Another corner case I just had to add to pytype - attrs supports `kw_only` annotations on individual fields. It seems worth adding that to the list of standard `field` parameters.

martin

On Thu, Apr 29, 2021 at 2:09 PM Eric Traut <eric@traut.com> wrote:

Thanks for the feedback, Martin.

That's a good point about `office_number` being interpreted as a class variable. My intent was to match the semantics of dataclass, and this was simply a bug in the spec. I've updated the spec accordingly.

As for `InitVar`, none of the other libraries that I've reviewed have a similar concept (at least that I've noticed), so I didn't see a need to add support for custom `InitVar` classes. If one of these libraries decides to add support in the future, I would encourage them to use `dataclass.InitVar` rather than creating a new class with the same semantics.

-Eric

--
Eric Traut
Contributor to Pyright & Pylance
Microsoft Corp.
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