Function normalize_object

dask/tokenize.py:195–216

(o)

@normalize_token.register(object)
def normalize_object(o):
    method = getattr(o, "__dask_tokenize__", None)
    if method is not None and not isinstance(o, type):
        return method()

    if type(o) is object:
        return _normalize_pure_object(o)

    if isinstance(o, type):
        copyreg._slotnames(o)

    if dataclasses.is_dataclass(o) and not isinstance(o, type):
        return _normalize_dataclass(o)

    try:
        return _normalize_pickle(o)
    except Exception:
        _maybe_raise_nondeterministic(
            f"Object {o!r} cannot be deterministically hashed. This likely "
            "indicates that the object cannot be serialized deterministically."
        )
        return uuid.uuid4().hex


_seen_objects = set()