[Distutils] Buildout not updating setuptools
jim at zope.com
Mon Jul 9 20:09:46 CEST 2007
On Jul 9, 2007, at 1:45 PM, Phillip J. Eby wrote:
> At 01:10 PM 7/9/2007 -0400, Jim Fulton wrote:
>> IMO, they shouldn't have the same precedence. IMO installations made
>> with the develop command should have the highest precedence. After
>> all, why would someone use the develop command if they didn't want to
>> see the effects of changes they're making in development. Could we
>> can change the develop command to generate a different symbol, like
>> REALLY_DEVELOP_DIST and give it the highest precedence? (Tempted to
>> wink, but not really kidding...) It appears that it doesn't actually
>> generate anything atm, but I think it should.
> I could have .egg-link files use a different precedence, but I
> wouldn't make it the highest. Develop eggs have the lowest
> precedence for two reasons: one, easy_install prefers to use eggs
> it can copy,
Why does this matter to users?
> and two, develop eggs have lower precedence to prevent you thinking
> that your version requirements are correct when they aren't.
> That is, if you depend on 1.9.dev-r1201, and that picks up your
> development version in place of an .egg file with the same version,
> you won't be able to tell that your requirement is wrong. This can
> occur if you are working on an SVN checkout - your develop egg has
> the same version as the built one, but you could have changed it.
That's a fair argument. I think it is just as bad to be making
changes to an svn checkout and having those changes have no effect.
I suppose that any time we select among two distributions with the
same version based on precedence, we should issue a warning, at least
when one of them is a develop dist.
> This was actually more of a happy coincidence than something I
> planned ahead of time, but it does occur in practice. :)
It made me very unhappy when I first started working with
setuptools. I use develop eggs a lot and I definately expect them to
> Note that in any event, if we make platform-specific eggs have
> higher precedence, then platform-specific built eggs will have to
> take precedence over develop eggs, because "true" develop eggs are
> never viewed as "platform-specific" (because they have no platform
> name in their .egg-info directory name).
This argument sounds overly pedantic to me.
Jim Fulton mailto:jim at zope.com Python Powered!
CTO (540) 361-1714 http://www.python.org
Zope Corporation http://www.zope.com http://www.zope.org
More information about the Distutils-SIG