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

cppython-cmake
0.1.0.dev11

This version was deleted from PyPI around 2024-08-18. Installing fails with:
$ pip3 install cppython-cmake==0.1.0.dev11 ERROR: Could not find a version that satisfies the requirement cppython-cmake==0.1.0.dev11
View other deleted versions of cppython-cmake

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-cmake==0.1.0.dev11
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Or, download files manually

And install manually via pip:
cppython_cmake-0.1.0.dev11-py3-none-any.whl (6.4KB)
cppython-cmake-0.1.0.dev11.tar.gz (5.8KB)