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Added enhancement for pk reference in many=True relations

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Devon Bleibtrey 2015-03-23 10:42:42 -04:00
parent 8a58b1a380
commit 7ac3c3fff7
1 changed files with 2 additions and 1 deletions
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rest_framework/relations.py
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@ -341,6 +341,7 @@ class ManyRelatedField(Field):
assert child_relation is not None, '`child_relation` is a required argument.' assert child_relation is not None, '`child_relation` is a required argument.'
super(ManyRelatedField, self).__init__(*args, **kwargs) super(ManyRelatedField, self).__init__(*args, **kwargs)
self.child_relation.bind(field_name='', parent=self) self.child_relation.bind(field_name='', parent=self)
self.id_field = kwargs.pop('id_field', 'pk')
def get_value(self, dictionary): def get_value(self, dictionary):
# We override the default field access in order to support # We override the default field access in order to support
@ -362,7 +363,7 @@ class ManyRelatedField(Field):
def get_attribute(self, instance): def get_attribute(self, instance):
# Can't have any relationships if not created # Can't have any relationships if not created
if not instance.pk: if getattr(instance, self.id_field) is None:
return [] return []
relationship = get_attribute(instance, self.source_attrs) relationship = get_attribute(instance, self.source_attrs)