Fixed #15206 -- Added select_related call to the permissions field of the...

    ordering = ('name',)

    filter_horizontal = ('permissions',)

    def formfield_for_manytomany(self, db_field, request=None, **kwargs):

        if db_field.name == 'permissions':

            qs = kwargs.get('queryset', db_field.rel.to.objects)

            # Avoid a major performance hit resolving permission names which

            # triggers a content_type load:

            kwargs['queryset'] = qs.select_related('content_type')

        return super(GroupAdmin, self).formfield_for_manytomany(db_field, request=request, **kwargs)

class UserAdmin(admin.ModelAdmin):

    add_form_template = 'admin/auth/user/add_form.html'

    change_user_password_template = None

from django.core.urlresolvers import reverse

# Register auth models with the admin.

from django.contrib.auth import REDIRECT_FIELD_NAME, admin

from django.contrib.auth.models import User, Permission, UNUSABLE_PASSWORD

from django.contrib.auth.models import Group, User, Permission, UNUSABLE_PASSWORD

from django.contrib.contenttypes.models import ContentType

from django.contrib.admin.models import LogEntry, DELETION

from django.contrib.admin.sites import LOGIN_FORM_KEY

        self.assertEqual(User.objects.count(), user_count + 1)

        self.assertNotEqual(new_user.password, UNUSABLE_PASSWORD)

    def test_user_permission_performance(self):

        u = User.objects.all()[0]

        with self.assertNumQueries(7):

            response = self.client.get('/test_admin/admin/auth/user/%s/' % u.pk)

            self.assertEqual(response.status_code, 200)

class GroupAdminTest(TestCase):

    """

    Tests group CRUD functionality.

    """

    fixtures = ['admin-views-users.xml']

    def setUp(self):

        self.client.login(username='super', password='secret')

    def tearDown(self):

        self.client.logout()

    def test_save_button(self):

        group_count = Group.objects.count()

        response = self.client.post('/test_admin/admin/auth/group/add/', {

            'name': 'newgroup',

        })

        new_group = Group.objects.order_by('-id')[0]

        self.assertRedirects(response, '/test_admin/admin/auth/group/')

        self.assertEqual(Group.objects.count(), group_count + 1)

    def test_group_permission_performance(self):

        g = Group.objects.create(name="test_group")

        with self.assertNumQueries(6):  # instead of 259!

            response = self.client.get('/test_admin/admin/auth/group/%s/' % g.pk)

            self.assertEqual(response.status_code, 200)

try:

    import docutils

except ImportError: