def filter_by_content(self, obj):
if isinstance(obj, models.QuerySet):
klass = obj.model
is_qs = True
else:
klass = obj.__class__
is_qs = False
if Content.is_content_model(klass):
fieldlookup = Content.get_content_fieldlookup(klass)
if fieldlookup is None:
fieldlookup = '%s_content' % utils.get_short_model_name_lower(klass).replace('.', '_')
filters = {}
if is_qs:
filters['%s__in' % fieldlookup] = obj
else:
filters[fieldlookup] = obj
return self.filter(**filters).distinct()
return self.none()
def get_fieldlookup(cls):
return '%s__content' % utils.get_short_model_name_lower(cls).replace('.', '_')
