Hi! I wrote this library / tool. Basically we needed a way to test arbitrary packaging situations and, instead of manually constructing packages or finding rep

Hi! I wrote this library / tool. Basically we needed a way to test arbitrary packaging situations and, instead of manually constructing packages or finding representative situations on PyPI, we wrote a tool that could construct them automatically and host the required dependency trees. We use these scenarios in uv's test suite[1] (our package manager). There was an initial attempt to use these scenarios for testing in pip itself, but we'd need to invest a bit more into the tool for it to be feasible since resolver behavior can be different but still "correct" based on implementation details. [1]: https://github.com/astral-sh/uv/blob/main/crates/uv/tests/pip_install_scenarios.rs https://github.com/astral-sh/uv/blob/main/crates/uv/tests/pi...