216: ruff, uv, and Astral: Python tooling, much faster, with Rust
Charlie Marsh and team are using Rust to make Python tooling faster.
- Ruff can take the place of Flake8, isort, and Black, and so much more.
- uv can take the place of pip, pip-tools, and virtualenv
- Astral is Charlie's venture backed company, and what they have with `ruff` and `uv` is just the start.
Since uv is the newest tool, there's quite a bit of the discussion diving into uv.
Links:
Links:
Sponsored by:
- The Complete pytest course is now a bundle, with each part available separately.
- pytest Primary Power teaches the super powers of pytest that you need to learn to use pytest effectively.
- Using pytest with Projects has lots of "when you need it" sections like debugging failed tests, mocking, testing strategy, and CI
- Then pytest Booster Rockets can help with advanced parametrization and building plugins.
- Whether you need to get started with pytest today, or want to power up your pytest skills, PythonTest has a course for you.
Creators and Guests

Guest
Charlie Marsh
Charlie is the creator of Ruff and uv, and the founder of Astral, a company dedicated to building high-performance developer tools for the Python ecosystem. He's spent his career working across programming ecosystems: first, at Khan Academy, where he focused on the Android, iOS, and web platforms; and most recently, as a Staff Software Engineer at Spring Discovery, where he led the development of a hybrid Rust-Python machine learning and data platform.
