diff -r 058bb3dc685f -r 0b59724cb3f2 server/cwzmq.py
--- a/server/cwzmq.py	Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,130 +0,0 @@
-# -*- coding: utf-8 -*-
-# copyright 2012-2014 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
-# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
-#
-# This file is part of CubicWeb.
-#
-# CubicWeb is free software: you can redistribute it and/or modify it under the
-# terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 2.1 of the License, or (at your option)
-# any later version.
-#
-# CubicWeb 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 Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License along
-# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
-
-from threading import Thread
-from logging import getLogger
-
-import zmq
-from zmq.eventloop import ioloop
-import zmq.eventloop.zmqstream
-
-from cubicweb import set_log_methods
-
-
-ctx = zmq.Context()
-
-
-class ZMQComm(object):
-    """
-    A simple ZMQ-based notification bus.
-
-    There should at most one instance of this class attached to a
-    Repository. A typical usage may be something like::
-
-        def callback(msg):
-            self.info('received message: %s', ' '.join(msg))
-        repo.app_instances_bus.subscribe('hello', callback)
-
-    to subsribe to the 'hello' kind of message. On the other side, to
-    emit a notification, call::
-
-       repo.app_instances_bus.publish(['hello', 'world'])
-
-    See http://docs.cubicweb.org for more details.
-    """
-    def __init__(self):
-        self.ioloop = ioloop.IOLoop()
-        self._topics = {}
-        self._subscribers = []
-        self.publisher = None
-
-    def add_publisher(self, address):
-        assert self.publisher is None, "more than one publisher is not supported"
-        self.publisher = Publisher(self.ioloop, address)
-
-    def add_subscription(self, topic, callback):
-        for subscriber in self._subscribers:
-            subscriber.subscribe(topic, callback)
-        self._topics[topic] = callback
-
-    def add_subscriber(self, address):
-        subscriber = Subscriber(self.ioloop, address)
-        for topic, callback in self._topics.items():
-            subscriber.subscribe(topic, callback)
-        self._subscribers.append(subscriber)
-
-    def publish(self, msg):
-        if self.publisher is None:
-            return
-        self.publisher.send(msg)
-
-    def start(self):
-        Thread(target=self.ioloop.start).start()
-
-    def stop(self):
-        self.ioloop.add_callback(self.ioloop.stop)
-
-    def __del__(self):
-        self.ioloop.close()
-
-
-class Publisher(object):
-    def __init__(self, ioloop, address):
-        self.address = address
-        self._topics = {}
-        self._subscribers = []
-        self.ioloop = ioloop
-        def callback():
-            s = ctx.socket(zmq.PUB)
-            self.stream = zmq.eventloop.zmqstream.ZMQStream(s, io_loop=ioloop)
-            self.stream.bind(self.address)
-            self.debug('start publisher on %s', self.address)
-        ioloop.add_callback(callback)
-
-    def send(self, msg):
-        self.ioloop.add_callback(lambda:self.stream.send_multipart(msg))
-
-
-class Subscriber(object):
-    def __init__(self, ioloop, address):
-        self.address = address
-        self.dispatch_table = {}
-        self.ioloop = ioloop
-        def callback():
-            s = ctx.socket(zmq.SUB)
-            self.stream = zmq.eventloop.zmqstream.ZMQStream(s, io_loop=ioloop)
-            self.stream.on_recv(self.dispatch)
-            self.stream.connect(self.address)
-            self.debug('start subscriber on %s', self.address)
-        ioloop.add_callback(callback)
-
-    def dispatch(self, msg):
-        try:
-            f = self.dispatch_table[msg[0]]
-        except KeyError:
-            return
-        f(msg)
-
-    def subscribe(self, topic, callback):
-        self.dispatch_table[topic] = callback
-        self.ioloop.add_callback(lambda: self.stream.setsockopt(zmq.SUBSCRIBE, topic))
-
-
-set_log_methods(Publisher, getLogger('cubicweb.zmq.pub'))
-set_log_methods(Subscriber, getLogger('cubicweb.zmq.sub'))