On 24 January 2024 15:58:56 GMT, Gareth Ma <grhk...@gmail.com> wrote:
>Hi all, my development Sage installation uses the conda instructions here
><https://doc.sagemath.org/html/en/installation/conda.html#using-conda-to-provide-all-dependencies-for-the-sage-library>.
>
>There is a command below for how to recompile Cython files:
>
>pip install --no-build-isolation --config-settings editable_mode=compat -v
>-v --editable src
>
>However, it seems that it recompiles *every* Cython file, even the ones I
>haven't touched. This happens everytime, not just the first time I run the
>command. Is that normal?
yes, this is normal if you use pip this way.
If you went for a more regular Sage installation where you can run make, then
such rebuilds would have been much faster, as there is dependency tracking then.
> Is it possible to only recompile files I have
>changed?
>
>I tried running cythonize -i a.pyx directly on the file. However, it seems
>to break something and some libraries are not loaded correctly. For
>example, I was editing sage/rings/finite_rings/element_pari_ffelt.pyx, and
>after running the cythonize command Sage complains that the ConwayDatabase
>is missing.
>
>(I hope I am not posting in the wrong mailing group)
>
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