twisted websocket.py

from twisted.internet import reactor
from twisted.web.websocket import WebSocketHandler, WebSocketResource
from twisted.web.server import Site
from twisted.web.static import File

class Echohandler(WebSocketHandler):

    def frameReceived(self, frame):
        self.sendFrame(frame)

if __name__ == "__main__":
    root = File(".")
    websocketResource = WebSocketResource()
    websocketResource.addHandler("/echo", Echohandler)
    root.putChild("ws", websocketResource)
    site = Site(root)
    reactor.listenTCP(8080, site)
    reactor.run()