Martijn Pieters wrote:
> > ...with this class, your_attribute isn't going to play in Persistence,
> > is it? (so I can update it lots without worrying about ZODB size
> > growing... :-)
> Yup, this allows you to alias your_attribute to _v_your_attribute without
> creating an attribute that *will* persist in the process.
> your_attribute is set to one instead of the ComputedAttribute instance and
> concequently persisted.
d'Oh... of course...
> If you want _set_your_attribute to be called, you
> need to override __setattr__:
> def __setattr__(self, name, value):
> setter = getattr(self, '_set_' + name, None)
> if setter:
> raise AttributeError, "no such attribute: " + `name`
Hmmm... how would you change this to call the __setattr__ that was there
before you overrode it, if a setter could not be found?
cheers for all the help, this thread might make quite god docs for
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