Function main

demos/helloworld/helloworld.py:30–35

()

async def main():
    tornado.options.parse_command_line()
    application = tornado.web.Application([(r"/", MainHandler)])
    http_server = tornado.httpserver.HTTPServer(application)
    http_server.listen(options.port)
    await asyncio.Event().wait()


if __name__ == "__main__":