Function is_dataframe_like

dask/utils.py:1513–1526

Looks like a Pandas DataFrame

(df)

def is_dataframe_like(df) -> bool:
    """Looks like a Pandas DataFrame"""
    if (df.__class__.__module__, df.__class__.__name__) == (
        "pandas.core.frame",
        "DataFrame",
    ):
        # fast exec for most likely input
        return True
    typ = df.__class__
    return (
        all(hasattr(typ, name) for name in ("groupby", "head", "merge", "mean"))
        and all(hasattr(df, name) for name in ("dtypes", "columns"))
        and not any(hasattr(typ, name) for name in ("name", "dtype"))
    )


def is_series_like(s) -> bool: