Ticket #12577: inline.diff

django/contrib/contenttypes/generic.py

@@ -342 +342 @@
         setattr(form.instance, self.ct_field.attname, ContentType.objects.get_for_model(self.instance).pk)
         return form
 
+    def save_new(self, form, commit=True):
+        # Avoid a circular import.
+        from django.contrib.contenttypes.models import ContentType
+        kwargs = {
+            self.ct_field.get_attname(): ContentType.objects.get_for_model(self.instance).pk,
+            self.ct_fk_field.get_attname(): self.instance.pk,
+        }
+        new_obj = self.model(**kwargs)
+        return save_instance(form, new_obj, commit=commit)
+
 def generic_inlineformset_factory(model, form=ModelForm,
                                   formset=BaseGenericInlineFormSet,
                                   ct_field="content_type", fk_field="object_id",