The @passagemath.org project applies a 2-phase build procedure in the style of #cibuildwheel – first build the wheel, then "repair" it (vendor non-Python deps into it) – also to some arch-independent #Python packages, e.g., the #Mathematics databases from #GAPSystem.
pypi.org/project/pass...
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passagemath-conf is both a build-time (PEP-518) and runtime dep ("install-requires") of these @passagemath.org packages with non #Python deps. When preparing self-contained wheels using cibuildwheel, we vendor the non-Python runtime deps into the wheel and delete the runtime dep passagemath-conf. 5/

The design and API of sage_conf live on in the @passagemath.org project. All pip-installable packages with non #Python dependencies, when installed from source instead of from the provided binary wheels on PyPI, call out to passagemath-conf to orchestrate the build.
pypi.org/project/pass...
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I explained the architecture of sage_conf in a series of Tweets (now imported to Bluesky) in 2021.
bsky.app/profile/mkoe...
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sage_conf orchestrated the build and installation of the numerous non-Python dependencies of #SageMath and also provided a wheelhouse. The new installation method, using only standard #Python tools, was announced in github.com/sagemath/sag..., section "Alternative installation methods using pip". 2/

Even just one utopia is too expensive. Dystopias are on sale, however.

Try adjusting the Reynolds number

Just switch to @passagemath.org, which respects its contributors, does proper release management, and has supported #Python 3.14 since version 10.6.31.
#SageMath #OpenSource