Python CORS simple http server

cors_server.py

from http.server import HTTPServer, SimpleHTTPRequestHandler, test
import sys


class CORSRequestHandler (SimpleHTTPRequestHandler):
    def _send_cors_headers(self):
        self.send_header("Access-Control-Allow-Origin", "*")
        self.send_header("Access-Control-Allow-Methods", "GET,POST,OPTIONS")
    
    def end_headers (self):
        self._send_cors_headers()
        SimpleHTTPRequestHandler.end_headers(self)

    def do_OPTIONS(self):
        self.send_response(200)
        self._send_cors_headers()
        self.end_headers()
        

if __name__ == '__main__':
    test(CORSRequestHandler, HTTPServer, port=int(sys.argv[1]) if len(sys.argv) > 1 else 8000)