I'm not sure if this affects S.A 0.6.
It appears that orm.properties.RelationProperty. _post_init does not
create a _dependency_processor attribute if the relation is viewonly.
Line1016:
if not self.viewonly:
self._dependency_processor =
dependency.create_dependency_processor(self)
This causes orm.dependency._check_reverse_action to fail as the
attribute does not exist.
The patch I applied is to add attribute existence verification:
Line 142:
for r in self.prop._reverse_property:
if hasattr(r, '_dependency_processor') :
if (r._dependency_processor, action, parent, child) in
uowcommit.attributes:
return True
return False
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