[Distutils] PyPI Download Counts

[Domen Kožar]

I'll also be at EP and can help to explain how Nix could solve the
isolation problem.


On Mon, May 27, 2013 at 5:46 PM, holger krekel <holger at merlinux.eu> wrote:

> Hi Florian,
>
> On Mon, May 27, 2013 at 10:36 +0200, Florian Friesdorf wrote:
> > Hi Holger,
> >
> > holger krekel <holger at merlinux.eu> writes:
> > > On Mon, May 27, 2013 at 17:41 +1000, Nick Coghlan wrote:
> > >> On Mon, May 27, 2013 at 5:27 PM, holger krekel <holger at merlinux.eu>
> wrote:
> > >> > Not having download counts maybe lets us think harder about
> > >> > better metrics.  The number of projects using a package as a dep
> > >> > might be one.
> > >>
> > >> With the current downside being that it's hard for PyPI to figure out
> > >> that number, too :)
> > >
> > > Yip.  But something like Vinaj's red-dove approach or Marius'
> get_deps.py
> > > could provide a base.  We might think about a docker instance which
> > > could allow to quickly spawn new light VMs so we can isolate setup.py
> runs.
> > > (Yes, it's only Linux but it'd be a start).
> >
> > nix and nixpkgs allow this isolation on-top off linux, freebsd, OS X and
> > theoretically also cygwin (not sure how good cygwin is supported at the
> > moment).
> >
> > http://nixos.org/nix/
> > http://nixos.org/nixpkgs/
> >
> > From nixos.org:
> > Nix is a purely functional package manager. This means that it can
> > ensure that an upgrade to one package cannot break others, that you can
> > always roll back to previous version, that multiple versions of a
> > package can coexist on the same system, and much more.
> >
> > Nixpkgs is a large collection of packages that can be installed with the
> > Nix package manager.
>
> Interesting stuff, didn't know about it.
>
> Did you post this as a suggestion for provisioning an environment to
> run setup.py (on nix-supported platforms)?  If so, i am not sure how it
> would help exactly.  I guess myself i'd aim for a 80% solution for
> discovering
> dependencies first.  Simplest/quickest wins there :)
>
> > >> Agreed it would be a good number to publish once it's more readily
> > >> available, too.
> > >
> > > I think "dep" numbers are mostly interesting for libraries, not so
> > > much for applications like django or pyramid or tools like nose/pytest.
> > >
> > > Another more practical data point would be "does this package even
> > > install on win32/linux/osx py26/py27/py33" and even better, do its
> automated
> > > tests pass?
> >
> > http://hydra.nixos.org/build/5062796
> >
> > > If we could evolve to have this info published on pypi.python.org
> > > it would be quite useful i think.  I am actually currently implementing
> > > a system which enables this (the "devpi" system) so i don't mean this
> all just
> > > as "nice to have" theory.  I aim to present the status of this work
> > > at EuroPython.
> >
> > Nice! Looking forward to that.
> >
> > If you have any questions about nix/nixpkgs/nixos, especially about the
> > way python packages are packaged, please let me know. Also, it's not set
> > in stone.
>
> are you going to be at EP?  It's a long conference and i am more than
> happy to sit together on this topic for a bit sometimes.
>
> best,
> holger
>
>
> > Personally, I'd love to see hydra.python.org providing builds of all
> > pypi packages and would be happy to help. Also including Domen and Rok
> > for whome I assume the same.
>
>
> >
> > You might have other tools that are better suited for you.
> >
> > regards
> > florian
> > --
> > Florian Friesdorf <flo at chaoflow.net>
> >   GPG FPR: 7A13 5EEE 1421 9FC2 108D  BAAF 38F8 99A3 0C45 F083
> > Jabber/XMPP: flo at chaoflow.net
> > IRC: chaoflow on freenode,ircnet,blafasel,OFTC
>
>
>
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