On Sun, Jul 8, 2018, 04:25 Paul Moore <p.f.mo...@gmail.com> wrote: > > In principle, I'm 100% on board with this. However, as is typical with > packaging changes, we have a huge backward compatibility situation to > address - the many packages on PyPI that are infrequently updated or > maintained and yet still in common use. We also have a large body of > users who build pip into their internal workflows, who often rely > heavily on what to "normal pip usage" are obscure edge cases. I'd like > to find some way of assessing the impact before we simply switch to > full build isolation (we've already had a fair number of bug reports > on pip that are triggered by build isolation, such as the ones that > started this discussion). >
I think it would be helpful for this discussion if we could look at these bug reports – do does anyone have links? Every new rollout will cause some issues. The crucial thing IME is to see whether they're bugs in the implementation we can fix, whether there's a simple way to improve error messages for other cases, ... etc. If they're intractable issues that's very different than if they're teething pains :-) -n
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