[Python-Dev] properties with decorators (was: code blocks using 'for' loops and generators)

Jp Calderone exarkun at divmod.com
Thu Mar 17 19:36:13 CET 2005


On Thu, 17 Mar 2005 09:01:27 -0800, Josiah Carlson <jcarlson at uci.edu> wrote:
>
> Nick Coghlan <ncoghlan at iinet.net.au> wrote:
> > 
> > Josiah Carlson wrote:
> > > 
> > > [snip]
> > > 
> > > I think properties are the most used case where this kind of thing would
> > > be nice.  Though the only thing that I've ever had a gripe with
> > > properties is that I didn't like the trailing property() call - which is
> > > why I wrote a property helper decorator (a use can be seen in [1]).  But
> > > my needs are small, so maybe this kind of thing isn't sufficient for
> > > those who write hundreds of properties.
> > [snip]
> > 
> > I'm still trying to decide if the following is an elegant solution to defining 
> > properties, or a horrible abuse of function decorators:
> 
> [snip example]
> 
> The only issue is that you are left with a closure afterwards, no big
> deal, unless you've got hundreds of thousands of examples of this.  I
> like your method anyways.

  No closed over variables, actually.  So no closure.

> 
>  - Josiah
> 

  Jp


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