Daniel Fetchinson schrieb:
>>>> I use so called SubObjects for excactly this purpose:
>>>>
>>>> http://paste.turbogears.org/paste/1684
>>>>
>>> Greg, assuming that if you delete an object that has been commented on
>>> you want the comments to get deleted automatically then how do you do
>>> this? You over-write the destroySelf method of the object in question?
>> At the moment I do this manually, but patches are welcome :-)
>>
>> Greg
>
> Greg, I don't quite get how you use your code. Using a mixin class
> doesn't seem to work for me as expected, the magic method _get_xxxxx
> does not get converted into attribute access in the same way as a
> similarly named method defined directly in the class (and not the
> mixin) would:
I am sorry I missed to copy & paste
one line:
class CommentMixin(BaseMixin):
additional_attributes = ["comments"]
def _get_comments(self):
return self._select_sub_objects(Comment, Comment.q.id, False)
comments = property(_get_comments)
The _get methods are only converted to properties if the object is
inherited from SQLObject.
Gregor
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