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

Josiah Carlson jcarlson at uci.edu
Thu Mar 17 18:01:27 CET 2005

Nick Coghlan <ncoghlan at iinet.net.au> wrote:

Josiah Carlson wrote: > Samuele Pedroni <pedronis at strakt.com> wrote: [snip] >>well, I think some people desire a more streamlined way of writing code >>like: >> >>def f(...) >>... >>def g(...) >>... >>x = h(...,f,g) >> >>[property, setting up callbacks etc are cases of this] > > > > 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.

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