Re: [Distutils] PEP for dependencies on libraries like BLAS (was: Re: Working toward Linux wheel support)

On Thu, 20 Aug 2015 at 10:16 Wes Turner <wes....@gmail.com> wrote:

>> On Aug 20, 2015 5:05 AM, "Nick Coghlan" <ncog...@gmail.com> wrote:> >> > [Catching up on distutils-sig after travel]> >> > On 13 August 2015 at 16:08, Nathaniel Smith <n...@pobox.com> wrote:> > > It seems like a reasonable effort at solving this problem, and I guess> > > there are probably some people somewhere that have this problem, but> > > my concern is that I don't actually know any of those people. The> > > developers I know instead have the problem of, they want to be able to> > > provide a small finite number of binaries (ideally six binaries per> > > Python version: {32 bit, 64 bit} * {windows, osx, linux}) that> > > together will Just Work on 99% of end-user systems. And that's the> > > problem that Enthought, Continuum, etc., have been solving for years,> > > and which wheels already mostly solve on windows and osx, so it seems> > > like a reasonable goal to aim for. But I don't see how this PEP gets> > > us any closer to that.> >> > The key benefit from my perspective is that tools like pyp2rpm, conda> > skeleton, the Debian Python packaging tools, etc, will be able to> > automatically generate full dependency sets automatically from> > upstream Python metadata.> >> > At the moment that's manual work which needs to be handled> > independently for each binary ecosystem, but there's no reason it has> > to be that way - we can do a better job of defining the source> > dependencies, and then hook into release-monitoring.org to> > automatically rebuild the downstream binaries (including adding new> > external dependencies if needed) whenever new upstream releases are> > published.>> JSON (JSON-LD) would likely be most platform compatible (and designed for> interoperable graph nodes and edges with attributes).>> JSON-LD does not require a specific library iff the @context is not> necessary.>> Notes about JSON-LD and interoperable software package metadata:> https://mail.python.org/pipermail/distutils-sig/2015-April/026108.html>
 What does JSON-LD have to do with this conversation, Wes? No discussion of
implementation has even begun, let alone worrying about data formats. This
is purely a discussion of problem space and what needs to be solved and is
not grounded in concrete design yet.