14     def _set_headers(self):  argument
15         self.send_response(200)
16         self.send_header('Content-Type', 'text/html')
17         self.send_header('Content-Length', str(self.length))
18         self.end_headers()
20     def do_POST(self):  argument
22         self.length = len(payload)
23         self._set_headers()
24         self.wfile.write(payload.encode())
26     def do_GET(self):  argument
28         self.length = len(payload)
29         self._set_headers()
30         self.wfile.write(payload.encode())