gistfile1.txt

import tornado.httpserver
import tornado.ioloop
import tornado.web

class MainHandler(tornado.web.RequestHandler):

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


class UserHandler(tornado.web.RequestHandler):

    def post(self):
        self.write('')


class UserInfoHandler(tornado.web.RequestHandler):

    def get(self, id):
        self.write(id)


app = tornado.web.Application([(r'/', MainHandler),
                                  (r"/user", UserHandler),
                                  (r"/user/(\d+)", UserInfoHandler)])