Function _register_accessor

dask/dataframe/accessor.py:88–102

(name, cls)

def _register_accessor(name, cls):
    def decorator(accessor):
        if hasattr(cls, name):
            warnings.warn(
                f"registration of accessor {accessor!r} under name {name!r} for type "
                f"{cls!r} is overriding a preexisting attribute with the same "
                "name.",
                UserWarning,
                stacklevel=2,
            )
        setattr(cls, name, CachedAccessor(name, accessor))
        cls._accessors.add(name)
        return accessor

    return decorator


def register_dataframe_accessor(name):