Fixed groups metadata view. Upgraded to djangorestframework 3.4.x. Fixed #2275.

openslides/users/views.py

@@ -1,6 +1,7 @@
 from django.contrib.auth import login as auth_login
 from django.contrib.auth import logout as auth_logout
 from django.contrib.auth.forms import AuthenticationForm
+from django.utils.encoding import force_text
 from django.utils.translation import ugettext as _
 from django.utils.translation import ugettext_lazy
 
@@ -177,8 +178,13 @@ class GroupViewSetMetadata(SimpleMetadata):
         """
         field_info = super().get_field_info(field)
         if field.field_name == 'permissions':
-            for choice in field_info['choices']:
-                choice['display_name'] = choice['display_name'].split(' | ')[2]
+            field_info['choices'] = [
+                {
+                    'value': choice_value,
+                    'display_name': force_text(choice_name, strings_only=True).split(' | ')[2]
+                }
+                for choice_value, choice_name in field.choices.items()
+            ]
         return field_info
 
 

requirements_production.txt

@@ -2,7 +2,7 @@
 Django>=1.9,<1.11,!=1.10.0
 beautifulsoup4>=4.5,<4.6
 channels>=0.15,<1.0
-djangorestframework>=3.2.0,<3.4
+djangorestframework>=3.4,<3.5
 html5lib>=0.99,<1.0
 jsonfield>=0.9.19,<1.1
 natsort>=3.2,<5.1

tests/integration/users/test_viewset.py

@@ -185,6 +185,22 @@ class UserResetPassword(TestCase):
             'new_password_Yuuh8OoQueePahngohy3'))
 
 
+class GroupMetadata(TestCase):
+    def test_options_request_as_anonymous_user_activated(self):
+        config['general_system_enable_anonymous'] = True
+
+        response = self.client.options('/rest/users/group/')
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.data['name'], 'Group List')
+        perm_list = response.data['actions']['POST']['permissions']['choices']
+        self.assertEqual(type(perm_list), list)
+        for item in perm_list:
+            self.assertEqual(type(item), dict)
+            self.assertTrue(item.get('display_name') is not None)
+            self.assertTrue(item.get('value') is not None)
+
+
 class GroupReceive(TestCase):
     def test_get_groups_as_anonymous_deactivated(self):
         """