server.py

#!/usr/bin/env python3
"""
Very simple HTTP server in python for logging requests
Usage::
    ./server.py [<port>]
"""
from http.server import BaseHTTPRequestHandler, HTTPServer
from urllib import parse
import pprint
import logging

class S(BaseHTTPRequestHandler):
    def _set_response(self):
        self.send_response(200)
        self.send_header('Content-Type', 'text/plain; charset=utf-8')
        self.end_headers()

    def do_GET(self):
        logging.info("GET request,\nPath: %s\nHeaders:\n%s\n", str(self.path), str(self.headers))
        self._set_response()
        self.wfile.write("GET request for {}\n".format(self.path).encode('utf-8')) 
        self.wfile.write("The following is decoded querystring:\n".encode('utf-8'))
        qs = parse.urlparse(self.path)[4]
        queries = parse.parse_qs(qs, keep_blank_values=True)
        # Normally, parse_qs deals with url encoding, but if your callback invoker somehow
        # double-urlencode parameters, the following line once again url-decodes the query parameters.
        queries = {k: [parse.unquote(s, encoding="utf-8") for s in v] for k, v in queries.items()}
        fq = pprint.pformat(queries)
        self.wfile.write(fq.encode("utf-8"))


    def do_POST(self):
        content_length = int(self.headers['Content-Length']) # <--- Gets the size of data
        post_data = self.rfile.read(content_length) # <--- Gets the data itself
        logging.info("POST request,\nPath: %s\nHeaders:\n%s\n\nBody:\n%s\n",
                str(self.path), str(self.headers), post_data.decode('utf-8'))

        self._set_response()
        self.wfile.write("POST request for {}".format(self.path).encode('utf-8'))

def run(server_class=HTTPServer, handler_class=S, port=8080):
    logging.basicConfig(level=logging.INFO)
    server_address = ('', port)
    httpd = server_class(server_address, handler_class)
    logging.info('Starting httpd...\n')
    try:
        httpd.serve_forever()
    except KeyboardInterrupt:
        pass
    httpd.server_close()
    logging.info('Stopping httpd...\n')

if __name__ == '__main__':
    from sys import argv

    if len(argv) == 2:
        run(port=int(argv[1]))
    else:
        run()