--- a/sobjects/__init__.py	Thu Feb 02 14:30:07 2012 +0100
+++ b/sobjects/__init__.py	Tue Jan 31 21:43:24 2012 +0100
@@ -1,4 +1,4 @@
-# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
 #
 # This file is part of CubicWeb.
@@ -15,6 +15,16 @@
 #
 # You should have received a copy of the GNU Lesser General Public License along
 # with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
-"""server side objects
+"""server side objects"""
+
+import os.path as osp
 
-"""
+def registration_callback(vreg):
+    vreg.register_all(globals().values(), __name__)
+    global URL_MAPPING
+    URL_MAPPING = {}
+    if vreg.config.apphome:
+        url_mapping_file = osp.join(vreg.config.apphome, 'urlmapping.py')
+        if osp.exists(url_mapping_file):
+            URL_MAPPING = eval(file(url_mapping_file).read())
+            vreg.info('using url mapping %s from %s', URL_MAPPING, url_mapping_file)