--- a/server/migractions.py	Mon Mar 28 15:16:11 2011 +0200
+++ b/server/migractions.py	Mon Mar 28 15:15:49 2011 +0200
@@ -1,4 +1,4 @@
-# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
 #
 # This file is part of CubicWeb.
@@ -1372,6 +1372,18 @@
             self.commit()
         return entity
 
+    def cmd_find_entities(self, etype, **kwargs):
+        """find entities of the given type and attribute values"""
+        return self._cw.find_entities(etype, **kwargs)
+
+    def cmd_find_one_entity(self, etype, **kwargs):
+        """find one entity of the given type and attribute values.
+
+        raise :exc:`cubicweb.req.FindEntityError` if can not return one and only
+        one entity.
+        """
+        return self._cw.find_one_entity(etype, **kwargs)
+
     def cmd_update_etype_fti_weight(self, etype, weight):
         if self.repo.system_source.dbdriver == 'postgres':
             self.sqlexec('UPDATE appears SET weight=%(weight)s '