--- a/sat_pubsub/backend.py	Thu May 17 12:48:14 2012 +0200
+++ b/sat_pubsub/backend.py	Thu May 17 01:48:39 2012 +0200
@@ -1,7 +1,56 @@
-# -*- test-case-name: idavoll.test.test_backend -*-
-#
-# Copyright (c) 2003-2010 Ralph Meijer
-# See LICENSE for details.
+#!/usr/bin/python
+#-*- coding: utf-8 -*-
+
+"""
+Copyright (c) 2003-2009 Ralph Meijer
+Copyright (c) 2012 Jérôme Poisson
+
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+--
+
+This program is based on Idavoll (http://idavoll.ik.nu/),
+originaly written by Ralph Meijer (http://ralphm.net/blog/)
+It is sublicensed under AGPL v3 (or any later version) as allowed by the original
+license.
+
+--
+
+Here is a copy of the original license:
+
+Copyright (c) 2003-2009 Ralph Meijer
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+"""
 
 """
 Generic publish-subscribe backend.