from http.server import SimpleHTTPRequestHandler, ThreadingHTTPServer


class Handler(SimpleHTTPRequestHandler):
    def end_headers(self):
        if self.path.split('?', 1)[0].endswith('/latest.json'):
            self.send_header('Cache-Control', 'no-cache')
        super().end_headers()


ThreadingHTTPServer(('127.0.0.1', 18888), Handler).serve_forever()