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Fixed #3871 -- Custom managers when traversing reverse relations.

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Loic Bistuer 2013-09-19 00:31:07 +07:00 • committed by Anssi Kääriäinen
parent 83554b018e
commit 04a2a6b0f9
6 changed files with 262 additions and 91 deletions
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17
django/contrib/contenttypes/generic.py
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@ -319,6 +319,23 @@ def create_generic_related_manager(superclass):
'%s__exact' % object_id_field_name: instance._get_pk_val(),
}
def __call__(self, **kwargs):
# We use **kwargs rather than a kwarg argument to enforce the
# `manager='manager_name'` syntax.
manager = getattr(self.model, kwargs.pop('manager'))
manager_class = create_generic_related_manager(manager.__class__)
return manager_class(
model = self.model,
instance = self.instance,
symmetrical = self.symmetrical,
source_col_name = self.source_col_name,
target_col_name = self.target_col_name,
content_type = self.content_type,
content_type_field_name = self.content_type_field_name,
object_id_field_name = self.object_id_field_name,
prefetch_cache_name = self.prefetch_cache_name,
)
def get_queryset(self):
try:
return self.instance._prefetched_objects_cache[self.prefetch_cache_name]