[Zope-CMF] Re: Adding python packages to ProductsPath

Wichert Akkerman wichert at wiggy.net
Sat Feb 10 15:53:38 EST 2007

Hi Yuppie!

Previously yuppie wrote:
> Hi Wichert!
> Wichert Akkerman wrote:
> >At the moment it is not possible to use skin layers in pure python
> >packages. This is caused by the DirectoryView implementation using
> >a minimal path name for the layer id. This path name is created
> >by CMFCore.utils.minimalpath, which uses the ProductsPaths list of
> >directories to look for the filesystem directory and uses an absolute
> >path if it can't find it. Since this absolute path will differ per
> >install you can't use it in something like genericsetup profiles.
> >
> >The patch below fixes this by adding $INSTANCE_HOME/lib/python to the
> >ProductsPaths list. This allows minimalpath to find python packages 
> >installed
> >there.
> >
> >Are there any objections to commiting this to trunk?
> Yes, I object. This is a hack that resolves the issue just for some 
> special use cases. We need a solution that works with python packages 
> anywhere in the python path.
> Please read this thread:
> http://mail.zope.org/pipermail/zope-cmf/2006-July/024631.html
> And please note that we just need a human readable registry key, nothing 
> that allows to look up the directories directly.

Ok, I did that: http://www.zope.org/Collectors/CMF/467

it needs a few tests obviously, but I think the approach is correct.


Wichert Akkerman <wichert at wiggy.net>    It is simple to make things.
http://www.wiggy.net/                   It is hard to make things simple.

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