[Grok-dev] object relationships

[Jeroen Michiel]

Martijn Faassen-2 wrote:
> 
> Hey Jeroen,
> 
> Can you try the new releases of z3c.relationfield and 
> z3c.relationfieldui and see whether they work better? It took me a while 
> to get around to this, but the support should be in there now. See my 
> other post in this thread for more info.
> 
> Regards,
> 
> Martijn
> 
> 
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> 
> 
I tried with the new version, but i have the same issue with applyData:
line 53 in z3c/relationfield/event.py raises a KeyError in updateRelations
on getId:
    rels = list(catalog.findRelations({'from_id': intids.getId(obj)}))
because an ObjectModified event is triggered

If you want to reproduce, try this code (with a few extra's which I'm sure
you'll figure out):

class IBuddy(Interface, relationfield.interfaces.IHasRelations):
    name = schema.TextLine(title=u'The Name')
    buddy = relationfield.RelationChoice(title=u'My Buddy', required=False,
source = BuddySource())

class AddBuddy(grok.AddForm):
    grok.context(grok.Container)
    grok.name('add')
    form_fields = grok.Fields(IBuddy)

    @grok.action('Add')
    def Add(self, **data):
        buddy = Buddy()
        self.applyData(buddy, **data)
        self.context[buddy.name] = buddy
        self.redirect(self.url(buddy))
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