Method __deepcopy__

xarray/core/treenode.py:296–297

(self, memo: dict[int, Any] | None = None)

        return self._copy_subtree(inherit=True, deep=False)

    def __deepcopy__(self, memo: dict[int, Any] | None = None) -> Self:
        return self._copy_subtree(inherit=True, deep=True, memo=memo)

    def _iter_parents(self) -> Iterator[Self]:
        """Iterate up the tree, starting from the current node's parent."""