[Distutils] Building an egg from Subversion using zc.buildout

Jim Fulton jim at zope.com
Sun Feb 11 19:01:41 CET 2007

On Feb 10, 2007, at 7:44 PM, Phillip J. Eby wrote:

> At 02:20 PM 2/10/2007 -0500, Jim Fulton wrote:
>> On Feb 10, 2007, at 2:16 PM, Phillip J. Eby wrote:
>>> At 12:54 PM 2/10/2007 -0500, Jim Fulton wrote:
>> ...
>>>> (Note: Buildout uses PackageIndex to locate and fetch  
>>>> distributions.
>>>> It then installs distributions itself.  if the distribution is
>>>> already an egg,  then this is straightforward.  Otherwise, buildout
>>>> invokes easy_install to do the installation.  It can't get a return
>>>> value from easy_install, so it uses an Environment to find the egg
>>>> that easy_install created.)
>>> Note that easy_install can be told to --record what files it
>>> installs, so you could build a WorkingSet or Environment from that
>>> list.
>> I looked at that a while back.  I don't remember why I didn't take
>> that approach.
>> At this point, I think it would be easier to special-case ==dev. :)
> Ah, but setuptools has a ==dev06, and I think other people have  
> used other tags to denote various SVN branches.  The name used to  
> denote the version is incidental, IOW, so that way lies N special  
> cases, all different.  :)

I really don't understand this feature.  So far I have had to resort  
to experimentation to get a loose grip on it.   I think this needs to  
be much better documented (or dropped). Unfortunately, I think you  
are the only one who can document it because I think that you are the  
only one who truly understands it.


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