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
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