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@mkoeppe mkoeppe commented Feb 23, 2024

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Both versions of the sagelib setup.py have code that tries to remove the "lazy import cache".

The file name of the lazy import cache in ~/.sage is keyed to SAGE_LIB, so any file name determined at build time is meaningless at runtime when installation goes through wheel building. We remove this code.

As find ~/.sage -name "*-lazy_import*" | xargs ls -lat shows, it has not been in use since 2021, as the Sage library no longer uses any lazy_import of *. But just in case some downstream / user code uses it, we reinstate the cache removal code in build/pkgs/sagelib/spkg-install.in

We deprecate the feature in #37433.

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kiwifb commented Feb 23, 2024

Moving something that is only useful for sage the distro into spkg-install.in and removing it from setup.py? Sounds like a no-brainer, I do not want that stuff in my packages.

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mkoeppe commented Feb 23, 2024

Moving something that is only useful for sage the distro into spkg-install.in and removing it from setup.py? Sounds like a no-brainer, I do not want that stuff in my packages.

Most likely it's not useful for anything, distro or not. Just keeping it out of excessive caution.
Per separation of phases in modern installs, it makes no sense in setup.py any more.

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mkoeppe commented Feb 23, 2024

Thank you!

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vbraun commented Mar 26, 2024

merge conflict

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mkoeppe commented Mar 26, 2024

Trivial rebase.

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Documentation preview for this PR (built with commit b2a56e2; changes) is ready! 🎉

vbraun pushed a commit to vbraun/sage that referenced this pull request Mar 30, 2024
sagemathgh-37433: src/sage/misc/lazy_import.pyx: Deprecate star imports
    
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This is an outdated feature no longer in use in the Sage library.

See sagemath#37432 for details.

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URL: sagemath#37433
Reported by: Matthias Köppe
Reviewer(s): Frédéric Chapoton
@vbraun vbraun merged commit 352716f into sagemath:develop Mar 31, 2024
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3 participants