uv without sunblock: faster than ever dependency and project management
summary
uv is a Rust tool from Astro that replaces juggling pip, virtualenv, pyenv and packaging by doing dependency resolution, venv management, Python installation and publishing itself: claim of 2–5× faster CI comes from parallel installs, heavy caching and using hard/symbolic links, and a demo installs Python 3.13 in under 10 seconds. It builds with uv build and uploads with uv publish (requires a token). Watch for large local cache, missing prebuilt versions on some platforms and possible incompatibilities with legacy monoliths.
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chapters (16)
- 0:00Introduction
- 1:18What is UV
- 3:21Python tooling complexity
- 8:57UV vs other tools
- 11:45PEP 682 explained
- 13:50Why UV is fast
- 15:15Zero-setup scripts with UV
- 16:59Managing projects with UV
- 18:22Starting a new project
- 19:30Turning into CLI app
- 20:11Packaging and publishing
- 21:41When not to use UV
- 23:06UV performance notes
- 23:46Cache and storage
- 24:31UV enterprise concerns
- 26:20Q&A session
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