Method _get_unclosed_file

xarray/backends/file_manager.py:379–384

(self)

        return getattr(self, "_file", None) is None

    def _get_unclosed_file(self) -> T_File:
        if self._closed:
            raise RuntimeError("file is closed")
        file = self._file
        assert file is not None
        return file

    def acquire(self, needs_lock: bool = True) -> T_File:
        del needs_lock  # unused