This problem seems to appear with SQLAlchemy 0.8 and above. A correction works for me and has been accepted here : https://github.com/monetizeio/sqlalchemy-orm-tree/pull/1
Le vendredi 25 janvier 2013 01:50:50 UTC+1, Pirate Fibonacci a écrit : > > > Mark, > > I'm trying to test run your above example with SQLAlchemy-ORM-tree-0.1.2 > and SQLAlchemy-0.8.0b2 > > i get the following traceback, any suggestions, thanks > > Traceback (most recent call last): > File "./t.py", line 28, in <module> > Node.tree.register() > File > "/nfs/disks/rel/SQLAlchemy-ORM-tree-0.1.2/sqlalchemy_tree/manager/unmapped.py", > > line 216, in __get__ > return self._get_class_manager(root_node_class) > File > "/nfs/disks/rel/SQLAlchemy-ORM-tree-0.1.2/sqlalchemy_tree/manager/unmapped.py", > > line 250, in _get_class_manager > manager = self.class_manager) > File > "/nfs/disks/rel/SQLAlchemy-ORM-tree-0.1.2/sqlalchemy_tree/options.py", line > 233, in class_mapped > self.parent_field_name = self._get_parent_field_name() > File > "/nfs/disks/rel/SQLAlchemy-ORM-tree-0.1.2/sqlalchemy_tree/options.py", line > 260, in _get_parent_field_name > u"could not auto-detect parent field name; tree extension will not " \ > ValueError: could not auto-detect parent field name; tree extension will > not work property without a parent relationship defined > > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
