[Zope3-Users] Re: how to model a 1-to-1 relation

[Christophe Combelles]

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?

> 
> Jürgen
> 
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