Python dependency managers such as uv does not lock PEP-517 build-systems, and pyproject.nix's builders does not come with a Python package set.
This repository exists to be used as a base repository for overriding build-system dependencies. Without a base package set you'd have to include build-systems to your project dependencies.
Auto-updates on a weekly basis. Automated testing of the package set is done for all stable CPython interpreters in the Nixpkgs unstable channel.
Add the overlay to your project.
Note that the build system overlay should go before the one generated by uv2nix.