[Python-Dev] Definining properties - a use case for class decorators?

[Calvin Spealman]

On 10/16/05, Guido van Rossum <guido at python.org> wrote:
> On 10/16/05, Nick Coghlan <ncoghlan at iinet.net.au> wrote:
> > On and off, I've been looking for an elegant way to handle properties using
> > decorators.
> >
> > It hasn't really worked, because decorators are inherently single function,
> > and properties span multiple functions.
> >
> > However, it occurred to me that Python already contains a construct for
> > grouping multiple related functions together: classes.
>
> Nick, and everybody else trying to find a "solution" for this
> "problem", please don't. There's nothing wrong with having the three
> accessor methods explicitly in the namespace, it's clear, and probably
> less typing (and certainly less indenting!). Just write this:
>
>     class C:
>         def getFoo(self): ...
>         def setFoo(self): ...
>         foo = property(getFoo, setFoo)

Does this necessisarily mean a 'no' still for class decorators, or do
you just not like this particular use case for them. Or, are you
perhaps against this proposal due to its use of nested classes?