Implement `--executable' option (#257) #258
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https://github.com/pypa/installer/issue/257 pypa/installer#258 This wille enable us to install Python scripts with #! lines for LOCALBASE rather than TOOLBASE (or, from another perspective, CROSS_LOCALBASE rather than LOCALBASE). For example, if you're doing cross-builds in /home/user/pkg for /usr/pkg, the Python executable running installer will be /home/usr/pkg/bin/python3.12 at build-time but we need to bake /usr/pkg/bin/python3.12 into the build product.
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@pradyunsg Oh, I didn't know that existed before... I will revert this feature. @riastradh sorry, I missed some history lessons on the previous decisions in the project. Thank you for doing the work, but your feature won't be happening. |
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That's disappointing. It looks like we will end up having to maintain this tiny eight-line patch locally anyway for the necessary functionality, which raises the maintenance burden (but is almost certainly a lower maintenance burden than writing and maintaining our own scripts). I understand that this is your project, not mine, and I'm asking for you to volunteer time on this, but can I trouble you to expand on why --prefix and --destdir are acceptable while --executable is not? All three are needed in order to install into a fixed file system layout, as I explained at #257. I read the discussion at #107 but I didn't understand what makes --executable so much more objectionable than --prefix or --destdir. For example, "one of the things I want to avoid is redistributors inventing their own target schemes" suggests to me that redistributors should be using bog-standard upstream-maintained tooling like pypa-installer instead of rolling their own custom scripts to install wheels, but you're suggesting everyone do the latter instead, which I don't understand. |
Resolves: #257