server.cgi

#!/usr/bin/python

import requests
import os
import sys
from wsgiref.handlers import CGIHandler

if sys.version_info < (3,):
 def b(x):
 return x
else:
 import codecs

 def b(x):
 return codecs.latin_1_encode(x)[0]


def application(environ, start_response):
 status = '200 OK'

 r = requests.get("http://example.com/")

 output = """
 Made internal subrequest to http://example.com/ and got:
 os.environ[HTTP_PROXY]: %(proxy)s
 os.getenv('HTTP_PROXY'): %(getenv-proxy)s
 wsgi Proxy header: %(wsgi-env-proxy)s
 status code: %(status)d
 text: %(text)s
 """ % {
 'proxy': os.environ['HTTP_PROXY'] if 'HTTP_PROXY' in os.environ else 'none',
 'getenv-proxy': os.getenv('HTTP_PROXY', 'none'),
 'wsgi-env-proxy': environ['HTTP_PROXY'] if 'HTTP_PROXY' in environ else 'none',
 'status': r.status_code,
 'text': r.text
 }

 response_headers = [('Content-type', 'text/plain'),
 ('Content-Length', str(len(b(output))))]

 start_response(status, response_headers)

 return [b(output)]

if __name__ == '__main__':
 CGIHandler().run(application)