app.py

import sys
from twisted.web.static import File
from twisted.python import log
from twisted.web.server import Site
from twisted.internet import reactor

from autobahn.twisted.websocket import WebSocketServerFactory, \
    WebSocketServerProtocol

from autobahn.twisted.resource import WebSocketResource


class SomeServerProtocol(WebSocketServerProtocol):
    def onConnect(self, request):
        print("some request connected {}".format(request))

    def onMessage(self, payload, isBinary):
        print(payload)
        self.sendMessage("message received")


if __name__ == "__main__":
    log.startLogging(sys.stdout)

    # static file server seving index.html as root
    root = File(".")

    factory = WebSocketServerFactory(u"ws://127.0.0.1:8080")
    factory.protocol = SomeServerProtocol
    resource = WebSocketResource(factory)
    # websockets resource on "/ws" path
    root.putChild(u"ws", resource)

    site = Site(root)
    reactor.listenTCP(8080, site)
    reactor.run()