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

Andreas Jung lists at zopyx.com
Fri Nov 2 00:36:41 EDT 2007



--On 1. November 2007 23:47:28 -0400 Chris McDonough <chrism at plope.com> 
wrote:

>
> 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).


Sure, but users that don't know about virtualenv might run into such 
problems.

Andreas
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