At 03:09 PM 9/25/2005 -0500, Ian Bicking wrote:
>Ian Bicking wrote:
> > The __requires__ variable causes pkg_resources to require that package.
> > So later when .run_script() is called, the package has already been
> > loaded, and .requires() returns [], and it fails. I actually don't know
> > what situation it would work in. But I also realize setuptools has had
> > a hard time updating my scripts, so I didn't notice it myself.
>
>Well, okay, maybe not quite that. Anyway, I was able to confirm the
>problem after doing a more insulated install, and the attached diff
>against pkg_resources.py fixes it.
There wasn't a diff attached, but in the meantime I've sent a diff that
fixes the problem.
>It would be nice if there was a require-and-find method, whenever I want
>to get a distribution I find I have to do:
>
>pkg_resources.require('Package')
>dist = pkg_resources.working_set.find(pkg_resources.Require('Package'))
>
>at least that's the best combination I've figured out so far.
See:
http://peak.telecommunity.com/DevCenter/PkgResources#getting-or-creating-distributions
The correct API is get_distribution(), but you need a correctly working
pkg_resources, which sadly is not possible with 0.6a3. Downgrade to a2 or
use the patch I posted.
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