#!/usr/bin/python3 -u
import argparse

import websocket


def get_parser():
    p = argparse.ArgumentParser()
    p.add_argument(
        "--trace", action="store_true", default=False, help="Extra debugging"
    )
    p.add_argument("url")
    return p


def on_message(wsapp, msg):
    print(msg)


def main():
    args = get_parser().parse_args()

    websocket.enableTrace(args.trace)
    wsapp = websocket.WebSocketApp(args.url, on_message=on_message)
    wsapp.run_forever()


if __name__ == "__main__":
    main()