" > ),< / span >
< span class = "s2" > " lookup_type" < / span > < span class = "p" > :< / span > < span class = "n" > lookup_type< / span > < span class = "p" > ,< / span >
< span class = "s2" > " field" < / span > < span class = "p" > :< / span > < span class = "n" > field_name< / span > < span class = "p" > ,< / span >
< span class = "s2" > " field_label" < / span > < span class = "p" > :< / span > < span class = "n" > capfirst< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > verbose_name< / span > < span class = "p" > ),< / span >
< span class = "s2" > " date_field" < / span > < span class = "p" > :< / span > < span class = "n" > unique_for< / span > < span class = "p" > ,< / span >
< span class = "s2" > " date_field_label" < / span > < span class = "p" > :< / span > < span class = "n" > capfirst< / span > < span class = "p" > (< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > get_field< / span > < span class = "p" > (< / span > < span class = "n" > unique_for< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > verbose_name< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > unique_error_message< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "n" > unique_check< / span > < span class = "p" > ):< / span >
< span class = "n" > opts< / span > < span class = "o" > =< / span > < span class = "n" > model_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "n" > params< / span > < span class = "o" > =< / span > < span class = "p" > {< / span >
< span class = "s2" > " model" < / span > < span class = "p" > :< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span >
< span class = "s2" > " model_class" < / span > < span class = "p" > :< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span >
< span class = "s2" > " model_name" < / span > < span class = "p" > :< / span > < span class = "n" > capfirst< / span > < span class = "p" > (< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > verbose_name< / span > < span class = "p" > ),< / span >
< span class = "s2" > " unique_check" < / span > < span class = "p" > :< / span > < span class = "n" > unique_check< / span > < span class = "p" > ,< / span >
< span class = "p" > }< / span >
< span class = "c1" > # A unique field< / span >
< span class = "k" > if< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > unique_check< / span > < span class = "p" > )< / span > < span class = "o" > ==< / span > < span class = "mi" > 1< / span > < span class = "p" > :< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > get_field< / span > < span class = "p" > (< / span > < span class = "n" > unique_check< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ])< / span >
< span class = "n" > params< / span > < span class = "p" > [< / span > < span class = "s2" > " field_label" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > capfirst< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > verbose_name< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > ValidationError< / span > < span class = "p" > (< / span >
< span class = "n" > message< / span > < span class = "o" > =< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > error_messages< / span > < span class = "p" > [< / span > < span class = "s2" > " unique" < / span > < span class = "p" > ],< / span >
< span class = "n" > code< / span > < span class = "o" > =< / span > < span class = "s2" > " unique" < / span > < span class = "p" > ,< / span >
< span class = "n" > params< / span > < span class = "o" > =< / span > < span class = "n" > params< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "c1" > # unique_together< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > field_labels< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "n" > capfirst< / span > < span class = "p" > (< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > get_field< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > verbose_name< / span > < span class = "p" > )< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > unique_check< / span >
< span class = "p" > ]< / span >
< span class = "n" > params< / span > < span class = "p" > [< / span > < span class = "s2" > " field_labels" < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > get_text_list< / span > < span class = "p" > (< / span > < span class = "n" > field_labels< / span > < span class = "p" > ,< / span > < span class = "n" > _< / span > < span class = "p" > (< / span > < span class = "s2" > " and" < / span > < span class = "p" > ))< / span >
< span class = "k" > return< / span > < span class = "n" > ValidationError< / span > < span class = "p" > (< / span >
< span class = "n" > message< / span > < span class = "o" > =< / span > < span class = "n" > _< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "si" > %(model_name)s< / span > < span class = "s2" > with this < / span > < span class = "si" > %(field_labels)s< / span > < span class = "s2" > already exists." < / span > < span class = "p" > ),< / span >
< span class = "n" > code< / span > < span class = "o" > =< / span > < span class = "s2" > " unique_together" < / span > < span class = "p" > ,< / span >
< span class = "n" > params< / span > < span class = "o" > =< / span > < span class = "n" > params< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > get_constraints< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< span class = "n" > constraints< / span > < span class = "o" > =< / span > < span class = "p" > [(< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > constraints< / span > < span class = "p" > )]< / span >
< span class = "k" > for< / span > < span class = "n" > parent_class< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > all_parents< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > parent_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > constraints< / span > < span class = "p" > :< / span >
< span class = "n" > constraints< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > ((< / span > < span class = "n" > parent_class< / span > < span class = "p" > ,< / span > < span class = "n" > parent_class< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > constraints< / span > < span class = "p" > ))< / span >
< span class = "k" > return< / span > < span class = "n" > constraints< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > validate_constraints< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "n" > constraints< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > get_constraints< / span > < span class = "p" > ()< / span >
< span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > router< / span > < span class = "o" > .< / span > < span class = "n" > db_for_write< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "p" > ,< / span > < span class = "n" > instance< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > for< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "n" > model_constraints< / span > < span class = "ow" > in< / span > < span class = "n" > constraints< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > constraint< / span > < span class = "ow" > in< / span > < span class = "n" > model_constraints< / span > < span class = "p" > :< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > constraint< / span > < span class = "o" > .< / span > < span class = "n" > validate< / span > < span class = "p" > (< / span > < span class = "n" > model_class< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "n" > exclude< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "n" > using< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "n" > ValidationError< / span > < span class = "k" > as< / span > < span class = "n" > e< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span >
< span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "n" > e< / span > < span class = "p" > ,< / span > < span class = "s2" > " code" < / span > < span class = "p" > ,< / span > < span class = "kc" > None< / span > < span class = "p" > )< / span > < span class = "o" > ==< / span > < span class = "s2" > " unique" < / span >
< span class = "ow" > and< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > constraint< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > )< / span > < span class = "o" > ==< / span > < span class = "mi" > 1< / span >
< span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > setdefault< / span > < span class = "p" > (< / span > < span class = "n" > constraint< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "p" > [])< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > e< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "n" > e< / span > < span class = "o" > .< / span > < span class = "n" > update_error_dict< / span > < span class = "p" > (< / span > < span class = "n" > errors< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > errors< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "n" > ValidationError< / span > < span class = "p" > (< / span > < span class = "n" > errors< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > full_clean< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ,< / span > < span class = "n" > validate_unique< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > ,< / span > < span class = "n" > validate_constraints< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Call clean_fields(), clean(), validate_unique(), and< / span >
< span class = "sd" > validate_constraints() on the model. Raise a ValidationError for any< / span >
< span class = "sd" > errors that occur.< / span >
< span class = "sd" > " " " < / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > if< / span > < span class = "n" > exclude< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > ()< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > (< / span > < span class = "n" > exclude< / span > < span class = "p" > )< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > clean_fields< / span > < span class = "p" > (< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "n" > exclude< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "n" > ValidationError< / span > < span class = "k" > as< / span > < span class = "n" > e< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "n" > e< / span > < span class = "o" > .< / span > < span class = "n" > update_error_dict< / span > < span class = "p" > (< / span > < span class = "n" > errors< / span > < span class = "p" > )< / span >
< span class = "c1" > # Form.clean() is run even if other validation fails, so do the< / span >
< span class = "c1" > # same with Model.clean() for consistency.< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > clean< / span > < span class = "p" > ()< / span >
< span class = "k" > except< / span > < span class = "n" > ValidationError< / span > < span class = "k" > as< / span > < span class = "n" > e< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "n" > e< / span > < span class = "o" > .< / span > < span class = "n" > update_error_dict< / span > < span class = "p" > (< / span > < span class = "n" > errors< / span > < span class = "p" > )< / span >
< span class = "c1" > # Run unique checks, but only for fields that passed validation.< / span >
< span class = "k" > if< / span > < span class = "n" > validate_unique< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > errors< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > name< / span > < span class = "o" > !=< / span > < span class = "n" > NON_FIELD_ERRORS< / span > < span class = "ow" > and< / span > < span class = "n" > name< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "p" > :< / span >
< span class = "n" > exclude< / span > < span class = "o" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "n" > name< / span > < span class = "p" > )< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > validate_unique< / span > < span class = "p" > (< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "n" > exclude< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "n" > ValidationError< / span > < span class = "k" > as< / span > < span class = "n" > e< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "n" > e< / span > < span class = "o" > .< / span > < span class = "n" > update_error_dict< / span > < span class = "p" > (< / span > < span class = "n" > errors< / span > < span class = "p" > )< / span >
< span class = "c1" > # Run constraints checks, but only for fields that passed validation.< / span >
< span class = "k" > if< / span > < span class = "n" > validate_constraints< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > errors< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > name< / span > < span class = "o" > !=< / span > < span class = "n" > NON_FIELD_ERRORS< / span > < span class = "ow" > and< / span > < span class = "n" > name< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "p" > :< / span >
< span class = "n" > exclude< / span > < span class = "o" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "n" > name< / span > < span class = "p" > )< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > validate_constraints< / span > < span class = "p" > (< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "n" > exclude< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "n" > ValidationError< / span > < span class = "k" > as< / span > < span class = "n" > e< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "n" > e< / span > < span class = "o" > .< / span > < span class = "n" > update_error_dict< / span > < span class = "p" > (< / span > < span class = "n" > errors< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > errors< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "n" > ValidationError< / span > < span class = "p" > (< / span > < span class = "n" > errors< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > clean_fields< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Clean all fields and raise a ValidationError containing a dict< / span >
< span class = "sd" > of all validation errors if any occur.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > if< / span > < span class = "n" > exclude< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > exclude< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > ()< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "ow" > in< / span > < span class = "n" > exclude< / span > < span class = "ow" > or< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > generated< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "c1" > # Skip validation for empty fields with blank=True. The developer< / span >
< span class = "c1" > # is responsible for making sure they have a valid value.< / span >
< span class = "n" > raw_value< / span > < span class = "o" > =< / span > < span class = "nb" > getattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > blank< / span > < span class = "ow" > and< / span > < span class = "n" > raw_value< / span > < span class = "ow" > in< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > empty_values< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "c1" > # Skip validation for empty fields when db_default is used.< / span >
< span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > raw_value< / span > < span class = "p" > ,< / span > < span class = "n" > DatabaseDefault< / span > < span class = "p" > ):< / span >
< span class = "k" > continue< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > clean< / span > < span class = "p" > (< / span > < span class = "n" > raw_value< / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "p" > ))< / span >
< span class = "k" > except< / span > < span class = "n" > ValidationError< / span > < span class = "k" > as< / span > < span class = "n" > e< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "p" > [< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > e< / span > < span class = "o" > .< / span > < span class = "n" > error_list< / span >
< span class = "k" > if< / span > < span class = "n" > errors< / span > < span class = "p" > :< / span >
< span class = "k" > raise< / span > < span class = "n" > ValidationError< / span > < span class = "p" > (< / span > < span class = "n" > errors< / span > < span class = "p" > )< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > check< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_swappable< / span > < span class = "p" > (),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_model< / span > < span class = "p" > (),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_managers< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ),< / span >
< span class = "p" > ]< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > swapped< / span > < span class = "p" > :< / span >
< span class = "n" > databases< / span > < span class = "o" > =< / span > < span class = "n" > kwargs< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "s2" > " databases" < / span > < span class = "p" > )< / span > < span class = "ow" > or< / span > < span class = "p" > []< / span >
< span class = "n" > errors< / span > < span class = "o" > +=< / span > < span class = "p" > [< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_fields< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_m2m_through_same_relationship< / span > < span class = "p" > (),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_long_column_names< / span > < span class = "p" > (< / span > < span class = "n" > databases< / span > < span class = "p" > ),< / span >
< span class = "p" > ]< / span >
< span class = "n" > clash_errors< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_id_field< / span > < span class = "p" > (),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_field_name_clashes< / span > < span class = "p" > (),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_model_name_db_lookup_clashes< / span > < span class = "p" > (),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_property_name_related_field_accessor_clashes< / span > < span class = "p" > (),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_single_primary_key< / span > < span class = "p" > (),< / span >
< span class = "p" > )< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > extend< / span > < span class = "p" > (< / span > < span class = "n" > clash_errors< / span > < span class = "p" > )< / span >
< span class = "c1" > # If there are field name clashes, hide consequent column name< / span >
< span class = "c1" > # clashes.< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > clash_errors< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > extend< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_column_name_clashes< / span > < span class = "p" > ())< / span >
< span class = "n" > errors< / span > < span class = "o" > +=< / span > < span class = "p" > [< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_unique_together< / span > < span class = "p" > (),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_indexes< / span > < span class = "p" > (< / span > < span class = "n" > databases< / span > < span class = "p" > ),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_ordering< / span > < span class = "p" > (),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_constraints< / span > < span class = "p" > (< / span > < span class = "n" > databases< / span > < span class = "p" > ),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_default_pk< / span > < span class = "p" > (),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_db_table_comment< / span > < span class = "p" > (< / span > < span class = "n" > databases< / span > < span class = "p" > ),< / span >
< span class = "o" > *< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_composite_pk< / span > < span class = "p" > (),< / span >
< span class = "p" > ]< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_default_pk< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span >
< span class = "ow" > not< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > abstract< / span >
< span class = "ow" > and< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > auto_created< / span >
< span class = "ow" > and< / span >
< span class = "c1" > # Inherited PKs are checked in parents models.< / span >
< span class = "ow" > not< / span > < span class = "p" > (< / span >
< span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "p" > ,< / span > < span class = "n" > OneToOneField< / span > < span class = "p" > )< / span >
< span class = "ow" > and< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > parent_link< / span >
< span class = "p" > )< / span >
< span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > settings< / span > < span class = "o" > .< / span > < span class = "n" > is_overridden< / span > < span class = "p" > (< / span > < span class = "s2" > " DEFAULT_AUTO_FIELD" < / span > < span class = "p" > )< / span >
< span class = "ow" > and< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > app_config< / span >
< span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > app_config< / span > < span class = "o" > .< / span > < span class = "n" > _is_default_auto_field_overridden< / span >
< span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "p" > [< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Warning< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " Auto-created primary key used when not defining a " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " primary key type, by default " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " ' < / span > < span class = "si" > {< / span > < span class = "n" > settings< / span > < span class = "o" > .< / span > < span class = "n" > DEFAULT_AUTO_FIELD< / span > < span class = "si" > }< / span > < span class = "s2" > ' ." < / span > < span class = "p" > ,< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " Configure the DEFAULT_AUTO_FIELD setting or the " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > app_config< / span > < span class = "o" > .< / span > < span class = "vm" > __class__< / span > < span class = "o" > .< / span > < span class = "vm" > __qualname__< / span > < span class = "si" > }< / span > < span class = "s2" > ." < / span >
< span class = "sa" > f< / span > < span class = "s2" > " default_auto_field attribute to point to a subclass " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " of AutoField, e.g. ' django.db.models.BigAutoField' ." < / span >
< span class = "p" > ),< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.W042" < / span > < span class = "p" > ,< / span >
< span class = "p" > ),< / span >
< span class = "p" > ]< / span >
< span class = "k" > return< / span > < span class = "p" > []< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_composite_pk< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > meta< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "n" > pk< / span > < span class = "o" > =< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span >
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< span class = "k" > if< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > proxy< / span > < span class = "ow" > or< / span > < span class = "ow" > not< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > pk< / span > < span class = "p" > ,< / span > < span class = "n" > CompositePrimaryKey< / span > < span class = "p" > ):< / span >
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< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "n" > seen_columns< / span > < span class = "o" > =< / span > < span class = "n" > defaultdict< / span > < span class = "p" > (< / span > < span class = "nb" > list< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > field_name< / span > < span class = "ow" > in< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > field_names< / span > < span class = "p" > :< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > get_field< / span > < span class = "p" > (< / span > < span class = "n" > field_name< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "n" > FieldDoesNotExist< / span > < span class = "p" > :< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > field< / span > < span class = "p" > :< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > field_name< / span > < span class = "si" > !r}< / span > < span class = "s2" > is not a valid field." < / span >
< span class = "k" > elif< / span > < span class = "ow" > not< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > column< / span > < span class = "p" > :< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > field_name< / span > < span class = "si" > !r}< / span > < span class = "s2" > field has no column." < / span >
< span class = "k" > elif< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > null< / span > < span class = "p" > :< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > field_name< / span > < span class = "si" > !r}< / span > < span class = "s2" > field may not set ' null=True' ." < / span >
< span class = "k" > elif< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > generated< / span > < span class = "p" > :< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > field_name< / span > < span class = "si" > !r}< / span > < span class = "s2" > field is a generated field." < / span >
< span class = "k" > elif< / span > < span class = "n" > field< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > :< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > field_name< / span > < span class = "si" > !r}< / span > < span class = "s2" > field is not a local field." < / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > seen_columns< / span > < span class = "p" > [< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > column< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > field_name< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > hint< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > field_name< / span > < span class = "si" > !r}< / span > < span class = "s2" > cannot be included in the composite primary " < / span >
< span class = "s2" > " key." < / span > < span class = "p" > ,< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "n" > hint< / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E042" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > column< / span > < span class = "p" > ,< / span > < span class = "n" > field_names< / span > < span class = "ow" > in< / span > < span class = "n" > seen_columns< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > field_names< / span > < span class = "p" > )< / span > < span class = "o" > > < / span > < span class = "mi" > 1< / span > < span class = "p" > :< / span >
< span class = "n" > field_name< / span > < span class = "p" > ,< / span > < span class = "o" > *< / span > < span class = "n" > rest< / span > < span class = "o" > =< / span > < span class = "n" > field_names< / span >
< span class = "n" > duplicates< / span > < span class = "o" > =< / span > < span class = "s2" > " , " < / span > < span class = "o" > .< / span > < span class = "n" > join< / span > < span class = "p" > (< / span > < span class = "nb" > repr< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > )< / span > < span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > rest< / span > < span class = "p" > )< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > duplicates< / span > < span class = "si" > }< / span > < span class = "s2" > cannot be included in the composite primary " < / span >
< span class = "s2" > " key." < / span > < span class = "p" > ,< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > duplicates< / span > < span class = "si" > }< / span > < span class = "s2" > and < / span > < span class = "si" > {< / span > < span class = "n" > field_name< / span > < span class = "si" > !r}< / span > < span class = "s2" > are the same fields." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E042" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_db_table_comment< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > databases< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > db_table_comment< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "p" > []< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > db< / span > < span class = "ow" > in< / span > < span class = "n" > databases< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > router< / span > < span class = "o" > .< / span > < span class = "n" > allow_migrate_model< / span > < span class = "p" > (< / span > < span class = "n" > db< / span > < span class = "p" > ,< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "k" > continue< / span >
< span class = "n" > connection< / span > < span class = "o" > =< / span > < span class = "n" > connections< / span > < span class = "p" > [< / span > < span class = "n" > db< / span > < span class = "p" > ]< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "p" > (< / span >
< span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > features< / span > < span class = "o" > .< / span > < span class = "n" > supports_comments< / span >
< span class = "ow" > or< / span > < span class = "s2" > " supports_comments" < / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > required_db_features< / span >
< span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Warning< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > display_name< / span > < span class = "si" > }< / span > < span class = "s2" > does not support comments on " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " tables (db_table_comment)." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.W046" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_swappable< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Check if the swapped model exists." " " < / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > if< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > swapped< / span > < span class = "p" > :< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > apps< / span > < span class = "o" > .< / span > < span class = "n" > get_model< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > swapped< / span > < span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "ne" > ValueError< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' is not of the form ' app_label.app_name' ." < / span >
< span class = "o" > %< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > swappable< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E001" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > except< / span > < span class = "ne" > LookupError< / span > < span class = "p" > :< / span >
< span class = "n" > app_label< / span > < span class = "p" > ,< / span > < span class = "n" > model_name< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > swapped< / span > < span class = "o" > .< / span > < span class = "n" > split< / span > < span class = "p" > (< / span > < span class = "s2" > " ." < / span > < span class = "p" > )< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' references ' < / span > < span class = "si" > %s< / span > < span class = "s2" > .< / span > < span class = "si" > %s< / span > < span class = "s2" > ' , which has not been " < / span >
< span class = "s2" > " installed, or is abstract." < / span >
< span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > swappable< / span > < span class = "p" > ,< / span > < span class = "n" > app_label< / span > < span class = "p" > ,< / span > < span class = "n" > model_name< / span > < span class = "p" > ),< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E002" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_model< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > if< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > proxy< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "ow" > or< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_many_to_many< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " Proxy model ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' contains model fields." < / span > < span class = "o" > %< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E017" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_managers< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Perform all manager checks." " " < / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > manager< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > managers< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > extend< / span > < span class = "p" > (< / span > < span class = "n" > manager< / span > < span class = "o" > .< / span > < span class = "n" > check< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ))< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_fields< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Perform all field checks." " " < / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > extend< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > check< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ))< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_many_to_many< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > extend< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > check< / span > < span class = "p" > (< / span > < span class = "n" > from_model< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "o" > **< / span > < span class = "n" > kwargs< / span > < span class = "p" > ))< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_m2m_through_same_relationship< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Check if no relationship model is used by more than one m2m field." " " < / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > seen_intermediary_signatures< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_many_to_many< / span >
< span class = "c1" > # Skip when the target model wasn' t found.< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > model< / span > < span class = "p" > ,< / span > < span class = "n" > ModelBase< / span > < span class = "p" > ))< / span >
< span class = "c1" > # Skip when the relationship model wasn' t found.< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > through< / span > < span class = "p" > ,< / span > < span class = "n" > ModelBase< / span > < span class = "p" > ))< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "p" > :< / span >
< span class = "n" > signature< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > model< / span > < span class = "p" > ,< / span >
< span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > through< / span > < span class = "p" > ,< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > through_fields< / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > signature< / span > < span class = "ow" > in< / span > < span class = "n" > seen_intermediary_signatures< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " The model has two identical many-to-many relations " < / span >
< span class = "s2" > " through the intermediate model ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span >
< span class = "o" > %< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > through< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > label< / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E003" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > seen_intermediary_signatures< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > signature< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_id_field< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Check if `id` field is a primary key." " " < / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "n" > f< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "o" > ==< / span > < span class = "s2" > " id" < / span > < span class = "ow" > and< / span > < span class = "n" > f< / span > < span class = "o" > !=< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span >
< span class = "p" > ]< / span >
< span class = "c1" > # fields is empty or consists of the invalid " id" field< / span >
< span class = "k" > if< / span > < span class = "n" > fields< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > fields< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > primary_key< / span > < span class = "ow" > and< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "o" > ==< / span > < span class = "s2" > " id" < / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "p" > [< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' id' can only be used as a field name if the field also " < / span >
< span class = "s2" > " sets ' primary_key=True' ." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E004" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > ]< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "p" > []< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_field_name_clashes< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Forbid field shadowing in multi-table inheritance." " " < / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > used_fields< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span > < span class = "c1" > # name or attname -> field< / span >
< span class = "c1" > # Check that multi-inheritance doesn' t cause field name shadowing.< / span >
< span class = "k" > for< / span > < span class = "n" > parent< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > all_parents< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > parent< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > :< / span >
< span class = "n" > clash< / span > < span class = "o" > =< / span > < span class = "n" > used_fields< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > )< / span > < span class = "ow" > or< / span > < span class = "n" > used_fields< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span > < span class = "ow" > or< / span > < span class = "kc" > None< / span >
< span class = "k" > if< / span > < span class = "n" > clash< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " The field ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' from parent model " < / span >
< span class = "s2" > " ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' clashes with the field ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' " < / span >
< span class = "s2" > " from parent model ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span >
< span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > clash< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > clash< / span > < span class = "o" > .< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "p" > ),< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E005" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "n" > used_fields< / span > < span class = "p" > [< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > f< / span >
< span class = "n" > used_fields< / span > < span class = "p" > [< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > f< / span >
< span class = "c1" > # Check that fields defined in the model don' t clash with fields from< / span >
< span class = "c1" > # parents, including auto-generated fields like multi-table inheritance< / span >
< span class = "c1" > # child accessors.< / span >
< span class = "k" > for< / span > < span class = "n" > parent< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > all_parents< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > parent< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > get_fields< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "n" > used_fields< / span > < span class = "p" > :< / span >
< span class = "n" > used_fields< / span > < span class = "p" > [< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > f< / span >
< span class = "c1" > # Check that parent links in diamond-shaped MTI models don' t clash.< / span >
< span class = "k" > for< / span > < span class = "n" > parent_link< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > parents< / span > < span class = "o" > .< / span > < span class = "n" > values< / span > < span class = "p" > ():< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > parent_link< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "n" > clash< / span > < span class = "o" > =< / span > < span class = "n" > used_fields< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > parent_link< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > )< / span > < span class = "ow" > or< / span > < span class = "kc" > None< / span >
< span class = "k" > if< / span > < span class = "n" > clash< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " The field ' < / span > < span class = "si" > {< / span > < span class = "n" > parent_link< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "si" > }< / span > < span class = "s2" > ' clashes with the field " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " ' < / span > < span class = "si" > {< / span > < span class = "n" > clash< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "si" > }< / span > < span class = "s2" > ' from model ' < / span > < span class = "si" > {< / span > < span class = "n" > clash< / span > < span class = "o" > .< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "si" > }< / span > < span class = "s2" > ' ." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E006" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > :< / span >
< span class = "n" > clash< / span > < span class = "o" > =< / span > < span class = "n" > used_fields< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > )< / span > < span class = "ow" > or< / span > < span class = "n" > used_fields< / span > < span class = "o" > .< / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span > < span class = "ow" > or< / span > < span class = "kc" > None< / span >
< span class = "c1" > # Note that we may detect clash between user-defined non-unique< / span >
< span class = "c1" > # field " id" and automatically added unique field " id" , both< / span >
< span class = "c1" > # defined at the same model. This special case is considered in< / span >
< span class = "c1" > # _check_id_field and here we ignore it.< / span >
< span class = "n" > id_conflict< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "o" > ==< / span > < span class = "s2" > " id" < / span > < span class = "ow" > and< / span > < span class = "n" > clash< / span > < span class = "ow" > and< / span > < span class = "n" > clash< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "o" > ==< / span > < span class = "s2" > " id" < / span > < span class = "ow" > and< / span > < span class = "n" > clash< / span > < span class = "o" > .< / span > < span class = "n" > model< / span > < span class = "o" > ==< / span > < span class = "bp" > cls< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > clash< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > id_conflict< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " The field ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' clashes with the field ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' " < / span >
< span class = "s2" > " from model ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > clash< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > clash< / span > < span class = "o" > .< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "p" > ),< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "n" > f< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E006" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "n" > used_fields< / span > < span class = "p" > [< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > f< / span >
< span class = "n" > used_fields< / span > < span class = "p" > [< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > f< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_column_name_clashes< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "c1" > # Store a list of column names which have already been used by other fields.< / span >
< span class = "n" > used_column_names< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > :< / span >
< span class = "n" > column_name< / span > < span class = "o" > =< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > column< / span >
< span class = "c1" > # Ensure the column name is not already in use.< / span >
< span class = "k" > if< / span > < span class = "n" > column_name< / span > < span class = "ow" > and< / span > < span class = "n" > column_name< / span > < span class = "ow" > in< / span > < span class = "n" > used_column_names< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " Field ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' has column name ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' that is used by " < / span >
< span class = "s2" > " another field." < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > column_name< / span > < span class = "p" > ),< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "s2" > " Specify a ' db_column' for the field." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E007" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > used_column_names< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > column_name< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_model_name_db_lookup_clashes< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > model_name< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span >
< span class = "k" > if< / span > < span class = "n" > model_name< / span > < span class = "o" > .< / span > < span class = "n" > startswith< / span > < span class = "p" > (< / span > < span class = "s2" > " _" < / span > < span class = "p" > )< / span > < span class = "ow" > or< / span > < span class = "n" > model_name< / span > < span class = "o" > .< / span > < span class = "n" > endswith< / span > < span class = "p" > (< / span > < span class = "s2" > " _" < / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " The model name ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' cannot start or end with an underscore " < / span >
< span class = "s2" > " as it collides with the query lookup syntax." < / span > < span class = "o" > %< / span > < span class = "n" > model_name< / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E023" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > elif< / span > < span class = "n" > LOOKUP_SEP< / span > < span class = "ow" > in< / span > < span class = "n" > model_name< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " The model name ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' cannot contain double underscores as " < / span >
< span class = "s2" > " it collides with the query lookup syntax." < / span > < span class = "o" > %< / span > < span class = "n" > model_name< / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E024" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_property_name_related_field_accessor_clashes< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > property_names< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > _property_names< / span >
< span class = "n" > related_field_accessors< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > _get_fields< / span > < span class = "p" > (< / span > < span class = "n" > reverse< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > is_relation< / span > < span class = "ow" > and< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > related_model< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span >
< span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > accessor< / span > < span class = "ow" > in< / span > < span class = "n" > related_field_accessors< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > accessor< / span > < span class = "ow" > in< / span > < span class = "n" > property_names< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " The property ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' clashes with a related field " < / span >
< span class = "s2" > " accessor." < / span > < span class = "o" > %< / span > < span class = "n" > accessor< / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E025" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_single_primary_key< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > if< / span > < span class = "nb" > sum< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > primary_key< / span > < span class = "p" > )< / span > < span class = "o" > > < / span > < span class = "mi" > 1< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " The model cannot have more than one field with " < / span >
< span class = "s2" > " ' primary_key=True' ." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E026" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_unique_together< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Check the value of " unique_together" option." " " < / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > unique_together< / span > < span class = "p" > ,< / span > < span class = "p" > (< / span > < span class = "nb" > tuple< / span > < span class = "p" > ,< / span > < span class = "nb" > list< / span > < span class = "p" > )):< / span >
< span class = "k" > return< / span > < span class = "p" > [< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' unique_together' must be a list or tuple." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E010" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > ]< / span >
< span class = "k" > elif< / span > < span class = "nb" > any< / span > < span class = "p" > (< / span >
< span class = "ow" > not< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > fields< / span > < span class = "p" > ,< / span > < span class = "p" > (< / span > < span class = "nb" > tuple< / span > < span class = "p" > ,< / span > < span class = "nb" > list< / span > < span class = "p" > ))< / span >
< span class = "k" > for< / span > < span class = "n" > fields< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > unique_together< / span >
< span class = "p" > ):< / span >
< span class = "k" > return< / span > < span class = "p" > [< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " All ' unique_together' elements must be lists or tuples." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E011" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > ]< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > fields< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > unique_together< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > extend< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_local_fields< / span > < span class = "p" > (< / span > < span class = "n" > fields< / span > < span class = "p" > ,< / span > < span class = "s2" > " unique_together" < / span > < span class = "p" > ))< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_indexes< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > databases< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Check fields, names, and conditions of indexes." " " < / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > references< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > ()< / span >
< span class = "k" > for< / span > < span class = "n" > index< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > indexes< / span > < span class = "p" > :< / span >
< span class = "c1" > # Index name can' t start with an underscore or a number, restricted< / span >
< span class = "c1" > # for cross-database compatibility with Oracle.< / span >
< span class = "k" > if< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]< / span > < span class = "o" > ==< / span > < span class = "s2" > " _" < / span > < span class = "ow" > or< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > isdigit< / span > < span class = "p" > ():< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " The index name ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' cannot start with an underscore " < / span >
< span class = "s2" > " or a number." < / span > < span class = "o" > %< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E033" < / span > < span class = "p" > ,< / span >
< span class = "p" > ),< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > )< / span > < span class = "o" > > < / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > max_name_length< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " The index name ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' cannot be longer than < / span > < span class = "si" > %d< / span > < span class = "s2" > " < / span >
< span class = "s2" > " characters." < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > max_name_length< / span > < span class = "p" > ),< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E034" < / span > < span class = "p" > ,< / span >
< span class = "p" > ),< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > contains_expressions< / span > < span class = "p" > :< / span >
< span class = "k" > for< / span > < span class = "n" > expression< / span > < span class = "ow" > in< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > expressions< / span > < span class = "p" > :< / span >
< span class = "n" > references< / span > < span class = "o" > .< / span > < span class = "n" > update< / span > < span class = "p" > (< / span >
< span class = "n" > ref< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]< / span > < span class = "k" > for< / span > < span class = "n" > ref< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _get_expr_references< / span > < span class = "p" > (< / span > < span class = "n" > expression< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > db< / span > < span class = "ow" > in< / span > < span class = "n" > databases< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > router< / span > < span class = "o" > .< / span > < span class = "n" > allow_migrate_model< / span > < span class = "p" > (< / span > < span class = "n" > db< / span > < span class = "p" > ,< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "k" > continue< / span >
< span class = "n" > connection< / span > < span class = "o" > =< / span > < span class = "n" > connections< / span > < span class = "p" > [< / span > < span class = "n" > db< / span > < span class = "p" > ]< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "p" > (< / span >
< span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > features< / span > < span class = "o" > .< / span > < span class = "n" > supports_partial_indexes< / span >
< span class = "ow" > or< / span > < span class = "s2" > " supports_partial_indexes" < / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > required_db_features< / span >
< span class = "p" > )< / span > < span class = "ow" > and< / span > < span class = "nb" > any< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > condition< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "k" > for< / span > < span class = "n" > index< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > indexes< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Warning< / span > < span class = "p" > (< / span >
< span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > does not support indexes with conditions." < / span >
< span class = "o" > %< / span > < span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > display_name< / span > < span class = "p" > ,< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "s2" > " Conditions will be ignored. Silence this warning " < / span >
< span class = "s2" > " if you don' t care about it." < / span >
< span class = "p" > ),< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.W037" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "p" > (< / span >
< span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > features< / span > < span class = "o" > .< / span > < span class = "n" > supports_covering_indexes< / span >
< span class = "ow" > or< / span > < span class = "s2" > " supports_covering_indexes" < / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > required_db_features< / span >
< span class = "p" > )< / span > < span class = "ow" > and< / span > < span class = "nb" > any< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > include< / span > < span class = "k" > for< / span > < span class = "n" > index< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > indexes< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Warning< / span > < span class = "p" > (< / span >
< span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > does not support indexes with non-key columns." < / span >
< span class = "o" > %< / span > < span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > display_name< / span > < span class = "p" > ,< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "s2" > " Non-key columns will be ignored. Silence this " < / span >
< span class = "s2" > " warning if you don' t care about it." < / span >
< span class = "p" > ),< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.W040" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "p" > (< / span >
< span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > features< / span > < span class = "o" > .< / span > < span class = "n" > supports_expression_indexes< / span >
< span class = "ow" > or< / span > < span class = "s2" > " supports_expression_indexes" < / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > required_db_features< / span >
< span class = "p" > )< / span > < span class = "ow" > and< / span > < span class = "nb" > any< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > contains_expressions< / span > < span class = "k" > for< / span > < span class = "n" > index< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > indexes< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Warning< / span > < span class = "p" > (< / span >
< span class = "s2" > " < / span > < span class = "si" > %s< / span > < span class = "s2" > does not support indexes on expressions." < / span >
< span class = "o" > %< / span > < span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > display_name< / span > < span class = "p" > ,< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "s2" > " An index won' t be created. Silence this warning " < / span >
< span class = "s2" > " if you don' t care about it." < / span >
< span class = "p" > ),< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.W043" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "n" > field< / span > < span class = "k" > for< / span > < span class = "n" > index< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > indexes< / span > < span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span > < span class = "n" > _< / span > < span class = "ow" > in< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > fields_orders< / span >
< span class = "p" > ]< / span >
< span class = "n" > fields< / span > < span class = "o" > +=< / span > < span class = "p" > [< / span > < span class = "n" > include< / span > < span class = "k" > for< / span > < span class = "n" > index< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > indexes< / span > < span class = "k" > for< / span > < span class = "n" > include< / span > < span class = "ow" > in< / span > < span class = "n" > index< / span > < span class = "o" > .< / span > < span class = "n" > include< / span > < span class = "p" > ]< / span >
< span class = "n" > fields< / span > < span class = "o" > +=< / span > < span class = "n" > references< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > extend< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _check_local_fields< / span > < span class = "p" > (< / span > < span class = "n" > fields< / span > < span class = "p" > ,< / span > < span class = "s2" > " indexes" < / span > < span class = "p" > ))< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_local_fields< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > fields< / span > < span class = "p" > ,< / span > < span class = "n" > option< / span > < span class = "p" > ):< / span >
< span class = "kn" > from< / span > < span class = "w" > < / span > < span class = "nn" > django.db< / span > < span class = "w" > < / span > < span class = "kn" > import< / span > < span class = "n" > models< / span >
< span class = "c1" > # In order to avoid hitting the relation tree prematurely, we use our< / span >
< span class = "c1" > # own fields_map instead of using get_field()< / span >
< span class = "n" > forward_fields_map< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > _get_fields< / span > < span class = "p" > (< / span > < span class = "n" > reverse< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ):< / span >
< span class = "n" > forward_fields_map< / span > < span class = "p" > [< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > field< / span >
< span class = "k" > if< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span > < span class = "s2" > " attname" < / span > < span class = "p" > ):< / span >
< span class = "n" > forward_fields_map< / span > < span class = "p" > [< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > field< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > field_name< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "p" > :< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "n" > field< / span > < span class = "o" > =< / span > < span class = "n" > forward_fields_map< / span > < span class = "p" > [< / span > < span class = "n" > field_name< / span > < span class = "p" > ]< / span >
< span class = "k" > except< / span > < span class = "ne" > KeyError< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' refers to the nonexistent field ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span >
< span class = "o" > %< / span > < span class = "p" > (< / span >
< span class = "n" > option< / span > < span class = "p" > ,< / span >
< span class = "n" > field_name< / span > < span class = "p" > ,< / span >
< span class = "p" > ),< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E012" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "p" > ,< / span > < span class = "n" > models< / span > < span class = "o" > .< / span > < span class = "n" > ManyToManyRel< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' refers to a ManyToManyField ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' , but " < / span >
< span class = "s2" > " ManyToManyFields are not permitted in ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span >
< span class = "o" > %< / span > < span class = "p" > (< / span >
< span class = "n" > option< / span > < span class = "p" > ,< / span >
< span class = "n" > field_name< / span > < span class = "p" > ,< / span >
< span class = "n" > option< / span > < span class = "p" > ,< / span >
< span class = "p" > ),< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E013" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > elif< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span > < span class = "n" > models< / span > < span class = "o" > .< / span > < span class = "n" > CompositePrimaryKey< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > option< / span > < span class = "si" > !r}< / span > < span class = "s2" > refers to a CompositePrimaryKey " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > field_name< / span > < span class = "si" > !r}< / span > < span class = "s2" > , but CompositePrimaryKeys are not " < / span >
< span class = "sa" > f< / span > < span class = "s2" > " permitted in < / span > < span class = "si" > {< / span > < span class = "n" > option< / span > < span class = "si" > !r}< / span > < span class = "s2" > ." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E048" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > elif< / span > < span class = "n" > field< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' refers to field ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' which is not local to model " < / span >
< span class = "s2" > " ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span > < span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > option< / span > < span class = "p" > ,< / span > < span class = "n" > field_name< / span > < span class = "p" > ,< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > object_name< / span > < span class = "p" > ),< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "s2" > " This issue may be caused by multi-table inheritance." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E016" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_ordering< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Check " ordering" option -- is it a list of strings and do all fields< / span >
< span class = "sd" > exist?< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > if< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > _ordering_clash< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "p" > [< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' ordering' and ' order_with_respect_to' cannot be used together." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E021" < / span > < span class = "p" > ,< / span >
< span class = "p" > ),< / span >
< span class = "p" > ]< / span >
< span class = "k" > if< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > order_with_respect_to< / span > < span class = "ow" > or< / span > < span class = "ow" > not< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > ordering< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "p" > []< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > ordering< / span > < span class = "p" > ,< / span > < span class = "p" > (< / span > < span class = "nb" > list< / span > < span class = "p" > ,< / span > < span class = "nb" > tuple< / span > < span class = "p" > )):< / span >
< span class = "k" > return< / span > < span class = "p" > [< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' ordering' must be a tuple or list (even if you want to order by " < / span >
< span class = "s2" > " only one field)." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E014" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > ]< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > ordering< / span >
< span class = "c1" > # Skip expressions and ' ?' fields.< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > ,< / span > < span class = "nb" > str< / span > < span class = "p" > )< / span > < span class = "ow" > and< / span > < span class = "n" > f< / span > < span class = "o" > !=< / span > < span class = "s2" > " ?" < / span > < span class = "p" > )< / span >
< span class = "c1" > # Convert " -field" to " field" .< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > removeprefix< / span > < span class = "p" > (< / span > < span class = "s2" > " -" < / span > < span class = "p" > )< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "p" > )< / span >
< span class = "c1" > # Separate related fields and non-related fields.< / span >
< span class = "n" > _fields< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > related_fields< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > LOOKUP_SEP< / span > < span class = "ow" > in< / span > < span class = "n" > f< / span > < span class = "p" > :< / span >
< span class = "n" > related_fields< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > _fields< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "p" > )< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "n" > _fields< / span >
< span class = "c1" > # Check related fields.< / span >
< span class = "k" > for< / span > < span class = "n" > field< / span > < span class = "ow" > in< / span > < span class = "n" > related_fields< / span > < span class = "p" > :< / span >
< span class = "n" > _cls< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span >
< span class = "n" > fld< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "k" > for< / span > < span class = "n" > part< / span > < span class = "ow" > in< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > split< / span > < span class = "p" > (< / span > < span class = "n" > LOOKUP_SEP< / span > < span class = "p" > ):< / span >
< span class = "k" > try< / span > < span class = "p" > :< / span >
< span class = "c1" > # pk is an alias that won' t be found by opts.get_field.< / span >
< span class = "k" > if< / span > < span class = "n" > part< / span > < span class = "o" > ==< / span > < span class = "s2" > " pk" < / span > < span class = "p" > :< / span >
< span class = "n" > fld< / span > < span class = "o" > =< / span > < span class = "n" > _cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > fld< / span > < span class = "o" > =< / span > < span class = "n" > _cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > get_field< / span > < span class = "p" > (< / span > < span class = "n" > part< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > fld< / span > < span class = "o" > .< / span > < span class = "n" > is_relation< / span > < span class = "p" > :< / span >
< span class = "n" > _cls< / span > < span class = "o" > =< / span > < span class = "n" > fld< / span > < span class = "o" > .< / span > < span class = "n" > path_infos< / span > < span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "mi" > 1< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > to_opts< / span > < span class = "o" > .< / span > < span class = "n" > model< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > _cls< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "k" > except< / span > < span class = "p" > (< / span > < span class = "n" > FieldDoesNotExist< / span > < span class = "p" > ,< / span > < span class = "ne" > AttributeError< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "n" > fld< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "ow" > or< / span > < span class = "p" > (< / span >
< span class = "n" > fld< / span > < span class = "o" > .< / span > < span class = "n" > get_transform< / span > < span class = "p" > (< / span > < span class = "n" > part< / span > < span class = "p" > )< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "ow" > and< / span > < span class = "n" > fld< / span > < span class = "o" > .< / span > < span class = "n" > get_lookup< / span > < span class = "p" > (< / span > < span class = "n" > part< / span > < span class = "p" > )< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span >
< span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' ordering' refers to the nonexistent field, " < / span >
< span class = "s2" > " related field, or lookup ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span > < span class = "o" > %< / span > < span class = "n" > field< / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E015" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "c1" > # Skip ordering on pk. This is always a valid order_by field< / span >
< span class = "c1" > # but is an alias and therefore won' t be found by opts.get_field.< / span >
< span class = "n" > fields< / span > < span class = "o" > =< / span > < span class = "p" > {< / span > < span class = "n" > f< / span > < span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > fields< / span > < span class = "k" > if< / span > < span class = "n" > f< / span > < span class = "o" > !=< / span > < span class = "s2" > " pk" < / span > < span class = "p" > }< / span >
< span class = "c1" > # Check for invalid or nonexistent fields in ordering.< / span >
< span class = "n" > invalid_fields< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "c1" > # Any field name that is not present in field_names does not exist.< / span >
< span class = "c1" > # Also, ordering by m2m fields is not allowed.< / span >
< span class = "n" > opts< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span >
< span class = "n" > valid_fields< / span > < span class = "o" > =< / span > < span class = "nb" > set< / span > < span class = "p" > (< / span >
< span class = "n" > chain< / span > < span class = "o" > .< / span > < span class = "n" > from_iterable< / span > < span class = "p" > (< / span >
< span class = "p" > (< / span >
< span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "p" > ,< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > attname< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > auto_created< / span > < span class = "ow" > and< / span > < span class = "ow" > not< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > concrete< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > field< / span > < span class = "o" > .< / span > < span class = "n" > related_query_name< / span > < span class = "p" > (),)< / span >
< span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "n" > chain< / span > < span class = "p" > (< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > fields< / span > < span class = "p" > ,< / span > < span class = "n" > opts< / span > < span class = "o" > .< / span > < span class = "n" > related_objects< / span > < span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "n" > invalid_fields< / span > < span class = "o" > .< / span > < span class = "n" > extend< / span > < span class = "p" > (< / span > < span class = "n" > fields< / span > < span class = "o" > -< / span > < span class = "n" > valid_fields< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > invalid_field< / span > < span class = "ow" > in< / span > < span class = "n" > invalid_fields< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " ' ordering' refers to the nonexistent field, related " < / span >
< span class = "s2" > " field, or lookup ' < / span > < span class = "si" > %s< / span > < span class = "s2" > ' ." < / span > < span class = "o" > %< / span > < span class = "n" > invalid_field< / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E015" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_long_column_names< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > databases< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " < / span >
< span class = "sd" > Check that any auto-generated column names are shorter than the limits< / span >
< span class = "sd" > for each database in which the model will be created.< / span >
< span class = "sd" > " " " < / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > databases< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "p" > []< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "n" > allowed_len< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "n" > db_alias< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< span class = "c1" > # Find the minimum max allowed length among all specified db_aliases.< / span >
< span class = "k" > for< / span > < span class = "n" > db< / span > < span class = "ow" > in< / span > < span class = "n" > databases< / span > < span class = "p" > :< / span >
< span class = "c1" > # skip databases where the model won' t be created< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > router< / span > < span class = "o" > .< / span > < span class = "n" > allow_migrate_model< / span > < span class = "p" > (< / span > < span class = "n" > db< / span > < span class = "p" > ,< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "k" > continue< / span >
< span class = "n" > connection< / span > < span class = "o" > =< / span > < span class = "n" > connections< / span > < span class = "p" > [< / span > < span class = "n" > db< / span > < span class = "p" > ]< / span >
< span class = "n" > max_name_length< / span > < span class = "o" > =< / span > < span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > ops< / span > < span class = "o" > .< / span > < span class = "n" > max_name_length< / span > < span class = "p" > ()< / span >
< span class = "k" > if< / span > < span class = "n" > max_name_length< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "ow" > or< / span > < span class = "n" > connection< / span > < span class = "o" > .< / span > < span class = "n" > features< / span > < span class = "o" > .< / span > < span class = "n" > truncates_names< / span > < span class = "p" > :< / span >
< span class = "k" > continue< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > allowed_len< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "n" > allowed_len< / span > < span class = "o" > =< / span > < span class = "n" > max_name_length< / span >
< span class = "n" > db_alias< / span > < span class = "o" > =< / span > < span class = "n" > db< / span >
< span class = "k" > elif< / span > < span class = "n" > max_name_length< / span > < span class = "o" > < < / span > < span class = "n" > allowed_len< / span > < span class = "p" > :< / span >
< span class = "n" > allowed_len< / span > < span class = "o" > =< / span > < span class = "n" > max_name_length< / span >
< span class = "n" > db_alias< / span > < span class = "o" > =< / span > < span class = "n" > db< / span >
< span class = "k" > if< / span > < span class = "n" > allowed_len< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > :< / span >
< span class = "c1" > # Check if auto-generated name for the field is too long< / span >
< span class = "c1" > # for the database.< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span >
< span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > db_column< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span >
< span class = "ow" > and< / span > < span class = "p" > (< / span > < span class = "n" > column_name< / span > < span class = "o" > :=< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > column< / span > < span class = "p" > )< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span >
< span class = "ow" > and< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > column_name< / span > < span class = "p" > )< / span > < span class = "o" > > < / span > < span class = "n" > allowed_len< / span >
< span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s1" > ' Autogenerated column name too long for field " < / span > < span class = "si" > %s< / span > < span class = "s1" > " . ' < / span >
< span class = "s1" > ' Maximum length is " < / span > < span class = "si" > %s< / span > < span class = "s1" > " for database " < / span > < span class = "si" > %s< / span > < span class = "s1" > " .' < / span >
< span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > column_name< / span > < span class = "p" > ,< / span > < span class = "n" > allowed_len< / span > < span class = "p" > ,< / span > < span class = "n" > db_alias< / span > < span class = "p" > ),< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "s2" > " Set the column name manually using ' db_column' ." < / span > < span class = "p" > ,< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E018" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > f< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_many_to_many< / span > < span class = "p" > :< / span >
< span class = "c1" > # Skip nonexistent models.< / span >
< span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > through< / span > < span class = "p" > ,< / span > < span class = "nb" > str< / span > < span class = "p" > ):< / span >
< span class = "k" > continue< / span >
< span class = "c1" > # Check if auto-generated name for the M2M field is too long< / span >
< span class = "c1" > # for the database.< / span >
< span class = "k" > for< / span > < span class = "n" > m2m< / span > < span class = "ow" > in< / span > < span class = "n" > f< / span > < span class = "o" > .< / span > < span class = "n" > remote_field< / span > < span class = "o" > .< / span > < span class = "n" > through< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > local_fields< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span >
< span class = "n" > m2m< / span > < span class = "o" > .< / span > < span class = "n" > db_column< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span >
< span class = "ow" > and< / span > < span class = "p" > (< / span > < span class = "n" > rel_name< / span > < span class = "o" > :=< / span > < span class = "n" > m2m< / span > < span class = "o" > .< / span > < span class = "n" > column< / span > < span class = "p" > )< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span >
< span class = "ow" > and< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > rel_name< / span > < span class = "p" > )< / span > < span class = "o" > > < / span > < span class = "n" > allowed_len< / span >
< span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span >
< span class = "n" > checks< / span > < span class = "o" > .< / span > < span class = "n" > Error< / span > < span class = "p" > (< / span >
< span class = "s2" > " Autogenerated column name too long for M2M field " < / span >
< span class = "s1" > ' " < / span > < span class = "si" > %s< / span > < span class = "s1" > " . Maximum length is " < / span > < span class = "si" > %s< / span > < span class = "s1" > " for database " < / span > < span class = "si" > %s< / span > < span class = "s1" > " .' < / span >
< span class = "o" > %< / span > < span class = "p" > (< / span > < span class = "n" > rel_name< / span > < span class = "p" > ,< / span > < span class = "n" > allowed_len< / span > < span class = "p" > ,< / span > < span class = "n" > db_alias< / span > < span class = "p" > ),< / span >
< span class = "n" > hint< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "s2" > " Use ' through' to create a separate model for " < / span >
< span class = "s2" > " M2M and then set column_name using ' db_column' ." < / span >
< span class = "p" > ),< / span >
< span class = "n" > obj< / span > < span class = "o" > =< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span >
< span class = "nb" > id< / span > < span class = "o" > =< / span > < span class = "s2" > " models.E019" < / span > < span class = "p" > ,< / span >
< span class = "p" > )< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _get_expr_references< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > expr< / span > < span class = "p" > ):< / span >
< span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > expr< / span > < span class = "p" > ,< / span > < span class = "n" > Q< / span > < span class = "p" > ):< / span >
< span class = "k" > for< / span > < span class = "n" > child< / span > < span class = "ow" > in< / span > < span class = "n" > expr< / span > < span class = "o" > .< / span > < span class = "n" > children< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > child< / span > < span class = "p" > ,< / span > < span class = "nb" > tuple< / span > < span class = "p" > ):< / span >
< span class = "n" > lookup< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "o" > =< / span > < span class = "n" > child< / span >
< span class = "k" > yield< / span > < span class = "nb" > tuple< / span > < span class = "p" > (< / span > < span class = "n" > lookup< / span > < span class = "o" > .< / span > < span class = "n" > split< / span > < span class = "p" > (< / span > < span class = "n" > LOOKUP_SEP< / span > < span class = "p" > ))< / span >
< span class = "k" > yield from< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _get_expr_references< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "k" > yield from< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _get_expr_references< / span > < span class = "p" > (< / span > < span class = "n" > child< / span > < span class = "p" > )< / span >
< span class = "k" > elif< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > expr< / span > < span class = "p" > ,< / span > < span class = "n" > F< / span > < span class = "p" > ):< / span >
< span class = "k" > yield< / span > < span class = "nb" > tuple< / span > < span class = "p" > (< / span > < span class = "n" > expr< / span > < span class = "o" > .< / span > < span class = "n" > name< / span > < span class = "o" > .< / span > < span class = "n" > split< / span > < span class = "p" > (< / span > < span class = "n" > LOOKUP_SEP< / span > < span class = "p" > ))< / span >
< span class = "k" > elif< / span > < span class = "nb" > hasattr< / span > < span class = "p" > (< / span > < span class = "n" > expr< / span > < span class = "p" > ,< / span > < span class = "s2" > " get_source_expressions" < / span > < span class = "p" > ):< / span >
< span class = "k" > for< / span > < span class = "n" > src_expr< / span > < span class = "ow" > in< / span > < span class = "n" > expr< / span > < span class = "o" > .< / span > < span class = "n" > get_source_expressions< / span > < span class = "p" > ():< / span >
< span class = "k" > yield from< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _get_expr_references< / span > < span class = "p" > (< / span > < span class = "n" > src_expr< / span > < span class = "p" > )< / span >
< span class = "nd" > @classmethod< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > _check_constraints< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > databases< / span > < span class = "p" > ):< / span >
< span class = "n" > errors< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< span class = "k" > for< / span > < span class = "n" > db< / span > < span class = "ow" > in< / span > < span class = "n" > databases< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > router< / span > < span class = "o" > .< / span > < span class = "n" > allow_migrate_model< / span > < span class = "p" > (< / span > < span class = "n" > db< / span > < span class = "p" > ,< / span > < span class = "bp" > cls< / span > < span class = "p" > ):< / span >
< span class = "k" > continue< / span >
< span class = "n" > connection< / span > < span class = "o" > =< / span > < span class = "n" > connections< / span > < span class = "p" > [< / span > < span class = "n" > db< / span > < span class = "p" > ]< / span >
< span class = "k" > for< / span > < span class = "n" > constraint< / span > < span class = "ow" > in< / span > < span class = "bp" > cls< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > constraints< / span > < span class = "p" > :< / span >
< span class = "n" > errors< / span > < span class = "o" > .< / span > < span class = "n" > extend< / span > < span class = "p" > (< / span > < span class = "n" > constraint< / span > < span class = "o" > .< / span > < span class = "n" > _check< / span > < span class = "p" > (< / span > < span class = "bp" > cls< / span > < span class = "p" > ,< / span > < span class = "n" > connection< / span > < span class = "p" > ))< / span >
< span class = "k" > return< / span > < span class = "n" > errors< / span >
< span class = "c1" > ############################################< / span >
< span class = "c1" > # HELPER FUNCTIONS (CURRIED MODEL METHODS) #< / span >
< span class = "c1" > ############################################< / span >
< span class = "c1" > # ORDERING METHODS #########################< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > method_set_order< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > ordered_obj< / span > < span class = "p" > ,< / span > < span class = "n" > id_list< / span > < span class = "p" > ,< / span > < span class = "n" > using< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "n" > order_wrt< / span > < span class = "o" > =< / span > < span class = "n" > ordered_obj< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > order_with_respect_to< / span >
< span class = "n" > filter_args< / span > < span class = "o" > =< / span > < span class = "n" > order_wrt< / span > < span class = "o" > .< / span > < span class = "n" > get_forward_related_filter< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "n" > ordered_obj< / span > < span class = "o" > .< / span > < span class = "n" > objects< / span > < span class = "o" > .< / span > < span class = "n" > db_manager< / span > < span class = "p" > (< / span > < span class = "n" > using< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > filter_args< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > bulk_update< / span > < span class = "p" > (< / span >
< span class = "p" > [< / span > < span class = "n" > ordered_obj< / span > < span class = "p" > (< / span > < span class = "n" > pk< / span > < span class = "o" > =< / span > < span class = "n" > pk< / span > < span class = "p" > ,< / span > < span class = "n" > _order< / span > < span class = "o" > =< / span > < span class = "n" > order< / span > < span class = "p" > )< / span > < span class = "k" > for< / span > < span class = "n" > order< / span > < span class = "p" > ,< / span > < span class = "n" > pk< / span > < span class = "ow" > in< / span > < span class = "nb" > enumerate< / span > < span class = "p" > (< / span > < span class = "n" > id_list< / span > < span class = "p" > )],< / span >
< span class = "p" > [< / span > < span class = "s2" > " _order" < / span > < span class = "p" > ],< / span >
< span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > method_get_order< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > ordered_obj< / span > < span class = "p" > ):< / span >
< span class = "n" > order_wrt< / span > < span class = "o" > =< / span > < span class = "n" > ordered_obj< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > order_with_respect_to< / span >
< span class = "n" > filter_args< / span > < span class = "o" > =< / span > < span class = "n" > order_wrt< / span > < span class = "o" > .< / span > < span class = "n" > get_forward_related_filter< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span >
< span class = "n" > pk_name< / span > < span class = "o" > =< / span > < span class = "n" > ordered_obj< / span > < span class = "o" > .< / span > < span class = "n" > _meta< / span > < span class = "o" > .< / span > < span class = "n" > pk< / span > < span class = "o" > .< / span > < span class = "n" > name< / span >
< span class = "k" > return< / span > < span class = "n" > ordered_obj< / span > < span class = "o" > .< / span > < span class = "n" > objects< / span > < span class = "o" > .< / span > < span class = "n" > filter< / span > < span class = "p" > (< / span > < span class = "o" > **< / span > < span class = "n" > filter_args< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > values_list< / span > < span class = "p" > (< / span > < span class = "n" > pk_name< / span > < span class = "p" > ,< / span > < span class = "n" > flat< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span > < span class = "p" > )< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > make_foreign_order_accessors< / span > < span class = "p" > (< / span > < span class = "n" > model< / span > < span class = "p" > ,< / span > < span class = "n" > related_model< / span > < span class = "p" > ):< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span >
< span class = "n" > related_model< / span > < span class = "p" > ,< / span >
< span class = "s2" > " get_< / span > < span class = "si" > %s< / span > < span class = "s2" > _order" < / span > < span class = "o" > %< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span > < span class = "o" > .< / span > < span class = "n" > lower< / span > < span class = "p" > (),< / span >
< span class = "n" > partialmethod< / span > < span class = "p" > (< / span > < span class = "n" > method_get_order< / span > < span class = "p" > ,< / span > < span class = "n" > model< / span > < span class = "p" > ),< / span >
< span class = "p" > )< / span >
< span class = "nb" > setattr< / span > < span class = "p" > (< / span >
< span class = "n" > related_model< / span > < span class = "p" > ,< / span >
< span class = "s2" > " set_< / span > < span class = "si" > %s< / span > < span class = "s2" > _order" < / span > < span class = "o" > %< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "vm" > __name__< / span > < span class = "o" > .< / span > < span class = "n" > lower< / span > < span class = "p" > (),< / span >
< span class = "n" > partialmethod< / span > < span class = "p" > (< / span > < span class = "n" > method_set_order< / span > < span class = "p" > ,< / span > < span class = "n" > model< / span > < span class = "p" > ),< / span >
< span class = "p" > )< / span >
< span class = "c1" > ########< / span >
< span class = "c1" > # MISC #< / span >
< span class = "c1" > ########< / span >
< span class = "k" > def< / span > < span class = "w" > < / span > < span class = "nf" > model_unpickle< / span > < span class = "p" > (< / span > < span class = "n" > model_id< / span > < span class = "p" > ):< / span >
< span class = "w" > < / span > < span class = "sd" > " " " Used to unpickle Model subclasses with deferred fields." " " < / span >
< span class = "k" > if< / span > < span class = "nb" > isinstance< / span > < span class = "p" > (< / span > < span class = "n" > model_id< / span > < span class = "p" > ,< / span > < span class = "nb" > tuple< / span > < span class = "p" > ):< / span >
< span class = "n" > model< / span > < span class = "o" > =< / span > < span class = "n" > apps< / span > < span class = "o" > .< / span > < span class = "n" > get_model< / span > < span class = "p" > (< / span > < span class = "o" > *< / span > < span class = "n" > model_id< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "c1" > # Backwards compat - the model was cached directly in earlier versions.< / span >
< span class = "n" > model< / span > < span class = "o" > =< / span > < span class = "n" > model_id< / span >
< span class = "k" > return< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "fm" > __new__< / span > < span class = "p" > (< / span > < span class = "n" > model< / span > < span class = "p" > )< / span >
< span class = "n" > model_unpickle< / span > < span class = "o" > .< / span > < span class = "n" > __safe_for_unpickle__< / span > < span class = "o" > =< / span > < span class = "kc" > True< / span >
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