diff -r 3dcd742acc13 -r 94fdb72b7d56 web/ldtplatform/settings.py
--- a/web/ldtplatform/settings.py	Wed Oct 26 11:05:43 2011 +0200
+++ b/web/ldtplatform/settings.py	Fri Oct 28 11:01:40 2011 +0200
@@ -138,6 +138,7 @@
     'piston',
     'social_auth',
     'south',
+    'guardian',
 )
 
 AUTH_PROFILE_MODULE = 'user.UserProfile'
@@ -162,6 +163,7 @@
 #    'social_auth.backends.contrib.orkut.OrkutBackend',
     'social_auth.backends.OpenIDBackend',
     'django.contrib.auth.backends.ModelBackend',
+    'guardian.backends.ObjectPermissionBackend',
 )
 SOCIAL_AUTH_IMPORT_BACKENDS = (
     'myproy.social_auth_extra_services',
@@ -202,6 +204,8 @@
 
 AUTO_INDEX_AFTER_SAVE = True
 
+ANONYMOUS_USER_ID = -1
+
 WEB_VERSION = ldtplatform.get_version()
 
 from config import *