import http.server

class NoCacheHandler(http.server.SimpleHTTPRequestHandler):
    def end_headers(self):
        self.send_header("Cache-Control", "no-cache, no-store, must-revalidate")
        self.send_header("Pragma", "no-cache")
        self.send_header("Expires", "0")
        super().end_headers()

if __name__ == "__main__":
    server_address = ('', 8274) 
    httpd = http.server.HTTPServer(server_address, NoCacheHandler)
    print(f"Serving HTTP on local address http://127.0.0.1:8274 ...")
    try:
        httpd.serve_forever()
    except KeyboardInterrupt:
        print("\nKeyboard interrupt received, exiting.")
        httpd.server_close()