Hi Philipp,

Philipp von Weitershausen wrote:
> Uli Fouquet wrote:
> > during grok development we recently experienced some trouble with the
> > zope.app.error package. We distribute the list on
> > `http://download.zope.org/distribution` as sources list for grokproject,
> > so that projects created with that tool, by default lookup this list for
> > available eggs/packages. 
> Actually, what happens is that buildout/setuptools will go there for 
> *extra* links. It will always go to the package index first.

I checked that and, yes, you are right. Anyway, your hint helped me to
find the real reason, a misconfigured versions list of the grok release.
Sorry for the trouble.

> > Is there a special reason, why zope.app.error 3.5.1 is not listed on the
> > above distribution list (while older versions are listed)?
> I don't think we should continue uploading stuff to 
> http://download.zope.org/distribution.
> > What is the recommended sources list for looking up zope eggs during
> > buildout, anyway?
> I wish we wouldn't have to specify http://download.zope.org/distribution 
> at all in our buildout.cfg. I think we're close to this point.

Why do we have to? 

> > There is at least also the `ppix` 'listing' on
> > download.zope.org (which already provides zope.app.error 3.5.1). What's
> > the difference in terms of completeness and up-to-dateness of listed
> > packages?
> http://download.zope.org/distribution is just a flat directory that svn 
> committers can upload files to. It's used by buildout/setuptools as a 
> "find-links" parameters. ppix is a *package index*, a mirror of the 
> simple PyPI index to be precise.

This sounds like a pretty complete and automatically up-to-date 'list',
compared to the `distribution` list. Wouldn't it be useful then to set
the index to ppix and drop the find-links entry?

Thanks for the enlightenment!


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