Fixed #9863. A ForeignKey with editable=False to the parent in an inline no longer raises an exception. Thanks to keithb for the test case and Alex Gaynor for the patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10239 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 5 insertions, 1 deletions

diff --git a/django/forms/models.py b/django/forms/models.py
index 32a85c5609..70f0631e2c 100644
--- a/django/forms/models.py
+++ b/django/forms/models.py
@@ -545,7 +545,11 @@ class BaseInlineFormSet(BaseModelFormSet):
         if self._pk_field == self.fk:
             form.fields[self._pk_field.name] = InlineForeignKeyField(self.instance, pk_field=True)
         else:
-            form.fields[self.fk.name] = InlineForeignKeyField(self.instance, label=form.fields[self.fk.name].label)
+            # The foreign key field might not be on the form, so we poke at the
+            # Model field to get the label, since we need that for error messages.
+            form.fields[self.fk.name] = InlineForeignKeyField(self.instance,
+                label=getattr(form.fields.get(self.fk.name), 'label', capfirst(self.fk.verbose_name))
+            )
 
 def _get_foreign_key(parent_model, model, fk_name=None):
     """