baseimage-tutorial-framework/lib/tfw/networking/server/tfw_server.py

from tornado.web import Application

from tfw.networking.server.controller_responder import ControllerResponder
from tfw.networking.server.zmq_websocket_handler import FSMManagingSocketHandler


class TFWServer:
    def __init__(self, fsm_type):
        self._fsm = fsm_type()
        self.application = Application(
            [(r'/ws', FSMManagingSocketHandler, {'fsm': self.fsm})]
        )
        self.controller_responder = ControllerResponder(self.fsm)

    @property
    def fsm(self):
        return self._fsm

    def listen(self, port):
        self.application.listen(port)