ebea5c41110303523045f46a0f08bd03101b51d5,python/ray/cloudpickle/cloudpickle_fast.py,,_class_getstate,#Any#,144

Before Change

    if "_abc_impl" in clsdict:
        (registry, _, _, _) = abc._get_dump(obj)
        clsdict["_abc_impl"] = [subclass_weakref()
                                for subclass_weakref in registry]
    if hasattr(obj, "__slots__"):
        // pickle string length optimization: member descriptors of obj are
        // created automatically from obj"s __slots__ attribute, no need to

After Change

    clsdict = _extract_class_dict(obj)
    clsdict.pop("__weakref__", None)

    if issubclass(type(obj), abc.ABCMeta):
        // If obj is an instance of an ABCMeta subclass, dont pickle the
        // cache/negative caches populated during isinstance/issubclass
        // checks, but pickle the list of registered subclasses of obj.
        clsdict.pop("_abc_cache", None)
        clsdict.pop("_abc_negative_cache", None)
        clsdict.pop("_abc_negative_cache_version", None)
        clsdict.pop("_abc_impl", None)
        registry = clsdict.pop("_abc_registry", None)
        if registry is None:
            // in Python3.7+, the abc caches and registered subclasses of a
            // class are bundled into the single _abc_impl attribute
            if hasattr(abc, "_get_dump"):
                (registry, _, _, _) = abc._get_dump(obj)
                clsdict["_abc_impl"] = [subclass_weakref()
                                        for subclass_weakref in registry]
            else:
                // FIXME(suquark): The upstream cloudpickle cannot work in Ray
                // because sometimes both "_abc_registry" and "_get_dump" does
                // not exist. Some strange typing objects may cause this issue.
                // Here the workaround just set "_abc_impl" to None.
                clsdict["_abc_impl"] = None
        else:
            // In the above if clause, registry is a set of weakrefs -- in
            // this case, registry is a WeakSet
            clsdict["_abc_impl"] = [type_ for type_ in registry]

    if "__slots__" in clsdict:
        // pickle string length optimization: member descriptors of obj are
        // created automatically from obj"s __slots__ attribute, no need to
        // save them in obj"s state

Instances