Function _unwrap_memoryviewslices

sklearn/utils/_array_api.py:357–372

(*arrays)

def _unwrap_memoryviewslices(*arrays):
    # Since _cyutility._memoryviewslice is an implementation detail of the
    # Cython runtime, we would rather not introduce a possibly brittle
    # import statement to run `isinstance`-based filtering, hence the
    # attribute-based type inspection.
    unwrapped = []
    for a in arrays:
        a_type = type(a)
        if (
            a_type.__module__ == "_cyutility"
            and a_type.__name__ == "_memoryviewslice"
            and hasattr(a, "base")
        ):
            a = a.base
        unwrapped.append(a)
    return unwrapped


def get_namespace(