[Distutils] virtualenv and buildout integration ?

Chris Withers chris at simplistix.co.uk
Thu Aug 27 09:46:07 CEST 2009

Gary Poster wrote:
> While it has the functionality that I believe you want (that is, you can 
> entirely exclude the normal Python site-packages), 

Cool :-)

> we're using it 
> successfully on Launchpad right now to do something similar to what you 
> describe, but different.  We allow site-packages through, so we get 
> system lxml and pyopenssl, for instance, but we explicitly get 
> distributions via buildout for the bits that are more closely tied to 
> the application, even if conflicting eggs are installed for the system.  
> We've only had the changes in place for a couple of weeks, but things 
> seem to be *much* smoother with them now.

Indeed. Sounds great. However, what do you do if the system installed 
libraries are the wrong very (eg: the buildout specifies a particular 
version, and the one in site-packages isn't it)?


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