Method _pre_attach

xarray/core/treenode.py:512–514

Method call before attaching to `parent`.

(self, parent: Self, name: str)

        pass

    def _pre_attach(self, parent: Self, name: str) -> None:
        """Method call before attaching to `parent`."""
        pass

    def _post_attach(self, parent: Self, name: str) -> None:
        """Method call after attaching to `parent`."""