from http.server import HTTPServer, SimpleHTTPRequestHandler

class CORSHandler(SimpleHTTPRequestHandler):
    def end_headers(self):
        self.send_header('Access-Control-Allow-Origin', '*')
        self.send_header('Access-Control-Allow-Methods', 'GET, OPTIONS')
        self.send_header('Access-Control-Allow-Headers', '*')
        super().end_headers()

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

server = HTTPServer(('0.0.0.0', 8765), CORSHandler)
server.serve_forever()