code: def get_key_from_request(self):
          '''Return a key for the current request url.
  
          :return: The storage key for the current url
          :rettype: string
          '''
  
          path = "result:%s" % self.context.request.url
  
          if self.is_auto_webp():
              path += '/webp'
  
          return patf get_key_from_request(self):
          '''Return a key for the current request url.
  
          :return: The storage key for the current url
          :rettype: string
          '''
  
          path = "result:%s" % self.context.request.url
  
          if self.is_auto_webp():
              path += '/webp'
  
          return path
docs: Return a key for the current request url.
  
          :return: The storage key for the current url
          :rettype: string