Simple Python 3 HTTP server for logging all GET and POST requests (CORS enabled)

server.py

#!/usr/bin/env python3
"""
License: MIT License
Copyright (c) 2023 Miel Donkers
Very simple HTTP server in python for logging requests
Modified for CORS (Access-Control-Allow-Origin) when e.g. sending requests from the frontend
Usage::
  ./server.py [<port>]
"""
from http.server import BaseHTTPRequestHandler, HTTPServer
import logging

class S(BaseHTTPRequestHandler):
    def _set_response(self):
        self.send_response(200)
        self.send_header('Content-type', 'text/html')
        self.send_header('Access-Control-Allow-Origin', '*')  # Allow all origins
        self.send_header('Access-Control-Allow-Headers', 'Content-Type, Icon, Title')  # Add 'Title' here
        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 {}".format(self.path).encode('utf-8'))

    def do_POST(self):
        content_length = int(self.headers['Content-Length'])
        post_data = self.rfile.read(content_length)
        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 do_OPTIONS(self):  # Handle preflight OPTIONS request
        self.send_response(200)
        self.send_header('Content-type', 'text/plain; charset=utf-8')
        self.send_header('Access-Control-Allow-Origin', '*')  # Allow all origins
        self.send_header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS')
        self.send_header('Access-Control-Allow-Headers', 'Content-Type, Icon, Title')  # Add 'Title' here
        self.end_headers()

def run(server_class=HTTPServer, handler_class=S, port=8081):
    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()