code: def wsgi_handler(func):
      
  
      @wraps(func)
      def inner(*args):
          self, environ, start_response, *args = args
          request = Request(environ)
  
          try:
              response = func(self, request)
          except Exception as err:
              raise
          else:
              return response(environ, start_response)
  
      return inner
docs: Set a instance method to be call as a wsgi application, adding common
      behavior and using webob.Request for practical use.
  
  
      @wsgi_handler
      def handle_verify_token(self, request):
          pass
  
      :param func:
      :return: