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My C++ library uses external dependencies, most of which are open source, but at least one of them is only available as cross-compiled binaries. In our CI workflow, we typically fetch the artifact that was compiled for a particular architecture, then link it.

I'm now working on Python bindings, and I started writing the setup.py file that compiles the shared library using CMake. Is it possible to achieve the same thing as the Github Action, namely to fetch the proper cross-compiled artifact from the dependency's repo automatically?

I read about the runtime_library_dirs and package_data options, but (all) the artifacts should be available locally. I also tried to give the path to the .tar.gz to install_requires, but that didn't work either (and it wouldn't pick the proper artifact automatically anyway).
Hope there's a way to do it!

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    THere is no simple way because setuptools doesn't have anything builtin to work with remote dependencies. But setup.py is just a Python script so you can program anything in it. Just download a version of the library for the current platform. Ask Python about the current platform: sys.platform, os.name, platform.architecture() and all platform functions. Commented Sep 13 at 15:34
  • I came to the same conclusion. Thanks for your feedback :) Commented Sep 13 at 15:52
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