[1.4.x] Fixed #23329 -- Allowed inherited and m2m fields to be referenced in the admin.

            return False

        # Make sure at least one of the models registered for this site

        # references this field.

        # references this field through a FK or a M2M relationship.

        registered_models = self.admin_site._registry

        for related_object in opts.get_all_related_objects():

            if (related_object.model in registered_models and

                    field == related_object.field.rel.get_related_field()):

        for related_object in (opts.get_all_related_objects() +

                               opts.get_all_related_many_to_many_objects()):

            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):

                return True

        return False

===========================

Django 1.4.15 release notes

===========================

*Under development*

Django 1.4.15 fixes a regression in the 1.4.14 security release.

Bugfixes

========

* Allowed inherited and m2m fields to be referenced in the admin

  (`#22486 <http://code.djangoproject.com/ticket/23329>`_)

.. toctree::

   :maxdepth: 1

   1.4.15

   1.4.14

   1.4.13

   1.4.12

    Album, Question, Answer, ComplexSortedPerson, PrePopulatedPostLargeSlug,

    AdminOrderedField, AdminOrderedModelMethod, AdminOrderedAdminMethod,

    AdminOrderedCallable, Report, Color2, UnorderedObject, MainPrepopulated,

    RelatedPrepopulated)

    RelatedPrepopulated, ReferencedByParent, ChildOfReferer, M2MReference)

def callable_year(dt_value):

site.register(Report, ReportAdmin)

site.register(MainPrepopulated, MainPrepopulatedAdmin)

site.register(UnorderedObject, UnorderedObjectAdmin)

site.register(ReferencedByParent)

site.register(ChildOfReferer)

site.register(M2MReference)

# We intentionally register Promo and ChapterXtra1 but not Chapter nor ChapterXtra2.

# That way we cover all four cases:

    """

    name = models.CharField(max_length=255)

    bool = models.BooleanField(default=True)

# Models for #23329

class ReferencedByParent(models.Model):

    pass

class ParentWithFK(models.Model):

    fk = models.ForeignKey(ReferencedByParent)

class ChildOfReferer(ParentWithFK):

    pass

class M2MReference(models.Model):

    ref = models.ManyToManyField('self')