[Zope-dev] Re: Zope2 and eggs

[Wichert Akkerman]

Previously Daniel Nouri wrote:
> Wichert Akkerman wrote:
> >Previously Daniel Nouri wrote:
> >>Wichert Akkerman wrote:
> >>>I wanted to share a bit of experience I just had with use of eggs in 
> >>>Zope2.
> >>>For a project I am working on I want to use the zope.sendmail package in
> >>>a Zope2 environment managed using buildout. I added zope.sendmail to the
> >>>eggs list in the buildout configuration and ran buildout. This pulled in
> >>>a large part of the Zope3 packages. This produced conflicts between those
> >>>packages and the ones included in Zope2 which resulted in a pretty boken
> >>>instance:
> >>easy_install has a --no-deps option.  Maybe that's supported in buildout?
> >
> >That's a bit of a workaround though.
> 
> It's a hack, yes.
> 
> >Ideally Zope2 should be an egg which somehow tells buildout/setuptools
> >that it also provides the various zope.* packages it includes at the
> >moment. Similar to the providers-mechanism which packaging systems like
> >dpkg and rpm implement perhaps. Provides and (semi-) virtual packages
> >are going to be essential to deal with swappable components as well.
> 
> I didn't realize you were working *with* the Zope 2 egg that Philipp 
> created.  I don't have any experience with that, still what you're 
> proposing makes much sense to me.

I'm not, but with eggs that should be possible. Ideally.

Wichert.

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