Re: Prevent pip from breaking the system by adopting PEP 668

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On 5/17/23 16:56, Jude DaShiell wrote:
I found pipenv works well.  A package jrnl wouldn't run once built with
pip but does run inside pipenv.  This creates a virtual environment for
building and running packages so once jrnl got built doing pipenv run jrnl
runs the program.

I'm now following how the above helps package maintainers. Quite possibly I'm missing something.

To build a package, makepkg first builds the wheel within the build() macro in PKGBUILD, then the next step is the install() macro which installs the wheel into $pkgdir. These are then wrapped into the package file (foo.zst)

At present this is accomplished (say) by using for the install part something like

    pip --root $pkgdir dist/*.whl

which changes the default install "root" from /usr to $pkgdir. The newly created package now has all the right files so that the package (foo.zst) is installable using pacman once its in available in a repo etc.

If foo has an executable, then it should be in a standard place (/usr/bin or possibly /usr/local/bin) - no venv's should be needed by any user that installed the package.

Best

gene





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