--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/tools/common/dynamic_import.py	Sun Dec 04 18:16:37 2016 +0100
@@ -0,0 +1,39 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+
+# SàT: a XMPP
+# Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
+
+# 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/>.
+
+""" tools dynamic import """
+
+from importlib import import_module
+
+
+def bridge(name, module_path='sat.bridge'):
+    """Import bridge module
+
+    @param module_path(str): path of the module to import
+    @param name(str): name of the bridge to import (e.g.: dbus)
+    @return (module, None): imported module or None if nothing is found
+    """
+    try:
+        bridge_module = import_module(module_path + '.' + name)
+    except ImportError:
+        try:
+            bridge_module = import_module(module_path + '.' + name + '_bridge')
+        except ImportError:
+            bridge_module = None
+    return bridge_module