[Zope-dev] Re: Zope on Python 2.5?

Chris McDonough chrism at plope.com
Thu Nov 1 23:47:28 EDT 2007


On Nov 1, 2007, at 1:28 AM, Andreas Jung wrote:

>
>
> --On 31. Oktober 2007 22:00:46 -0700 Alexander Limi <limi at plone.org>  
> wrote:
>
>> On Wed, 31 Oct 2007 21:29:36 -0700, Andreas Jung <lists at zopyx.com>  
>> wrote:
>>
>>> The recommendation is still "System python is evil, evil,  
>>> evil" (quoting
>>> Jim).
>>
>> Sure, but if you ever want to be able to tell users to do:
>>
>> easy_install plone
>>
>>
>
> One other point: "easy_install plone" make only sense if the  
> underlying machinery generates an isolated environment for your  
> Plone instance. You really don't want to mess up your system python  
> with a hundred Zope or Plone eggs. This is definitely the road to  
> disaster. On distributions that depends on Python for their internal  
> processing/administration (I think Fedora does) you might break the  
> functionality of your system installation significantly in case of  
> broken or misbehaving eggs. So we must be careful about the story
> we're telling the users. The obviously easiest way is possibly not  
> the best way (in the long term).

I think installing into a virtualenv created by a system Python is at  
least 50% less evil than installing packages directly into the system  
Python, and reasonable for a development environment, at least in semi- 
controlled situations (like Apple's Python).

- C



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