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# The MIT License (MIT)
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from crochet import run_in_reactor, setup, wait_for
from flask import Flask

# this MUST be called _before_ any Autobahn or Twisted imports!
setup()

from autobahn.twisted.wamp import Application  # noqa


# our WAMP app
#
wapp = Application()

# this is a synchronous wrapper around the asynchronous WAMP code
#


@wait_for(timeout=1)
def publish(topic, *args, **kwargs):
    return wapp.session.publish(topic, *args, **kwargs)


# our Flask app
#
app = Flask(__name__)
app._visits = 0


@app.route("/")
def index():
    app._visits += 1
    publish("com.example.on_visit", app._visits, msg="hello from flask")
    return "Visit {}".format(app._visits)


if __name__ == "__main__":
    import logging
    import sys

    logging.basicConfig(stream=sys.stderr, level=logging.DEBUG)

    # this will start the WAMP app on a background thread and setup communication
    # with the main thread that runs a (blocking) Flask server
    #
    @run_in_reactor
    def start_wamp():
        wapp.run("ws://127.0.0.1:8080/ws", "realm1", start_reactor=False)

    start_wamp()

    # now start the Flask dev server (which is a regular blocking WSGI server)
    #
    app.run(port=8050)
