Method __del__

xarray/backends/file_manager.py:410–420

(self)

            self._kwargs = {}

    def __del__(self) -> None:
        if not self._closed:
            self.close()

            if OPTIONS["warn_for_unclosed_files"]:
                warnings.warn(
                    f"deallocating {self}, but file is not already closed. "
                    "This may indicate a bug.",
                    RuntimeWarning,
                    stacklevel=2,
                )

    def __getstate__(self):
        # file is intentionally omitted: we want to open it again