On Thu, Mar 03, 2011 at 09:11:40PM -0500, Barry Warsaw wrote: > On Mar 03, 2011, at 02:17 PM, David Malcolm wrote: > > >On a related note, we have a number of scripts packaged across the > >distributions with a shebang line that reads: > > #!/usr/bin/env python > >which AIUI follows upstream recommendations. > > Actually, I think this is *not* a good idea for distro provided scripts. For > any Python scripts released by the distro, you know exactly which Python it > should run on, so it's better to hard code it. That way, if someone installs > Python from source, or installs an experimental version of a new distro > Python, it won't break their system. Yes, this has happened to me. Also, > note that distutils/setuptools/distribute rewrite the shebang line when they > install scripts. > > >There was a proposal to change these when packaging them to hardcode the > >specific python binary: > > > >https://fedoraproject.org/wiki/Features/SystemPythonExecutablesUseSystemPython > >on the grounds that a packaged system script is expecting (and has been > >tested against) a specific python build. > > > >That proposal has not yet been carried out. Ideally if we did this, > >we'd implement it as a postprocessing phase within "rpmbuild", rather > >than manually patching hundreds of files. > > > >Note that this would only cover shebang lines at the tops of scripts. > > JFDI! > > FWIW, a quick grep reveals about two dozen such scripts in /usr/bin on > Ubuntu. We should fix these. ;) > Note, we were unable to pass Guideline changes to do this in Fedora. Gory details of the FPC meeting are at 16:15:03 (abadger1999 == me): http://meetbot.fedoraproject.org/fedora-meeting/2009-08-19/fedora-meeting.2009-08-19-16.01.log.html
The mailing list thread where this was discussed is here: http://lists.fedoraproject.org/pipermail/packaging/2009-July/006248.html Note to dmalcolm: IIRC, that also means that the Feature page you point to isn't going to happen either. Barry -- if other distros adopted stronger policies, then that might justify me taking this back to the Packaging Committee. -Toshio
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