[Distutils] PEP 517 again

[Daniel Holth]

Return none makes sense, but I don't think the outcome of that or the
"configurable src path" decisions will affect the success of the proposal.

On Sun, Aug 27, 2017, 05:59 Paul Moore <p.f.moore at gmail.com> wrote:

> On 26 August 2017 at 23:13, Nathaniel Smith <njs at pobox.com> wrote:
> > This whole discussion is about handling a specific case: suppose you
> > have a frontend like pip that when given a source directory and asked
> > to build a wheel, wants to implement that as:
> >   - build sdist
> >   - unpack sdist
> >   - build wheel from unpacked sdist
>
> While I can't speak for Donald or the other pip devs, I'd like to
> point out that in
> https://mail.python.org/pipermail/distutils-sig/2017-August/031288.html
> I confirmed that I'm basically persuaded now that pip should just
> "trust the backend" and use build_wheel directly. So this whole debate
> isn't relevant for pip. We'll need to wait for other
> currently-hypothetical frontends like tox or twine which might use the
> build_wheel hook, before we'll have any practical experience to
> confirm if there's an issue with "return None" as the way for backends
> to signal that they weren't able to build a wheel.
>
> Paul
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