--- a/src/core/constants.py	Wed Oct 05 22:07:51 2016 +0200
+++ b/src/core/constants.py	Sun Dec 04 18:16:37 2016 +0100
@@ -35,6 +35,10 @@
     APP_URL = u'http://salut-a-toi.org'
 
 
+    # Main config ##
+    DEFAULT_BRIDGE = 'dbus'
+
+
     # Protocol
     XMPP_C2S_PORT = 5222
     XMPP_KEEP_ALIFE = 180

--- a/src/core/sat_main.py	Wed Oct 05 22:07:51 2016 +0200
+++ b/src/core/sat_main.py	Sun Dec 04 18:16:37 2016 +0100
@@ -25,7 +25,6 @@
 from twisted.words.xish import domish
 from twisted.internet import reactor
 from wokkel.xmppim import RosterItem
-from sat.bridge.dbus_bridge import Bridge
 from sat.core import xmpp
 from sat.core import exceptions
 from sat.core.log import getLogger
@@ -34,6 +33,7 @@
 from sat.memory.memory import Memory
 from sat.tools import trigger
 from sat.tools import utils
+from sat.tools.common import dynamic_import
 from sat.stdui import ui_contact_list, ui_profile_manager
 from glob import glob
 from uuid import uuid4
@@ -60,8 +60,15 @@
         self.memory = Memory(self)
         self.trigger = trigger.TriggerManager()  # trigger are used to change SàT behaviour
 
+        bridge_name = self.memory.getConfig('', 'bridge', 'dbus')
+
+        bridge_module = dynamic_import.bridge(bridge_name)
+        if bridge_module is None:
+            log.error(u"Can't find bridge module of name {}".format(bridge_name))
+            sys.exit(1)
+        log.info(u"using {} bridge".format(bridge_name))
         try:
-            self.bridge = Bridge()
+            self.bridge = bridge_module.Bridge()
         except exceptions.BridgeInitError:
             log.error(u"Bridge can't be initialised, can't start SàT core")
             sys.exit(1)
@@ -132,6 +139,10 @@
         else:
             return version
 
+    @property
+    def bridge_name(self):
+        return os.path.splitext(os.path.basename(self.bridge.__file__))[0]
+
     def _postMemoryInit(self, ignore):
         """Method called after memory initialization is done"""
         log.info(_("Memory initialised"))

--- /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