[Python-Dev] Bilingual scripts

Barry Warsaw barry at python.org
Tue May 28 17:45:33 CEST 2013

On May 25, 2013, at 05:57 PM, Nick Coghlan wrote:

>It seems to me the existing recommendation to use ``#!/usr/bin/env
>python`` instead of referencing a particular binary already covers the
>general case. The challenge for the distros is that we want a solution
>that *ignores* user level virtual environments.

Right.  My general recommendation is that upstream's (development version)
scripts use #! /usr/bin/env, but that distros and possibly even
virtualenv/buildout installs, hardcode the #! to a specific interpreter.
We've just had way too many problems when a /usr/bin script uses /usr/bin/env
and breaks the world.  We also recommend using -Es to isolate the environment
as much as possible.

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