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Free-Threaded Python Library Compatibility Checker

Free-Threaded Python Library Compatibility Checker

8 comments

·May 22, 2025
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bratao

This checks if the Library builds or if it is really compatible/works with multi-threading?

corona10

Currently, only testing the library installation; we will make progress to test the unittest result also.

null

[deleted]

interestoo

> error: package `icu_properties v1.5.1` cannot be built because it requires rustc 1.67 or newer, while the currently active rustc version is 1.63.0

is this not environment problem?

corona10

Yeah, we still believe that a bunch of things should be updated to make the results more accurate.

cmcconomy

please add geopandas to the list :)

OutOfHere

But is there even an official docker image for deploying applications using 3.13t and 3.14t? Looking at https://hub.docker.com/_/python/ and https://github.com/docker-library/python/issues/947 , it seems to have been ignored. Without one, it's all useless. Almost no one wants to compile Python from source.

colesbury

You don't have to build from source. uv is the best option, in my opinion, but the py-free-threading docs also have a longer list too:

uv: https://docs.astral.sh/uv/getting-started/installation/

py-free-threading: https://py-free-threading.github.io/installing-cpython/

docker: docker run -it quay.io/pypa/manylinux_2_28_x86_64 python3.13t