narwhals.dependencies

get_pandas()

Get pandas module (if already imported - else return None).

get_polars()

Get Polars module (if already imported - else return None).

get_modin()

Get modin.pandas module (if already imported - else return None).

get_cudf()

Get cudf module (if already imported - else return None).

get_pyarrow()

Get pyarrow module (if already imported - else return None).

is_pandas_dataframe(df)

Check whether df is a pandas DataFrame without importing pandas.