Hi all:
I'm trying to implement a permission system usign polymorphic
associations. In my example only one object has permissions associated
(ULine).
The problem is trying to use a mapping with permission names as keys,
and values Permission objects with a 1:1 user relation.
A complete example here:
http://pastebin.com/SqCfBCFp
But I can't get this working, the next error is raised:
child_state, child_dict = instance_state(child), \
AttributeError: 'list' object has no attribute '_sa_instance_state'
A lot of thanks.
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