this post was submitted on 20 Aug 2024
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Actually Go's dependency system is specifically designed to avoid the need for global constraint solvers. Go has the most modern and elegant dependency versioning system that I'm aware of. Python was designed before people realised that it's dependency style was a mistake.
https://research.swtch.com/vgo-principles
I'm on the uv team. I am quite partial to this approach as well. Alas, it's difficult culturally to pull this off in a pre-existing ecosystem. And in the case of Python at least, it's not totally clear to me that it would avoid the need for solving NP hard problems. See my other comment in this thread about simplifying PEP 508 marker expressions.
Other than avoiding needing a SAT solver to resolve dependencies, the other thing I like about Go's approach is that it makes it very difficult to "lie" about the dependencies you support. In a maximal environment, it's very easy to "depend" on
foo 1.0but where you actually needfoo 1.1without issues appearing immediately.Oo hello. Didn't know that's what you were doing these days! Hope it goes well, though I'd be nervous about a realistic business plan.
Anyway, yeah bit too late for Python.