[Python-Dev] Support the /usr/bin/python2 symlink upstream

[Nick Coghlan]

On Fri, Mar 4, 2011 at 11:57 PM, R. David Murray <rdmurray at bitdance.com> wrote:
> On Fri, 04 Mar 2011 01:44:00 -0600, Kerrick Staley <mail at kerrickstaley.com> wrote:
>> * All new code that needs to invoke the Python interpreter should not
>> specify "python", but rather should specify either "python2" or "python3"
>> (or the more specific "python2.X" and "python3.X" versions; see the Notes).
>> This distinction should be made in shebangs, when invoking from a shell
>> script, when invoking via the system() call, or when invoking in any other
>> context.
>
> If one target for this PEP is script implementors who hadn't thought
> about this issue before, it is probably worth mentioning sys.executable
> somewhere (a footnote?).

Including a mention of sys.executable is actually one of the changes I
made to Kerrick's text before uploading it as PEP 394.

> But another issue here (and this speaks against the proposal of not
> shipping a /usr/bin/python link) is that it is quite possible to write
> a script that will run on either python2 or python3.

Good point, the PEP should probably mention that.

Sleep is calling me right now, though :)

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia