Python HTTP server that echos GET requests

reflect.py

#!/usr/bin/env python
# Reflects the requests from HTTP GET methods
# Written by Nathan Hamiel (2010), modified by Michael Goodness (2015)

from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
from argparse import ArgumentParser
from urlparse import urlparse

import daemon
import socket


class RequestHandler(BaseHTTPRequestHandler):

    def do_GET(self):
        parsed_path = urlparse(self.path)
        message_parts = [
            'hostname=%s' % socket.gethostname(),
            'path=%s' % self.path,
            'real path=%s' % parsed_path.path,
            'HEADERS:',
        ]
        for name, value in sorted(self.headers.items()):
            message_parts.append('%s=%s' % (name, value.rstrip()))
        message_parts.append('')
        message = '\r\n'.join(message_parts)
        self.send_response(200)
        self.end_headers()
        self.wfile.write(message)
        return

    do_DELETE = do_GET


def main():
    parser = ArgumentParser(
        description='An http server that echos GET requests')
    parser.add_argument(
        '--port', default=8080, help='listening port [default: 8080]')
    args = parser.parse_args()

    server = HTTPServer(('', int(args.port)), RequestHandler)

    daemon_context = daemon.DaemonContext()
    daemon_context.files_preserve = [server.fileno()]
    with daemon_context:
        server.serve_forever()


if __name__ == "__main__":
    main()