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Fixed #27073 -- Removed duplicated managers in Model._meta.managers.

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Loïc Bistuer 2016-08-19 01:24:45 +07:00 • committed by GitHub
parent 8cd900c819
commit d4eefc7e2a
3 changed files with 24 additions and 1 deletions
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7
django/db/models/options.py
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@ -369,11 +369,16 @@ class Options(object):
@cached_property
def managers(self):
managers = []
seen_managers = set()
bases = (b for b in self.model.mro() if hasattr(b, '_meta'))
for depth, base in enumerate(bases):
for manager in base._meta.local_managers:
if manager.name in seen_managers:
continue
manager = copy.copy(manager)
manager.model = self.model
seen_managers.add(manager.name)
managers.append((depth, manager.creation_counter, manager))
# Used for deprecation of legacy manager inheritance,
@ -387,7 +392,7 @@ class Options(object):
@cached_property
def managers_map(self):
return {manager.name: manager for manager in reversed(self.managers)}
return {manager.name: manager for manager in self.managers}
@cached_property
def base_manager(self):