[Python-ideas] Migration of /usr/bin/python to python3

[Andrew Barnert]

On Mar 12, 2015, at 6:55 AM, Wes Turner <wes.turner at gmail.com> wrote:
> On Mar 12, 2015 4:25 AM, "Antoine Pitrou" <solipsis at pitrou.net> wrote:
> >
> > On Wed, 11 Mar 2015 13:43:25 -0600
> > Neil Schemenauer <nas-python at arctrix.com>
> > wrote:
> > > This has been brought up elsewhere, I think this is a better forum
> > > to discuss it.  Changing /usr/bin/python directly to python3.x is
> > > bad idea, in my option.  It's going to cause users trouble and the
> > > benefit to Python 3.x users is not worth it.  Instead, let's try to
> > > find a smooth migration path.
> >
> > As a data point, when you install Python 3 using Conda, the executable
> > is already called "python":
> >
> > $ python
> 
> Brew and pyenv also rely upon $PATH to determine which executable named 'python[maj.min]' to run a script marked as executable with.
> 
> +1 for the /usr/bin/env python[maj[.min]] approach is likely most portable (because it uses $PATH for what it is for)
> 
> * OSX 10.9 is still on 2.7.5 (i think w/o SSL security updates(!))
> * OSX 10.10 has ?.? ([1] lists 2.7.1 as most recent)
> * I think it would be reasonable to request an update that adds a '/usr/bin/python2' symlink, so that paths can be '/usr/bin/env python[maj[.min]'.
> 
http://openradar.appspot.com/radar?id=5833516721897472

If you want to file your own bug report with Apple, you can mention that it's a dup of radar 20143311.

> * They seem more focused on (!OpenStack) Swift lately.
> 
> [1] https://www.apple.com/opensource/
> 
> Again, +1 for the /usr/bin/env python[maj[.min]] approach (because it uses $PATH for what it is for)
> 
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