If you have hundreds of different Python projects on your machine (as I do) the speed and developer experience improvements of uv make a big difference.

I love being able to cd into any folder and run "uv run pytest" without even having to think about virtual environments or package versions.

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dirkc 17 hours ago | parent [-]

Do you run those projects on the host system as your normal user without any isolation?

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simonw 17 hours ago | parent [-]

Yes, which makes me very vulnerable to supply chain attacks.

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dirkc 17 hours ago | parent [-]

Yikes! I had a scare once, and since then I only run sandboxed code or scripts I've written with minimal 3rd party deps.

I assume you have other mitigations in place?

	▲	simonw 16 hours ago \| parent [-]
		Not really. I have good backups and I try to stick with dependencies I trust. I do a lot of my development work using Claude Code for web which means stuff runs in containers on Anthropic's servers, but I run things on my laptop most days as well.