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GeezerVison is showing github.com — gh-142466: Pixi package definitions for downstream use by lucascolley · Pull Request #142469 · python/cpython

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lucascolley commented Dec 9, 2025

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implementation for gh-142466, supporting numpy/numpy#30381 and scipy/scipy#24066.

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lucascolley added 2 commits

December 5, 2025 22:43


          WIP: ENH: Pixi package definitions for downstream development

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          linux-64 support

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bedevere-app Bot mentioned this pull request

Dec 9, 2025

Add pixi definitions for building with the address sanitizer #142466

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lucascolley commented

Dec 9, 2025

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lucascolley mentioned this pull request

Dec 9, 2025

Feature: Add guide to install system dependencies with Pixi python/devguide#1669

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December 9, 2025 15:27

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lucascolley commented Dec 9, 2025

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ping @FFY00 @hugovk @lysnikolaou

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StanFromIreland commented Dec 9, 2025

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You need to update the branch to fix the CI.

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          Merge branch 'main' into pixi-build

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lucascolley commented

Dec 9, 2025

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lucascolley added 4 commits

December 9, 2025 20:08


          tidy gitignore

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          respond to review

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- switch cases on `PYTHON_VARIANT`
- remove `minor_version` by using `python3`
- remove runtime-only asan options


          README updates

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          use .md to preview rendering

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Tools/pixi-packages/asan/recipe.yaml Outdated

		@@ -0,0 +1,65 @@
		context:
		# XXX: keep up to date

hugovk Dec 10, 2025

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Re: https://discuss.python.org/t/cryptic-sequences-in-comments/38694

Can we replace all the "XXX" with "TODO" or something else? Maybe we don't even need it here:

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	# XXX: keep up to date
	# Keep up to date

If we do merge this, we have code in https://github.com/python/release-tools which is run during the first beta, when main becomes the next version, that updates a bunch of versions in the repo. And we can later update that to also update these versions.

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lucascolley Dec 10, 2025

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https://rattler-build.prefix.dev/latest/experimental_features/#load_from_filefile_path may remove the need for this

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lucascolley Dec 10, 2025

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Is there a YAML, TOML, or JSON file that contains the version @hugovk ? If not, could we add one?

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hugovk Dec 10, 2025

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There isn't. Yes we can add one, it removes duplication here, and will be easier to programmatically update such a file.

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lucascolley Dec 10, 2025

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any preference for format / location / name?

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hugovk Dec 17, 2025

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Sorry, I missed this because it was marked as resolved but I don't think it has been :)

Format: TOML or JSON, we can read using the stdlib.

Location: Tools/pixi-packages/, or Tools/ so other scripts can re-use it.

Name: Hmm, python-version.[ext] ?

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lucascolley Dec 17, 2025

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I think it was resolved for this PR via the third paragraph of #142469 (review)

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hugovk Dec 17, 2025

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Okay, thanks!

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          Apply suggestions from code review

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Co-authored-by: Hugo van Kemenade <[email protected]>

This was referenced Dec 10, 2025

BLD/DEV: ASAN at your fingertips! scipy/scipy#24066

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ENH: Pixi package definitions for downstream development numpy/numpy#30381

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lucascolley and others added 2 commits

December 10, 2025 17:45


          Apply suggestion from @FFY00

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Co-authored-by: Filipe Laíns <[email protected]>


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Thanks so much for working on this @lucascolley! This is PR looks great, and sets up to add other sanitizer variants.

The pixi limitation that requires us to have separate recipes for each variant (prefix-dev/pixi#4599) is unfortunate, but I think doable from a maintenance POV, given that we have a few people interested in this. We'll see how it translates in practice, and hope the feature request gets implemented in the meantime.

I opened prefix-dev/rattler-build#2047 regarding the version string that currently needs to be updated manually, but could be dirtermined from git, with additional information. But let's wait for the pixi jinja functions to get stabilized before adding them to our recipes.

I'll leave this PR open a couple days to give a bit more time for folks to give feedback, but otherwise, this looks good to go 😊

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lucascolley requested a review from FFY00

December 15, 2025 14:44

FFY00 commented Dec 15, 2025

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Looks like nobody raised any issues 😊

Congrats @lucascolley!

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FFY00 merged commit 8bb5b6e into python:main

Dec 15, 2025

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lucascolley commented Dec 15, 2025

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thanks a lot Filipe!

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fatelei pushed a commit to fatelei/cpython that referenced this pull request

Dec 16, 2025


          pythongh-142466: Pixi package definitions for downstream use (python#…

…142469)

* WIP: ENH: Pixi package definitions for downstream development

[skip ci]

* linux-64 support

* tidy gitignore

* respond to review
- switch cases on `PYTHON_VARIANT`
- remove `minor_version` by using `python3`
- remove runtime-only asan options

* README updates

* use `.md` to preview rendering

* Apply suggestions from code review

Co-authored-by: Hugo van Kemenade <[email protected]>

* Apply suggestion from @FFY00

Co-authored-by: Filipe Laíns <[email protected]>

* Apply suggestion from @FFY00

Co-authored-by: Filipe Laíns <[email protected]>

* Apply suggestion from @FFY00

Co-authored-by: Filipe Laíns <[email protected]>

* Apply suggestion from @lucascolley

---------

Co-authored-by: Hugo van Kemenade <[email protected]>
Co-authored-by: Filipe Laíns <[email protected]>

This was referenced Dec 17, 2025

gh-143120: pixi builds for free-threading and TSAN #142872

Merged

pixi definitions fail with pypi-dependencies #142897

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lucascolley deleted the pixi-build branch

December 19, 2025 10:11

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