hopefully fix finally the wrapped ReverseOneToOneDescriptor issue

This commit is contained in:
Laura Klünder 2017-12-24 17:26:03 +01:00
parent e8dbc0843c
commit 0f5a822a2a

View file

@ -205,7 +205,22 @@ class ModelInstanceWrapper(BaseWrapper):
def __getattr__(self, name):
descriptor = getattr(self._obj.__class__, name, None)
if isinstance(descriptor, ReverseOneToOneDescriptor):
return descriptor.__get__(self, self.__class__)
try:
rel_obj = getattr(self._obj, descriptor.cache_name)
except AttributeError:
related_pk = self._obj._get_pk_val()
if related_pk is None:
rel_obj = None
else:
related_model = self._wrap_model(descriptor.related.related_model)
filter_args = descriptor.related.field.get_forward_related_filter(self._obj)
try:
rel_obj = related_model.objects.get(**filter_args)
except related_model.DoesNotExist:
rel_obj = None
else:
setattr(rel_obj, descriptor.related.field.get_cache_name(), self._obj)
setattr(self._obj, descriptor.cache_name, rel_obj)
return super().__getattr__(name)
def __setattr__(self, name, value):