Function assert_writeable

xarray/tests/__init__.py:60–70

(ds)

def assert_writeable(ds):
    readonly = [
        name
        for name, var in ds.variables.items()
        if not isinstance(var, IndexVariable)
        and not isinstance(
            var.data, PandasExtensionArray | pd.api.extensions.ExtensionArray
        )
        and not var.data.flags.writeable
    ]
    assert not readonly, readonly


def _importorskip(