docs: def log_request(handler):
      """
      Logging request is opposite to response, sometime its necessary,
      feel free to enable it.
      """
      block = 'Request Infomations:\n' + _format_headers_log(handler.request.headers)
  
      if handler.request.arguments:
          block += '+----Arguments----+\n'
          for k, v in handler.request.arguments.items():
              block += '| {0:<15} | {1:<15} \n'.format(repr(k), repr(v))
  
      app_log.info(block)