You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

cppython-vcpkg
0.4.1.dev8

This version was deleted from PyPI around 2024-08-18. Installing fails with:
$ pip3 install cppython-vcpkg==0.4.1.dev8 ERROR: Could not find a version that satisfies the requirement cppython-vcpkg==0.4.1.dev8
View other deleted versions of cppython-vcpkg

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2024-08-17/ \ cppython-vcpkg==0.4.1.dev8
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Or, download files manually

And install manually via pip:
cppython_vcpkg-0.4.1.dev8-py3-none-any.whl (4.8KB)
cppython-vcpkg-0.4.1.dev8.tar.gz (4.7KB)