[Distutils] PEP 517 again

[Nathaniel Smith]

On Sun, Aug 27, 2017 at 4:27 PM, Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
> Nathaniel Smith wrote:
>>
>> - creating an sdist failed for unexpected reasons, that need a human
>> to sort out (due to a broken system, or bugs – hey, they happen – or
>> ...)
>
>
> I think that should still be reported via an exception. Returning
> None should only be for the specific case that the backend doesn't
> support the requested operation.

Well, you can't exactly say "if your code is buggy, then you should
signal that by doing this well defined thing" :-). One of my
objections to None is that it's very easy to return accidentally,
i.e., buggy code *will* sometimes return None no matter what the spec
says.

-n

-- 
Nathaniel J. Smith -- https://vorpus.org