--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/bridge/bridge_constructor/constructors/embedded/embedded_template.py	Wed Oct 05 22:07:51 2016 +0200
@@ -0,0 +1,105 @@
+#!/usr/bin/env python2
+#-*- coding: utf-8 -*-
+
+# SàT: a XMPP client
+# 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/>.
+
+from sat.core.log import getLogger
+log = getLogger(__name__)
+from sat.core import exceptions
+
+
+class _Bridge(object):
+    def __init__(self):
+        log.info(u"Init embedded bridge...")
+        self._methods_cbs = {}
+        self._signals_cbs = {
+            "core": {},
+            "plugin": {}
+            }
+
+    def register_method(self, name, callback):
+        log.debug(u"registering embedded bridge method [{}]".format(name))
+        if name in self._methods_cbs:
+            raise exceptions.ConflictError(u"method {} is already regitered".format(name))
+        self._methods_cbs[name] = callback
+
+    def register_signal(self, functionName, handler, iface="core"):
+        iface_dict = self._signals_cbs[iface]
+        if functionName in iface_dict:
+            raise exceptions.ConflictError(u"signal {name} is already regitered for interface {iface}".format(name=functionName, iface=iface))
+        iface_dict[functionName] = handler
+
+    def call_method(self, name, out_sign, async_, args, kwargs):
+        callback = kwargs.pop("callback", None)
+        errback = kwargs.pop("errback", None)
+        if async_:
+            d = self._methods_cbs[name](*args, **kwargs)
+            if callback is not None:
+                d.addCallback(callback if out_sign else lambda dummy: callback())
+            if errback is None:
+                d.addErrback(lambda failure_: log.error(failure_))
+            else:
+                d.addErrback(errback)
+            return d
+        else:
+            try:
+                ret = self._methods_cbs[name](*args, **kwargs)
+            except Exception as e:
+                if errback is not None:
+                    errback(e)
+                else:
+                    raise e
+            else:
+                if callback is None:
+                    return ret
+                else:
+                    if out_sign:
+                        callback(ret)
+                    else:
+                        callback()
+
+    def send_signal(self, name, args, kwargs):
+        try:
+            cb = self._signals_cbs["plugin"][name]
+        except KeyError:
+            log.warning(u"ignoring signal {}: no callback registered".format(name))
+        else:
+            cb(*args, **kwargs)
+
+    def addMethod(self, name, int_suffix, in_sign, out_sign, method, async=False, doc={}):
+        #FIXME: doc parameter is kept only temporary, the time to remove it from calls
+        log.debug("Adding method [{}] to embedded bridge".format(name))
+        self.register_method(name, method)
+        setattr(self.__class__, name, lambda self_, *args, **kwargs: self.call_method(name, out_sign, async, args, kwargs))
+
+    def addSignal(self, name, int_suffix, signature, doc={}):
+        setattr(self.__class__, name, lambda self_, *args, **kwargs: self.send_signal(name, args, kwargs))
+
+    ## signals ##
+
+##SIGNALS_PART##
+    ## methods ##
+
+##METHODS_PART##
+
+# we want the same instance for both core and frontend
+bridge = None
+def Bridge():
+    global bridge
+    if bridge is None:
+        bridge = _Bridge()
+    return bridge