Blank Tornado App

gistfile1.py

import os
import logging

from tornado.httpserver import HTTPServer
from tornado.ioloop import IOLoop
from tornado.web import Application, RequestHandler, StaticFileHandler, url
from tornado.options import define, options
from tornado import gen

define('port', default=8888)
define('debug', default=True)
define('loglevel', default='debug')

def directory(path):
    return os.path.join(os.path.dirname(__file__), path)

class HelloHandler(RequestHandler):
    @gen.coroutine
    def get(self):
        self.finish("Hello, world")

routes = [
    url(r"/?", HelloHandler),
    url(r'/(favicon\.ico)', StaticFileHandler, dict(path=directory('static')))
]

def configure():
    # Read config file
    try:
        config_file = 'config.cfg'
        options.parse_config_file(config_file, final=False)
    except: pass

    options.parse_command_line()

    # Override Settings here
    settings = dict(
        autoreaload=True,
        logging=options.loglevel,
        compress_response=True,
        debug=options.debug,
        static_path=directory('static'),
        xheaders=True,
    )
    return Application(routes, **settings)

def main():
    # Run app
    app = configure()
    server = HTTPServer(app, xheaders=True)
    server.bind(options.port)
    server.start(1)
    logging.info('Running on port %s' % options.port)
    IOLoop.current().start()

if __name__ == '__main__':
    main()