id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
8096	Many-to-many self-referential intermediates in admin: <Friendship> has more than 1 ForeignKey to <Person>	Boo	nobody	"This URL http://127.0.0.1:8000/admin/foo/person/add/ returns traceback:
{{{
Environment:

Request Method: GET
Request URL: http://127.0.0.1:8000/admin/foo/person/add/
Django Version: 1.0-alpha-SVN-8199
Python Version: 2.5.2
Installed Applications:
['django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.sites',
 'django.contrib.admin',
 'testcase.foo']
Installed Middleware:
('django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.middleware.doc.XViewMiddleware')


Traceback:
File ""/opt/local/lib/python2.5/site-packages/django/core/handlers/base.py"" in get_response
  87.                 response = callback(request, *callback_args, **callback_kwargs)
File ""/opt/local/lib/python2.5/site-packages/django/contrib/admin/sites.py"" in root
  156.                 return self.model_page(request, *url.split('/', 2))
File ""/opt/local/lib/python2.5/site-packages/django/views/decorators/cache.py"" in _wrapped_view_func
  44.         response = view_func(request, *args, **kwargs)
File ""/opt/local/lib/python2.5/site-packages/django/contrib/admin/sites.py"" in model_page
  173.         return admin_obj(request, rest_of_url)
File ""/opt/local/lib/python2.5/site-packages/django/contrib/admin/options.py"" in __call__
  259.             return self.add_view(request)
File ""/opt/local/lib/python2.5/site-packages/django/contrib/admin/options.py"" in add_view
  504.             for FormSet in self.get_formsets(request):
File ""/opt/local/lib/python2.5/site-packages/django/contrib/admin/options.py"" in get_formsets
  340.             yield inline.get_formset(request, obj)
File ""/opt/local/lib/python2.5/site-packages/django/contrib/admin/options.py"" in get_formset
  743.             extra=self.extra, max_num=self.max_num)
File ""/opt/local/lib/python2.5/site-packages/django/forms/models.py"" in inlineformset_factory
  479.     fk = _get_foreign_key(parent_model, model, fk_name=fk_name)
File ""/opt/local/lib/python2.5/site-packages/django/forms/models.py"" in _get_foreign_key
  464.             raise Exception(""%s has more than 1 ForeignKey to %s"" % (model, parent_model))

Exception Type: Exception at /admin/foo/person/add/
Exception Value: <class 'testcase.foo.models.Friendship'> has more than 1 ForeignKey to <class 'testcase.foo.models.Person'>
}}}

Please, see the testcase to reproduce this bug.
"		closed	contrib.admin	dev		duplicate	ManyToManyField, admin		Unreviewed	0	0	0	0	0	0