[Grok-dev] Having objects appear in more than one place in the Application Hierarchy

Katja Süss k.suess at gmx.net
Thu Nov 29 07:30:11 EST 2007

For a prototype I used the lovely.relation package which depends on zc.relationship

Kevin Teague schrieb:
> For modeling relationships such as "Courses have many Lessons and 
> Lessons can belong to many Courses" (has and belongs to many) you may 
> want to take a look at zc.relationship:
> http://pypi.python.org/pypi/zc.relationship/
> Note that the overview says, "It is expected to be used primarily as an 
> engine for more specialized and constrained tools and APIs." so your 
> head may explode a little bit upon reading the documentation for the 
> pacakge ...
> There are packages for Plone that builds upon zc.relationship to provide 
> a more user-friendly API - something such as a megrok.relations package 
> might be nice.
> http://pypi.python.org/pypi/plone.relations
> http://pypi.python.org/pypi/plone.app.relations
> http://dev.comlounge.net/conference/plone-conference-2007-video-alec-mitchell-about-ploneapprelations-relationships-in-plone/ 
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