Any thoughts on what if any would be the equivalent of a

Question

Any thoughts on what if any would be the equivalent of a <https thethoughtfulkoala com posts 2020 05 16 bazel hermetic python html|hermetic python in bazel> for pants We d really like to avoid using anything on system as much as possible since it s caused us issues in the past

wide-midnight-78598 · Answer

Maybe something like this <https github com pantsbuild pants issues 7369>

hundreds-father-404 · Answer

I m nervous to say this because I know how many issues there can be getting Python to build so it could result in lots of support issues but I would be curious to see Pants build Python for you possibly a la Pyenv The Rules API design means that it would be fairly easy for us to swap out our current Python interpreter discovery in favor of Python built by Pants it s encapsulated fairly well already

hundreds-father-404 · Answer

We already have Pants installing Java and Scala for you iirc along with Protoc Shellcheck etc I think the main places we leak out are discovering Python discovering Bash to run some internal scripts discovering unzip zip and tar to unpack and pack archive files discovering Docker when building a PEX we default to the PATH being available because of sdists needing to be compiled

witty-crayon-22786 · Answer

< high yak 85899> one thing that can work reasonably well but doesn t go as far as actually building a Python from scratch is 1 limiting the to only pyenv or only some other system python that you know is trusted 2 bounding the version precisely to the relevant version in pyenv

witty-crayon-22786 · Answer

that will unfortunately mean actually maintaining that version on user s machines though we can t yet help with that

high-yak-85899 · Answer

Okay good to know what s possible now and that the idea is open for future versions