looks fine to me, would need full stack trace + single script file of runnable, reproducing code, thanks.
On Nov 18, 2010, at 6:37 PM, Alvaro Reinoso wrote: > Hello, > > When trying to add a new item doing: > > session = session.add(mediaGroup) > > I got this error: > > Module sqlalchemy.orm.attributes:834 in get_collection > return getattr(user_data, '_sa_adapter') > class GenericBackrefExtension(interfaces.AttributeExtension):>> > return getattr(user_data, '_sa_adapter') > > "AttributeError: 'list' object has no attribute '_sa_adapter'" > > This object's class: > > class ScreenGroup(rdb.Model): > """The ScreenGroup is a class derived from ScreenGroup, it is used to > control users within a group""" > rdb.metadata(metadata) > rdb.tablename("screen_groups") > > id = Column("id", Integer, primary_key=True) > title = Column("title", String(100)) > parents = Column("parents", String(512)) > > screens = relationship("Screen", secondary=group_screens, > order_by="Screen.title", backref="screen_groups") > screenGroups = relationship("ScreenGroup", > secondary=screen_group_groups, order_by="ScreenGroup.title", > primaryjoin=lambda: ScreenGroup.id == > screen_group_groups.c.screen_groupA_id, > secondaryjoin=lambda: ScreenGroup.id == > screen_group_groups.c.screen_groupB_id, > backref="screen_groups") > > Thanks in advance! > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To post to this group, send email to sqlalch...@googlegroups.com. > To unsubscribe from this group, send email to > sqlalchemy+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/sqlalchemy?hl=en. > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalch...@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.