nw-demo-app.py

nw-demo-app.py

# coding: u8

import os.path as osp
import sys


root = osp.dirname(osp.abspath(__file__))
libs = osp.join(root, 'libs')
sys.path.insert(0, libs)

import tornado.httpserver
import tornado.ioloop
from tornado.options import define, options
from tornado.util import ObjectDict
import tornado.web


define('host', default='127.0.0.1', type=str)
define('port', default=9527, type=int)
define('killnwdemo', default='killnwdemo', type=str)  # for ps aux | grep
tornado.options.parse_command_line()


class BaseHandler(tornado.web.RequestHandler):
    u"""Base handler"""


class MainHandler(BaseHandler):

    def get(self):
        self.write('index')


class PingHandler(BaseHandler):
    u"""Used for telling node.js that tornado server has been started."""

    def get(self):
        self.write('/nwdemo/pong')


class Application(tornado.web.Application):

    def __init__(self):
        urls = [
            (r'/', MainHandler),
            (r'/nwdemo/ping', PingHandler),
        ]
        settings = ObjectDict(debug=True)
        tornado.web.Application.__init__(self, urls, settings)


def main():
    h, p = options.host, options.port
    tornado.httpserver.HTTPServer(Application(), xheaders=True).listen(port=p)
    print('http://%s:%s' % (h, p))
    tornado.ioloop.IOLoop.instance().start()


if __name__ == '__main__':
    main()