[Python-Dev] supporting multiple versions of one package in one environment is insane (original) (raw)

Toshio Kuratomi a.badger at gmail.com
Fri Oct 9 21:20:01 CEST 2009

On Fri, Oct 09, 2009 at 05:29:28PM +0100, Chris Withers wrote:

Toshio Kuratomi wrote:

On Fri, Oct 09, 2009 at 04:51:00PM +0100, Chris Withers wrote:

Tarek Ziadé wrote:

Virtualenv allows you to create an isolated environment to install some distribution without polluting the main site-packages, a bit like a user site-packages. ...as does buildout, and these are the right type of solution to this problem.

where type of problem == sandboxed environment, sure. How do you solve the problem for system packagers? What's to stop a system packager either just running the buildout on install, or running the buildout at package build time and then just dropping the resulting environment wherever they want to install applications? Such a package would only be dependent on the right python version at runtime... If buildout creates sandboxed environments like virtualenv then everything here applies:

https://fedoraproject.org/wiki/Packaging:No_Bundled_Libraries

You can also listen/watch the talk I gave at PyCon which is linked from that page: http://pycon.blip.tv/file/2072580/

If it doesn't create sandboxed environments, then you'll need to give me about a paragraph explaining what it does do.

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