Migrations work under sqlite3, both from latest dev, from new install and from trunk. There might be some consistency issues though (it seems the character list is not properly migrated), so more testing is required.

src/objects/migrations/0010_converting_attributes.py

@@ -9,7 +9,7 @@ try:
 except ImportError:
     import pickle
 from src.utils.utils import to_str, to_unicode
-from src.typeclasses.models import PackedDBobject
+#from src.typeclasses.models import PackedDBobject
 
 from django.contrib.contenttypes.models import ContentType
 CTYPEGET = ContentType.objects.get
@@ -17,6 +17,37 @@ GA = object.__getattribute__
 SA = object.__setattr__
 DA = object.__delattr__
 
+class PackedDBobject(object):
+    """
+    Attribute helper class.
+    A container for storing and easily identifying database objects in
+    the database (which doesn't suppport storing db_objects directly).
+    """
+    def __init__(self, ID, db_model, db_key):
+        self.id = ID
+        self.db_model = db_model
+        self.key = db_key
+    def __str__(self):
+        return "%s(#%s)" % (self.key, self.id)
+    def __unicode__(self):
+        return u"%s(#%s)" % (self.key, self.id)
+
+class PackedDBobject(object):
+    """
+    Attribute helper class.
+    A container for storing and easily identifying database objects in
+    the database (which doesn't suppport storing db_objects directly).
+    """
+    def __init__(self, ID, db_model, db_key):
+        self.id = ID
+        self.db_model = db_model
+        self.key = db_key
+    def __str__(self):
+        return "%s(#%s)" % (self.key, self.id)
+    def __unicode__(self):
+        return u"%s(#%s)" % (self.key, self.id)
+
+
 class PackedDict(dict):
     """
     Attribute helper class.