Darryl Cousins wrote:
On Fri, 2007-08-17 at 19:24 +0200, Martijn Faassen wrote:
I think my next step is to fix some dependencies for Grok to hard
version numbers...

I think that this is a good thing. I recently gave myself quite a bit
grief with a careless bin/buildout which broke my application. To avoid
that I need to be more specific in setup.py. (I haven't attempted it yet

Specifying versions should be done by the application (buildout for example), not setup.py. If versions are put in setup.py they limit what others can do with the version requirements (e.g., relaxing them).

I haven't noticed that any of the maintained packages on svn.zope.org
have specified egg version numbers in the dependencies.

Should perhaps example be set by beginning to do so?

I prefer versions be specified (by buildout) for my packages, it helps make development a lot more deterministic. One downside is that bugs (including incompatibilities) in packages are found later because new version uptake is much slower with nailed versions. One upside, as you've discovered, is that you don't have version changes forced upon you.

A nice mix of the two approaches will be possible when buildout supports the "only use release eggs" option.
Benji York
Senior Software Engineer
Zope Corporation
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