An example showing how to use sockjs-tornado.

index.html

<script src="http://cdn.sockjs.org/sockjs-0.3.min.js"></script>
<script>
    var sock = new SockJS('http://' + window.location.host + '/realtime-news');
    sock.onopen = function() {
        console.log('open');
    };
    sock.onmessage = function(e) {
        console.log('message', e.data);
    };
    sock.onclose = function() {
        console.log('close');
    };
</script>

realtime_news.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import tornado.web
import tornado.ioloop
import sockjs.tornado


class IndexHandler(tornado.web.RequestHandler):
    def get(self):
        self.render('index.html')


class RealtimeNewsConnection(sockjs.tornado.SockJSConnection):
    """Publish realtime news."""

    clients = set()

    def on_open(self, info):
        self.clients.add(self)

    def on_message(self, message):
        pass

    def on_close(self):
        self.clients.remove(self)

    @classmethod
    def publish(cls, message):
        for client in cls.clients:
            client.send(message)


if __name__ == '__main__':
    # add urls of sockjs into tornado
    RealtimeNewsRouter = sockjs.tornado.SockJSRouter(RealtimeNewsConnection,
                                                 '/realtime-news')
    application = tornado.web.Application(
        [(r'/', IndexHandler)] + RealtimeNewsRouter.urls
    )

    application.listen(8888)
    tornado.ioloop.IOLoop.instance().start()