Re: [PATCH 0/8] Python: Fix 'make check-dev' and modernize to 3.9+

[Markus Armbruster <armbru@redhat.com>]

John Snow <jsnow@redhat.com> writes:

> This series does a couple things that I'll probably end up splitting out
> into smaller series if history is any guide, but either way, here it
> goes:
>
> A) Convert qemu.git/python/ to a PEP517/pyproject.toml
> package. Ultimately this means deleting setup.py and fully migrating to
> newer python infrastructure. I think this should be safe to do by now,
> but admittedly I am not *confident* as it relies on setuptools versions
> in the wild, not python versions. My motivation for trying it is to fix
> "make check-dev", which has been broken for the last two Fedora releases
> under newer setuptools which have started removing support for the
> pre-PEP517 packaging formats, which will only continue to get worse from
> here on out.
>
> B) Sync changes from the qemu.qmp package back over to qemu.git. I know
> I need to decouple this badly, but in order to do so, I need to make
> sure they're synchronized to be assured that the switch to the
> standalone version won't break anything, so this is a necessary
> step. It's happening here because of the 3.6+ compat crud we are still
> carrying in qemu.git that has since been removed from the standalone
> library.
>
> C) Move us to 3.9+ style type hints. I know it feels like we just got
> the type hints settled and we're already changing them. Sorry about
> that. They are deprecated in 3.9, and *could* be removed at any time. I
> figured now was a good time as any to get rid of them before they become
> a problem randomly some day in the future.
>
> D) Update the mypy configuration to check under multiple Python versions
> more effectively and thoroughly.
>
> Whew.
> --js

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