It turns out setuptools is still linking to PYTHON36.DLL instead of PYTHNO3.DLL even when py_limited_api=True https://github.com/pypa/setuptools/issues/1248
This is a different, though somewhat related, problem from the one concering wheel/pip pep425tags disallowing `abi3` tag on Windows. On Sun, Jan 7, 2018 at 12:39 PM Cosimo Lupo <cos...@anthrotype.com> wrote: > I jut found this related pip issue: > https://github.com/pypa/pip/issues/4445 > > (I myself as @anthrotype commented on that thread back in April last year > but then completely forgot...) > > After re-reading it now, it's still not clear to me what the resolution on > that issue was. > > On Sun, Jan 7, 2018 at 10:12 AM Cosimo Lupo <cos...@anthrotype.com> wrote: > >> Hello, >> >> CFFI has recently added support for Py_LIMITED_API extension modules >> built for CPython 3. >> The wheel module since version 0.30.0 also supports passing >> —py-limited-api cp3X to bdist_wheel command to allow the generated .whl to >> be installed on all CPython versions equal or greater than the one >> specified. >> >> Yesterday I was trying to apply this on a cffi-built extension module, >> and it worked for Linux and macOS but failed for Windows: >> >> >> *https://github.com/hynek/argon2_cffi/pull/32* >> <https://github.com/hynek/argon2_cffi/pull/32#issuecomment-355771832> >> The AssertionError from wheel.pep425tags complains that a tag with abi3 >> would be unsupported for the target platform. >> >> Alex Gronholm commented >> >> > imp.get_suffixes() does not seem to contain any ABI3 suffixes, but I'm >> not sure if this is even applicable on Windows. >> >> Incidentally, I noticed one specific package, PyQt5, that distributes >> both abi3-tagged wheels for Mac and manylinux and Windows wheels for a >> range of cp35.cp36.cp37 but with abi tag set as “none”, and they do seem to >> work. >> >> So, can one make such py_limited_api wheels work on Windows with the >> current state of the tooling, and if so how? >> >> Thank you in advance >> >> Cosimo Lupo >> > > > -- > Cosimo Lupo > -- Cosimo Lupo
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