[Distutils] Q about best practices now (or near future)

Brett Cannon brett at python.org
Wed Jul 17 18:39:41 CEST 2013

On Wed, Jul 17, 2013 at 11:46 AM, Daniel Holth <dholth at gmail.com> wrote:

> On Wed, Jul 17, 2013 at 11:12 AM, Brett Cannon <brett at python.org> wrote:
> > I'm going to be pushing an update to one of my projects to PyPI this week
> > and so I figured I could use this opportunity to help with patches to the
> > User Guide's packaging tutorial.
> >
> > But to do that I wanted to ask what the current best practices are.
> >
> > * Are we even close to suggesting wheels for source distributions?
> No, wheels don't replace source distributions at all. They just let
> you install something without having to have whatever built the wheel
> from its sdist. It is currently nice to have them available.

Then I'm thoroughly confused since the Wheel PEP says in its rationale that
"Python needs a package format that is easier to install than sdist". That
would suggest a wheel would work for a source distribution and replace
sdist zip/tar files. If wheels aren't going to replace what sdist spits out
as the installation file format of choice for pip what is it for, just
binary files alone?


> I'd like to see an ambitious person begin uploading wheels that have
> no traditional sdist.
> > * Are we promoting (weakly, strongly?) the signing of distributions yet?
> No change.
> > * Are we saying "use setuptools" for everyone, or still only if you need
> it
> > (asking since there is a stub about installing setuptools but the simple
> > example doesn't have a direct need for it ATM, but could use
> find_packages()
> > and such)?
> Setuptools is the preferred distutils-derived system. distutils should
> no longer be considered morally superior.
> The MEBS idea, or a simple setup.py emulator and a contract with the
> installer on which commands it will actually call, will eventually let
> you do a proper job of choosing build systems.
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