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I'm seeing a bit of accidental FUD around `setup.py` in relation to `pyproject.toml` in Python packaging that I want to clear up.

The key point is `setup.py` isn't going anywhere! If you want to keep using it to configure setuptools, then keep doing it! All you do in `pyproject.toml` is specify setuptools are your build back-end.

The thing that HAS changed is setuptools deprecated calling `setup.py` DIRECTLY; e.g., don't do `python3 setup.py bdist_wheel` anymore, do `pipx run build` instead.