El sáb, 23 abr 2022 a las 4:26, Petr Viktorin (<encu...@gmail.com>) escribió:
> Hello, > As an initial implementation that will be improved in the future, the > specification in PEP 681 is fine. Feel free to add the decorator to > Python 3.11 at your convenience. > Thanks Petr, that's great to hear! I opened a PR at https://github.com/python/cpython/pull/91861 so we can get the new decorator in before the feature freeze. > > However, the PEP includes several worrying recommendations like: > > - we recommend that the maintainers of attrs move away from the legacy > semantics and adopt auto_attribs behaviors by default. > - We chose not to support this feature and recommend that attrs users > avoid converters. > - Attrs users should use the dataclass-standard eq and order parameter > names instead. > > These are probably meant as recommendations from typing-sig, but an > accepted PEP represents consensus of the entire Python community. A > typing PEP is not an appropriate place to make recommendations like > this, especially without reaching out to the maintainer of attrs. > As far as I know,the attrs and pydantic libraries are using the > reference implementation, but their authors weren't consulted on the PEP > itself. > > Could you either change the wording (e.g. say that the unsupported > features need bespoke type-checker functionality for proper type > checking), or work with attrs to make the same recommendations in its > documentation? > Agree that these recommendations sound overly normative. I think we should remove the recommendations and simply spell out the features that won't work with dataclass_transform(). It's up to users' own judgment what they do with that information. Erik, could you propose a change to the PEP text? > > > Happy typing, > — Petr, on behalf of the Steering Council > _______________________________________________ > Typing-sig mailing list -- typing-...@python.org > To unsubscribe send an email to typing-sig-le...@python.org > https://mail.python.org/mailman3/lists/typing-sig.python.org/ > Member address: jelle.zijls...@gmail.com >
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