[Python-Dev] PEP 318: Properties

["Martin v. Löwis"]

Guido van Rossum wrote:
> I'm still torn whether to promote defining properties this way:
> 
>   [propget]
>   def x(self):
>       "Doc string for x"
>       return self.__x
> 
>   [propset]
>   def x(self, newx):
>       self.__x = newx
> 
>   [propdel]
>   def x(self):
>       del self.__x
> 
> but if people like this (whatever the decorator syntax :) we might as
> well make this the recommended way to define properties.

Does that actually work? I.e. is there an implementation of propget,
propset, propdel so that this code introduces a property x?

My understanding is that above syntax would be short for>   [propget]
     def x(self):
        "Doc string for x"
        return self.__x
     x = propget(x)

     def x(self, newx):
        self.__x = newx
     x = propset(x)

     def x(self):
        del self.__x
     x = propdel(x)

Later assignments to x would override earlier ones, so that only
the propdel survives.

Regards,
Martin