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Wed Oct 8 21:37:17 CEST 2014 · https://mail.python.org/pipermail/python-dev/2014-October/136597.html

> On Oct 8, 2014, at 3:36 PM, Wes Turner <wes.turner at gmail.com> wrote:
> 
> 
> On Oct 8, 2014 7:20 AM, "Donald Stufft" <donald at stufft.io <mailto:donald at stufft.io>> wrote:
> >
> >
> > > On Oct 8, 2014, at 6:16 AM, Christian Tismer <tismer at stackless.com <mailto:tismer at stackless.com>> wrote:
> > >
> > >
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA512
> > >
> > > Howdy,
> > >
> > > this question is a bit about general policy which is not yet
> > > covered in the python recommendations:
> > >
> > > I see projects which do check-ins like "get rid of shebang lines"
> > > and they remove those lines from non-script sources.
> > >
> > > It is not always clear to me what to do, so I tend to leave those
> > > lines in per default, in order not to waste time thinking about it,
> > > but well, today I was confronted with that.
> > >
> > > Digging a bit deeper shows the following:
> > >
> > > python docs:
> > > No mention of shebang, but for Windows.
> > > https://docs.python.org/3/search.html?q=shebang&check_keywords=yes&area=default <https://docs.python.org/3/search.html?q=shebang&check_keywords=yes&area=default>
> > > https://docs.python.org/3/using/windows.html?highlight=shebang <https://docs.python.org/3/using/windows.html?highlight=shebang>
> > >
> > > Google's python style guide also says when a shebang is needed, but
> > > does not forbid it.
> > >
> > > Pep 394 explains how to use shebang, but still nothing about not using it.
> > > http://legacy.python.org/dev/peps/pep-0394/ <http://legacy.python.org/dev/peps/pep-0394/>
> > >
> > > So is there anything officially preferred, and should that go into pep 8?
> >
> > Some editors can use shebang lines to control syntax highlighting or linting
> > (mine for example will lint different for python2 vs python3 shebangs).
> 
> Does it support shebang lines like:
> 
> #!/usr/bin/env python
> 
> ?
> 

Sure. Though it doesn’t resolve it to determine what that would actually execute,
it just uses the name of the python in the shebang as heuristics.

---
Donald Stufft
PGP: 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA

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[Python-Dev] shebang policy, and pip