Please make the build PEP 517 compliant PEP 517 – A build-system independent format for source trees | peps.python.org Python Enhancement Proposals (PEPs) Package operations: 1 install, 0 updates, 0 removals • Installing pystan (2.19.1.1): Failed Chef…

PyStan 2.x is not supported anymore. Is there a specific reason you need to use it?

more recent versions of pystan require httpstan. httpstan requires x86-64 CPU. i’m using M2 Max with Sonoma 14.0

You can build your own httpstan following Installation — httpstan 4.10.1 documentation

we’re building httpstan in our CI pipelines/locally currently. installing pystan==3.7.0 is not as simple as pip install on apple silicon, as far as i can tell this is because the build is not PEP 517 compliant. what would it take to make httpstan/pystan PEP 517 compliant (and any other changes) so…

Ok, so PyStan 3.x is not pep complient. Good question, @ariddell any ideas what are we missing?

First, direct your attention to httpstan – that’s always going to be the issue, not pystan. You can’t build httpstan automatically from source due to the complicated Makefile. The path to fixing this issues lies with scikit-build, I think. If we use scikit-build we could get everything to build fro…

It might be possible to get Apple Silicon wheels using our current setup now that Github Actions has beta support for Apple Silicon runners. But this seems to cost money and probably requires a bit of local experimentation with an Apple Silicon laptop/desktop (to verify that the Github Actions scrip…

i’d be willing to assist with experimentation on M2 Max and M1 processors rewriting the current build scheme in cmake – not sure if i’d have time for that. i haven’t used cmake/cpp/c seriously in ~a decade. do you have a rough estimate of how long it’d take for a ~newcomer to rewrite in cmake?

Thanks @er-eis . I wish I knew how much work was involved. It may be possible to have cmake use the existing (complicated) Makefile. If this is possible then switching to scikit-build could be quite easy.

Pystan build is not PEP 517 compliant

Developers

mitzimorris October 5, 2023, 1:48pm 6

have you considered CmdStanPy? cf CmdStanPy 1.0 - #3 by WardBrian

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Pystan build is not PEP 517 compliant

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