Donn Ingle a écrit :
>>class Key(object):
>>def __init__self):
>>self.__dict__['props'] = KeyProps()
>
> Okay - that's weird.
No, that's coherent. The default behavior (I mean, when there's no
descriptor involved etc) of __setattr__ is to store attributes in
instance.__dict__. So as long a you override __setattr__, you have to
take care of this by yourself.
> Is there another way to spin this?
>
>>def __setattr__(self,var,val):
>>setattr(self.props,var,val)
>
> Perhaps by changing this one?
If you know by advance which names should live in your object and/or
which should belong to the KeyProps instance, then you can check and
dispatch, ie:
class Key(object):
# names that must not be delegated to instance.props
_mynames = ['props', 'foo', 'bar']
def __setattr__(self, name, value):
if name in self._mynames:
object.__setattr__(self, name, value)
else:
setattr(self.props, name, value)
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