Ticket #8071: r8520-validate-username-2.patch

django/forms/models.py

@@ -419 +419 @@
     # let the formset handle object deletion by default
 
     if exclude is not None:
+        if type(exclude) == str:
+            exclude = [exclude]
+        else:
+            exclude = list(exclude)
+
         exclude.append(fk.name)
     else:
         exclude = [fk.name]

django/contrib/admin/options.py

@@ -774 +774 @@
             "extra": self.extra,
             "max_num": self.max_num,
         }
+
+        if hasattr(self.form, "Meta") and hasattr(self.form.Meta, "exclude"):
+            defaults.update({ "exclude": self.form.Meta.exclude })
+
         defaults.update(kwargs)
         return inlineformset_factory(self.parent_model, self.model, **defaults)