web.py return request headers

webpy_main.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import json

import web

urls = (
    '/', 'Index',
)

app = web.application(urls, globals())


class Index(object):
    def GET(self):
        headers = web.ctx.env
        for key in headers.copy():
            if 'wsgi' in key:
                headers.pop(key)
        body = json.dumps(headers, indent=2)
        print(body)
        return body


if __name__ == '__main__':
    web.config.debug = True
    app.run()