Show request info in chrome dev tools manner. Tornado used

python

#!/usr/bin/env python
"""
$ curl -d 'hello=world' http://localhost:8888/path/?someparam=1

Request URL: http://localhost:8888/path/?someparam=1
Request Method: POST

Request Headers:
Host: localhost:8888
Content-Type: application/x-www-form-urlencoded
Content-Length: 11
Accept: */*
User-Agent: curl/7.22.0 (x86_64-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3

Request Body:
hello=world

Query String Parameters:
{"someparam": ["1"], "hello": ["world"]}
"""
import json

import tornado.ioloop
import tornado.web

class MainHandler(tornado.web.RequestHandler):
    def get(self):
        self.set_header('Content-Type', 'text/plain')
        self.set_header('Access-Control-Allow-Origin', '*')
        self.set_header('Access-Control-Allow-Headers', 'accept, origin, x-requested-with, x-csrftoken, content-type')
        response = self._get_response()
        print response
        self.write(response)
    head = get
    post = get
    put = get
    patch = get
    delete = get
    options = get

    def _get_response(self):
        headers_text = '\n'.join(
            ['%s: %s' % (header_name, value) 
             for header_name, value 
             in self.request.headers.items()]
        )
        return """
Request URL: {request_url}
Request Method: {request_method}

Request Headers:
{headers}

Request Body:
{body}

Query String Parameters:
{query_string_parameters}
""".format(
    request_url=self.request.full_url(),
    request_method=self.request.method,
    headers=headers_text,
    body=self.request.body,
    query_string_parameters=json.dumps(self.request.arguments)
).lstrip()

application = tornado.web.Application([
    (r".*", MainHandler),
])

if __name__ == "__main__":
    application.listen(8888)
    tornado.ioloop.IOLoop.instance().start()