diff options
Diffstat (limited to 'django/contrib/admin/options.py')
| -rw-r--r-- | django/contrib/admin/options.py | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/django/contrib/admin/options.py b/django/contrib/admin/options.py index cef9021326..3d0faf0e33 100644 --- a/django/contrib/admin/options.py +++ b/django/contrib/admin/options.py @@ -450,9 +450,9 @@ class BaseModelAdmin(six.with_metaclass(RenameBaseModelAdminMethods)): except FieldDoesNotExist: return False - # Check whether this model is the origin of a M2M relationship - # in which case to_field has to be the pk on this model. - if opts.many_to_many and field.primary_key: + # Always allow referencing the primary key since it's already possible + # to get this information from the change view URL. + if field.primary_key: return True # Make sure at least one of the models registered for this site @@ -463,8 +463,7 @@ class BaseModelAdmin(six.with_metaclass(RenameBaseModelAdminMethods)): for inline in admin.inlines: registered_models.add(inline.model) - for related_object in (opts.get_all_related_objects(include_hidden=True) + - opts.get_all_related_many_to_many_objects()): + for related_object in opts.get_all_related_objects(include_hidden=True): related_model = related_object.model if (any(issubclass(model, related_model) for model in registered_models) and related_object.field.rel.get_related_field() == field): |