[Python-Dev] PEP 453 (pip bootstrapping) ready for pronouncement?

R. David Murray rdmurray at bitdance.com
Fri Sep 27 18:15:31 CEST 2013

On Fri, 27 Sep 2013 15:26:41 +0100, Paul Moore <p.f.moore at gmail.com> wrote:
> On 27 September 2013 15:08, Stephen J. Turnbull <stephen at xemacs.org> wrote:
> >> New users on Windows and Mac OS X. I've heard many more complaints
> >  > from folks running tutorials about the pip bootstrapping process than
> >  > I ever have from the community at large about the GIL :P
> >
> > I bet those users are *not* running third-party distros, but rather
> > are sitting in front of pretty close to plain vanilla factory installs
> > of the OS, no?  And "new users" on Mac OS X already have "old installs"
> > of Python, no?
> Windows users who don't use a third-party distro like Enthought,
> generally download the python.org installer. At the moment, that
> doesn't give them a "pip" command. So if they want to install any
> third party package, they have to start by installing pip. The
> instructions for that are reasonably clear, but non-trivial, largely
> because tools like curl are not commonly available on Windows, and by
> default running a Python script may not do what you expect.
> Rather than try to fix these problems (which are *hard*) the intent is
> to have the pip command installed by the python.org installer.
> I can't speak for Linux distros or OSX users, but for Windows I do
> believe that this is a significant improvement, and worth the (IMO,
> negligible) risk involved in adding this to a maintenance release.

I'm not an OS X user, and probably most people on this list use macports
or something similar, which essentially puts them in the same boat as
the linux users...and there's a section in the PEP about that (that's
where the message about installing pip if you run pip and the distro
didn't include it with python is supposed to come from).

For OS X users *not* using something like macports, I'm pretty sure they
are going to be in a similar boat to the Windows users, with just a touch
of added confusion coming from the fact that an older version of Python
is already installed.  But the instructions they will find on the web
for installing package X (once this change hits the field) will be to
install the newest version of 2.7 (or 3) using the python.org installer,
and then they will have the pip command and can go from there.


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