poetry poc: foreign pip

This is a take on an alternate solution to our current embedded/in-venv pip woes: use a 'foreign' pip installed in Poetry's env to manage files in the project venv.

This works, except for scripts as --target does not install scripts properly, and --prefix cannot be used with the wheel platform overrides. However, if pip grows support for --prefix instead of --target in our use case, this could be a viable transitional approach for 1.2.

Tests are going to be totally busted as I have not upgraded any of them for the new code yet.

Sep 09 '22 05:09 neersighted

After discussion with pip devs, https://github.com/pypa/pip/pull/11320 is merged and will be released soon, and will allow this to go forward without any of the drawbacks (having to gather wheel tags/not getting scripts) as we can just pass the path to the target interpreter to pip.

Sep 17 '22 15:09 neersighted

Since we now have installer, I'd rather go towards using installer rather than subprocessing to pip. The ultimate goal should be to remove all calls to pip.

May 17 '23 09:05 Secrus

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Mar 03 '24 20:03 github-actions[bot]