It looks similar as https://github.com/conda-forge/python-feedstock/issues/738, but the issue shows up only when installing numpy.
mamba create -n pybug python mamba activate pybug mamba update --all all work fine. Then mamba install cython is OK mamba install numpy wants to change python to free-threaded. mamba --version mamba 1.5.10 conda 24.9.2 Le mar. 26 nov. 2024, à 17 h 44, Ralf Gommers <ralf.gomm...@gmail.com> a écrit : > Yes, that does look like a conda-forge issue. I think it's this one: > https://github.com/conda-forge/python-feedstock/issues/738 > > On Tue, Nov 26, 2024 at 6:06 PM george trojan via NumPy-Discussion < > numpy-discussion@python.org> wrote: > >> My apologies if this is a wrong venue. Is this a conda-forge problem? >> When I run >> >> mamba create -n foo meson-python numpy 'python>=3.13' >> >> the free-threaded python is selected: >> >> + python 3.13.0 h6355ac2_0_cp313t conda-forge >> Cached >> + numpy 2.1.3 py313hb01392b_0 conda-forge >> Cached >> >> When python spec is moved to the front, I do get the "usual" version. >> However, when I build a python extension with conda-build, I do not control >> the order. The extension is created for the free-threaded version. Here is >> my requirements section in recipe/meta.yaml: >> >> requirements: >> build: >> - {{ compiler('c') }} >> - {{ compiler('fortran') }} >> host: >> - python >=3.13 >> - python_abi =3.13.* *_cp313 # needed to prevent selection of >> freethreaded python >> - meson-python >> - numpy >=2.0 >> - pip >> run: >> - python >=3.13 >> - numpy >=2.0 >> >> I did manage to find a workaround, which is the python_abi line. Am I >> doing it right? >> >> >> >> >> >> _______________________________________________ >> NumPy-Discussion mailing list -- numpy-discussion@python.org >> To unsubscribe send an email to numpy-discussion-le...@python.org >> https://mail.python.org/mailman3/lists/numpy-discussion.python.org/ >> Member address: ralf.gomm...@googlemail.com >> >
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