text: from http.server import HTTPServer, BaseHTTPRequestHandler
  
  PORT = 8000
  
  
  class TestHandler(BaseHTTPRequestHandler):
  
      def _print_request_data(self):
          print('POST request received')
          print("Content-length: {}".format(self.content_length))
          print(self.data.decode('utf-8'))
  
      def _send_200(self):
          self.send_response(200)
          self.send_header('Content-type', 'text/html')
          self.end_headers()
  
      def do_POST(self, *args, **kwargs):
          self.content_length = self.headers['Content-Length']
          self.data = self.rfile.read(int(self.content_length))
          self._print_request_data()
          self._send_200()
          self.wfile.write('POST successful; received this: \n'.encode('utf-8'))
          self.wfile.write(self.data)
  
  
  def run(server_class=HTTPServer, handler_class=TestHandler):
      print(f"Launching server at  http://localhost:{PORT}")
      server_address = ('', PORT)
      httpd = server_class(server_address, handler_class)
      httpd.serve_forever()
  
  run()
  