[Distutils] PEP 517 again

[xoviat]

Also if someone with pip write access could please discuss and hopefully
merge my initial PR on pip, I would very much appreciate it. Paul seems to
be short on time.

2017-09-04 19:09 GMT-05:00 xoviat <xoviat at gmail.com>:

> Nathaniel:
>
> Pip requires egg_info to discover dependencies of source distributions so
> that it can build wheels all at once after downloading the requirements. I
> need to move pip off of egg_info as soon as possible and dist_info is
> required to do that.
>
> 2017-09-03 21:00 GMT-05:00 Nathaniel Smith <njs at pobox.com>:
>
>> On Sun, Sep 3, 2017 at 11:14 AM, xoviat <xoviat at gmail.com> wrote:
>> > Just an update for everyone here:
>> >
>> > 1. We're currently waiting on the implementation of the 'dist_info"
>> command
>> > in the wheel project.
>> > 2. Once that is done we can switch pip over to reading dist-info rather
>> than
>> > egg_info.
>> > 3. Then we can move the backend over to setuptools. Because Jacob has a
>> much
>> > more efficient release system than pip, I anticipate having a release of
>> > setuptools first and then we can switch pip over to requiring a newer
>> > setuptools via PEP 518.
>>
>> I don't think pip actually has any use for the PEP 517
>> prepare_wheel_metadata hook right now though? Historically 'setup.py
>> egg-info' was needed to kluge around unwanted behavior in 'setup.py
>> install', but with a PEP 517 backend that's irrelevant because
>> 'setup.py install' is never used. And in the future when pip has a
>> real resolver, then prepare_wheel_metadata should allow some
>> optimizations. But right now, prepare_wheel_metadata is completely
>> useless AFAIK.
>>
>> So why is 'setup.py dist_info' a blocker for things?
>>
>> -n
>>
>> --
>> Nathaniel J. Smith -- https://vorpus.org
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/distutils-sig/attachments/20170904/d387e843/attachment.html>