Fix mypy v1 plugin for mypy 1.11 release

[flaeppe]

Change Summary

Repairs the mypy plugin for pydantic v1 by passing a namespace when defining a TypeVarId for mypy>=1.11. This is a continuation on the changes in #9586 which missed the new namespace argument from python/mypy#17311

I arrived at these changes by bisecting mypy, via my own project that got stuck at the issue in #10000, and ending up at python/mypy#17311.

python/mypy#17311 includes similar changes to the one found in here for mypy's attrs plugin:

https://github.com/python/mypy/blob/8332c6e7992fa9655b79ef55c410a805ad1e6d34/mypy/plugins/attrs.py#L841-L843

I know this is part of 1.10.x but I found the quite recent #10000 (comment) that you could consider a PR with a fix. I hope this is still OK. I'm also hoping I'm doing the right thing here by opening a PR towards 1.10.x-fixes instead of main.

Related issue number

fix #10000

• Refs Use namespaces for function type variables python/mypy#17311
• Refs Fix mypy v1 plugin for upcoming mypy release #9586

Checklist

• The pull request title is a good summary of the changes - it will be used in the changelog
• Unit tests for the changes exist
• Tests pass on CI
• Documentation reflects the changes where applicable
• My PR is ready to review, please add a comment including the phrase "please review" to assign reviewers

skip change file check

Selected Reviewer: @hramezani

[flaeppe]

please review

[sydney-runkle]

@flaeppe,

Great work! Happy to merge, but we need to fix CI - could you please look into these failures?

[flaeppe]

"build" jobs seemed to have connection errors, retrial of those hopefully works, found this in the job logs:

  Unable to find image 'quay.io/pypa/manylinux2014_x86_64:2024-03-10-4935fcc' locally
  Error response from daemon: received unexpected HTTP status: 502 Bad Gateway

The lint step, twine check, I hunted down to pypa/twine#1125. Pinning importlib-metadata==7.2.1, one of twine's dependencies seems to have fixed the problem. Ref pypa/twine#1125 (comment)

[flaeppe]

Oh, wait, I missed that there was a 5.1.1 twine release already. Let's try if bumping twine works first.

[sydney-runkle]

Oh, wait, I missed that there was a 5.1.1 twine release already. Let's try if bumping twine works first.

Awesome, thanks for digging around for the fix!