code: def peek_all(self, model_class):
          
          if self._cache:
              return self._cache.get_records(model_class.__name__)
          else:
              return []
docs: Return a list of models from the local cache.
  
          Args:
              model_class (:class:`cinder_data.model.CinderModel`): A subclass of
                  :class:`cinder_data.model.CinderModel` of your chosen model.
  
          Returns:
              list: A list of instances of you model_class or and empty list.