[Distutils] setuptools 0.6c7 and zc.buildout: find-links egg fragment issue

[Tarek Ziadé]

Jim Fulton wrote:
> 
> FWIW, I find this feature to be baroque. I have very little interest  
> in supporting it in buildout. (I wouldn't go out of my way to break it  
> either.) I'd prefer to explore other ways to deal with the underlying  
> use case in the context of buildout.  I've tried to ignore this issue  
> broadly, but I'm willing to work on an alternate solution because just  
> seeing the discussion go by is too painful to keep ignoring.
> 

Ok. The use case is : we are working on a bunch of private packages
that do not have a public distribution.

So we start a buildout like this:

  [buildout]
  
  develop =
      ../../packages/my.package 
      ../../packages/my.package2
  
  eggs = 
     my.package
     my.package2

Then we create for each package a tag on the svn. And we want to 
distribute our buildout. so we change the buildout this way:

  [buildout]
  
  find-links =
      http://private/packages/my.package/tags/0.1#egg=my.package 
      http://private/packages/my.package2/tags/0.1#egg=my.package2 
  
  extensions = lovely.buildouthttp
  
  download-cache = downloads

  eggs = 
     my.package
     my.package2

 
..to build a buildout that will have those eggs built within the folder.
Then we add "install-from-cache" and "offline" to provide a installable
tarball.

Ok, we could release some eggs in some private url to have the proper
find-links, but the #egg is quite convenient to avoid this extra step.

So if we can find a way to automate this..

2/ the develop problem

Another point that would be great to consider: setting up the develop
section can be painful when you share a project among many developers,
because they need to svn checkout many packages and make sure they
have the same folder structure.

So could you consider this feature here :
http://pypi.python.org/pypi/gp.svndevelop/0.1 ?
We created this to be able to automate the set of develop on developers
boxes.
I think buildout misses this.

3/ the boostrap.py problem

If we want to have a full offline mode (not using your rpm system) with a
buildout directory, 
we need boostrap.py to avoid trying to get setuptools with an openurl call.

So we have created a special boostrap.py file that first looks in the eggs
folder,
to be sure to have a 100% offline mode

https://ingeniweb.svn.sourceforge.net/svnroot/ingeniweb/IngeniSkel/trunk/ingeniskel/templates/iw_plone_project/buildout/bootstrap.py

Could you consider such a feature as well ?

We work a *lot* with zc.buildout here, and those three points are the three
things that are missing,
in the way we use it. I can spare some time to work on some branches.

++
Tarek




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