[Zope3-dev] Re: zope.cachedescriptors outdated

[Philipp von Weitershausen]

Jeff Shell wrote:
> With `readproperty`, you can still have the simple
> getter-method-wrapper property, with the ability to replace the value
> on instances. So no, the builtin 'property' descriptor is not fine.
> `property` came into being when Python got descriptors, but before it
> got decorators. By grand design or divine accident,

Clearly Guido's time machine is to blame here :)

> the fact that the
> first argument for `property` is the getter function makes it a useful
> decorator. But it wasn't written with decorators in mind. It was
> written for ``x = property(getX, setX, delX)``, or some combination
> thereof.

I once mused about this and came up with rwproperty (a decorator 
spelling for getters *and* setters, del'ers) and classproperty (uses 
nested class statement): 
http://www.z3lab.org/sections/blogs/philipp-weitershausen/2006_05_29_pycon-06-lightning-talk 
if anyone cares.

Anyway, sorry for the off-topicness... back to business :)


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