code: def get_content_size(self, path):
          "Return size of files/dirs contents excluding parent node."
          node = self._get_node(path)
          return self._get_content_size(node) - node.sizf get_content_size(self, path):
          "Return size of files/dirs contents excluding parent node."
          node = self._get_node(path)
          return self._get_content_size(node) - node.size
docs: Return size of files/dirs contents excluding parent node.