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Don't try to access __slots__ during copy()

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When subclassing Django will copy managers from the ancestor class. Copying in turn calls `copy.copy()` which checks whether the object uses `__slots__` or `__dict__`. This could result in the manager calling `self.get_queryset()` before all models get registered with the ORM.
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Patryk Zawadzki 2014-01-20 12:50:37 +01:00
parent 6dc8c9420f
commit 80547335c0
1 changed files with 2 additions and 1 deletions
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3
model_utils/managers.py
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@ -225,7 +225,8 @@ class PassThroughManagerMixin(object):
# pickling causes recursion errors
_deny_methods = ['__getstate__', '__setstate__', '__getinitargs__',
'__getnewargs__', '__copy__', '__deepcopy__', '_db']
'__getnewargs__', '__copy__', '__deepcopy__', '_db',
'__slots__']
def __init__(self, queryset_cls=None):
self._queryset_cls = queryset_cls