[Zope-dev] Anyone want to do Google Summer of code mentoring for PSF?

Wichert Akkerman wichert at wiggy.net
Mon Mar 21 02:25:44 EDT 2011


On 2011-3-20 17:47, Hanno Schlichting wrote:
> Sure. I didn't mean to exclude this. Pyramid allows you to do a very
> explicit configuration without any scanning. If you write an
> application and have full control over all its parts, this works.
>
> Things get complicated, once you reuse libraries which in turn have
> other library dependencies with configuration actions. Ignore the
> naming for the moment. You could call these application components,
> arguing that a library shouldn't have any hard configuration
> requirements.
>
> Currently we have an explicit approach via providing a configure.zcml
> in each library, which causes all relevant parts to be imported and
> hooked up. One library can include the ZCML of another library or a
> subpackage of its own. Either each library provides a similar central
> place, which imports all its modules with configuration actions, or
> you use the scanning approach to avoid the explicit mechanism.
>
>> Also, If there's an existing mechanism that does what I want and I'm
>> just ignorant of, I'd be happy to learn about it.  If such a thing
>> exists or can be cobbled together from existing ideas, I'd like to
>> elevate it either as part of the ZCA or as a best-practice tool that
>> stands independent of any particular application framework.
>
> I think venusian, the venusian actions and the configuration machinery
> of Pyramid come pretty close to this. Personally I think we could
> extract these and roll them back into the ZTK.

Pyramid's config.include sounds like exactly that.

Wichert.

-- 
Wichert Akkerman <wichert at wiggy.net>   It is simple to make things.
http://www.wiggy.net/                  It is hard to make things simple.


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