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Removed FULL_PERSISTENCE setting. It was a "feature" that was added at a time when caching was more inefficient than now. Also the new reload mechanism make FULL_PERSISTENCE=False unfeasable. Use ndb explicitly for non-persistence.

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This commit is contained in:
Griatch 2011-10-01 15:10:21 +02:00
parent 679524bd4a
commit 0a1bcd36c2
4 changed files with 12 additions and 40 deletions
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26
src/typeclasses/typeclass.py
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@ -24,10 +24,6 @@ PROTECTED = ['id', 'dbobj', 'db', 'ndb', 'objects', 'typeclass',
# If this is true, all non-protected property assignments
# are directly stored to a database attribute
try:
FULL_PERSISTENCE = settings.FULL_PERSISTENCE
except AttributeError:
FULL_PERSISTENCE = True
class MetaTypeClass(type):
"""
@ -120,13 +116,13 @@ class TypeClass(object):
return object.__getattribute__(dbobj, propname)
except AttributeError:
try:
if FULL_PERSISTENCE and propname != 'ndb':
if propname != 'ndb':
if not dbobj.has_attribute(propname):
raise AttributeError
else:
value = dbobj.get_attribute(propname)
else:
# Not FULL_PERSISTENCE
# get non-persistent data
ndb = object.__getattribute__(dbobj, 'ndb')
value = getattr(ndb, propname)
return value
@ -165,12 +161,8 @@ class TypeClass(object):
if hasattr(dbobj, propname):
# only if attr already exists on dbobj, assign to it.
object.__setattr__(dbobj, propname, value)
elif FULL_PERSISTENCE:
else:
dbobj.set_attribute(propname, value)
else:
# not FULL_PERSISTENCE
ndb = object.__getattribute__(dbobj, 'ndb')
setattr(ndb, propname, value)
else:
object.__setattr__(self, propname, value)
@ -187,7 +179,7 @@ class TypeClass(object):
def __delattr__(self, propname):
"""
Transparently deletes data from the typeclass or dbobj by first searching on the typeclass,
secondly on the dbobj.db or ndb depending on FULL_PERSISTENCE setting.
secondly on the dbobj.db.
Will not allow deletion of properties stored directly on dbobj.
"""
try:
@ -210,13 +202,9 @@ class TypeClass(object):
logger.log_trace("This is probably due to an unsafe reload.")
return # ignore delete
try:
if FULL_PERSISTENCE:
if not dbobj.has_attribute(propname):
raise AttributeError
dbobj.del_attribute(propname)
else:
ndb = object.__getattribute__(dbobj, 'ndb')
ndb.__delattr__(propname)
if not dbobj.has_attribute(propname):
raise AttributeError
dbobj.del_attribute(propname)
except AttributeError:
string = "Object: '%s' not found on %s(%s), nor on its typeclass %s."
raise AttributeError(string % (propname, dbobj,