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SingleRelatedObjectDescriptor was renamed in Django 1.9

fix_request_path_info
Gavin Wahl 2015-10-02 15:08:10 -06:00
parent 37d3f3ea1e
commit 0c940bd795
1 changed files with 9 additions and 2 deletions
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11
polymorphic/polymorphic_model.py
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@ -173,10 +173,17 @@ class PolymorphicModel(six.with_metaclass(PolymorphicModelBase, models.Model)):
subclasses_and_superclasses_accessors = self._get_inheritance_relation_fields_and_models()
from django.db.models.fields.related import SingleRelatedObjectDescriptor, ReverseSingleRelatedObjectDescriptor
try:
from django.db.models.fields.related import ReverseOneToOneDescriptor, ForwardManyToOneDescriptor
except ImportError:
# django < 1.9
from django.db.models.fields.related import (
SingleRelatedObjectDescriptor as ReverseOneToOneDescriptor,
ReverseSingleRelatedObjectDescriptor as ForwardManyToOneDescriptor,
)
for name, model in subclasses_and_superclasses_accessors.items():
orig_accessor = getattr(self.__class__, name, None)
if type(orig_accessor) in [SingleRelatedObjectDescriptor, ReverseSingleRelatedObjectDescriptor]:
if type(orig_accessor) in [ReverseOneToOneDescriptor, ForwardManyToOneDescriptor]:
#print >>sys.stderr, '---------- replacing', name, orig_accessor, '->', model
setattr(self.__class__, name, property(create_accessor_function_for_model(model, name)))