On Jan 11, 2008, at 10:25 AM, Christophe Combelles wrote:
Jürgen Kartnaller a écrit :
john saponara wrote:
I want to allow the user to create car and driver objects in a
limoService container. Car objects will stand alone, but each
driver object should contain a car object by reference (not by
value) and the driver add form should allow the user to choose
which car the new driver object will have. Should IDriver's car
attribute be a schema.Object or a schema.Choice?
Have a look at the package zc.relation and for a simple use of
zc.relation use lovely.relation which provides relation properties
for your objects.
What is zc.relation compared to zc.relationship?
zc.relation is zc.relationship NG. I have not released it yet. When
I do, I'll also release a zc.relationship that is a wrapper of
zc.relation.
zc.relation has MUCH fewer dependencies, so it is more of a ZODB tool
rather than a Zope tool; doesn't have the more user-friendly bits like
the relationship container; and has some new features like transitive
indexes that you can hook up.
I have not released it because there a few features I want to test
better (the new ``copy`` method in particular) and because I have been
busy with other things.
Gary_______________________________________________
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