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| author | Serhiy Storchaka <storchaka@gmail.com> | 2022-04-06 17:00:14 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-04-06 17:00:14 (GMT) |
| commit | 884eba3c76916889fd6bff3b37b8552bfb4f9566 (patch) | |
| tree | 51fd55d6170cdff327ac11d70f1e5ff1aa7e735a /Lib/copyreg.py | |
| parent | f82f9ce3239b9a7e6ffa278658dd9858f64a3c14 (diff) | |
| download | cpython-884eba3c76916889fd6bff3b37b8552bfb4f9566.zip cpython-884eba3c76916889fd6bff3b37b8552bfb4f9566.tar.gz cpython-884eba3c76916889fd6bff3b37b8552bfb4f9566.tar.bz2 | |
bpo-26579: Add object.__getstate__(). (GH-2821)
Copying and pickling instances of subclasses of builtin types
bytearray, set, frozenset, collections.OrderedDict, collections.deque,
weakref.WeakSet, and datetime.tzinfo now copies and pickles instance attributes
implemented as slots.
Diffstat (limited to 'Lib/copyreg.py')
| -rw-r--r-- | Lib/copyreg.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/copyreg.py b/Lib/copyreg.py index 356db6f..c8a52a2 100644 --- a/Lib/copyreg.py +++ b/Lib/copyreg.py @@ -89,6 +89,10 @@ def _reduce_ex(self, proto): except AttributeError: dict = None else: + if (type(self).__getstate__ is object.__getstate__ and + getattr(self, "__slots__", None)): + raise TypeError("a class that defines __slots__ without " + "defining __getstate__ cannot be pickled") dict = getstate() if dict: return _reconstructor, args, dict |