code: def get(self, callback):
          '''
          Gets an item based on the path.
          '''
          derived_path = self.context.request.url
          logger.debug('[{log_prefix}]: get.derived_path: {path}'.format(
              log_prefix=LOG_PREFIX, path=derived_path))
          callback(self.storage.get(self.result_key_for(derived_path))f get(self, callback):
          '''
          Gets an item based on the path.
          '''
          derived_path = self.context.request.url
          logger.debug('[{log_prefix}]: get.derived_path: {path}'.format(
              log_prefix=LOG_PREFIX, path=derived_path))
          callback(self.storage.get(self.result_key_for(derived_path)))
docs: Gets an item based on the path.