Function meta_nonempty_object

dask/dataframe/backends.py:345–357

Create a nonempty pandas object from the given metadata. Returns a pandas DataFrame, Series, or Index that contains two rows of fake data.

(x)

@meta_nonempty.register(object)
def meta_nonempty_object(x):
    """Create a nonempty pandas object from the given metadata.

    Returns a pandas DataFrame, Series, or Index that contains two rows
    of fake data.
    """
    if is_scalar(x):
        return _nonempty_scalar(x)
    else:
        raise TypeError(
            "Expected Pandas-like Index, Series, DataFrame, or scalar, "
            f"got {typename(type(x))}"
        )


@meta_nonempty.register(pd.DataFrame)