Don't assume all object have a proxy access accessor.

2016-03-18 20:57:39 -04:00
parent 042cef3d0e
commit 66a49c8335
1 changed files with 5 additions and 1 deletions
--- a/mayan/apps/acls/classes.py
+++ b/mayan/apps/acls/classes.py
@@ -26,7 +26,11 @@ class ModelPermission(object):

        permissions = []
        permissions.extend(cls._registry.get(type(instance)))
-        permissions.extend(cls._registry.get(cls._proxies.get(type(instance))))
+
+        proxy = cls._proxies.get(type(instance))
+
+        if proxy:
+            permissions.extend(cls._registry.get(proxy))

        pks = [permission.stored_permission.pk for permission in set(permissions)]
        return StoredPermission.objects.filter(pk__in=pks)