a minimal http server in python. Responds to GET, HEAD, POST requests, but will fail on anything else.

dummy-web-server.py

#!/usr/bin/env python3
"""
Very simple HTTP server in python.

Usage::
    ./dummy-web-server.py [<port>]

Send a GET request::
    curl http://localhost

Send a HEAD request::
    curl -I http://localhost

Send a POST request::
    curl -d "foo=bar&bin=baz" http://localhost

"""
from http.server import BaseHTTPRequestHandler, HTTPServer
import socketserver
import time

class S(BaseHTTPRequestHandler):
    def _set_headers(self):
        self.send_response(200)
        self.send_header('Content-type', 'application/json')
        self.end_headers()

    def do_GET(self):
        self._set_headers()
        self.wfile.write(("""{ "time": %d }""" % int(time.time())).encode())

    def do_HEAD(self):
        self._set_headers()
        
    def do_POST(self):
        # Doesn't do anything with posted data
        content_length = int(self.headers['Content-Length']) # <--- Gets the size of data
        post_data = self.rfile.read(content_length).decode('UTF-8') # <--- Gets the data itself
        self._set_headers()
        self.wfile.write(("""{ "data": "%s", "time": %d }""" % (post_data, int(time.time()))).encode())
        
def run(server_class=HTTPServer, handler_class=S, port=80):
    server_address = ('', port)
    httpd = server_class(server_address, handler_class)
    print('Starting httpd...')
    httpd.serve_forever()

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

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