Interesting decorator use.

[Tom Willis]

On Thu, 24 Feb 2005 15:20:30 -0700, Steven Bethard
<steven.bethard at gmail.com> wrote:
> Tom Willis wrote:
> >>> Question on decorators in general. Can you parameterize those?
> >
> > Wow thanks for the explanation!! Some of it is a bit mind bending to
> > me at the moment , but I'm going to mess with it a bit.
> 
> Oh, I also should have mentioned that there's some explanation at:
> 
> http://www.python.org/peps/pep-0318.html
> 
> Specifically on parameterizing:
> 
> """The current syntax also allows decorator declarations to call a
> function that returns a decorator:
> 
> @decomaker(argA, argB, ...)
> def func(arg1, arg2, ...):
>      pass
> 
> This is equivalent to:
> 
> func = decomaker(argA, argB, ...)(func)
> 
> The rationale for having a function that returns a decorator is that the
> part after the @ sign can be considered to be an expression (though
> syntactically restricted to just a function), and whatever that
> expression returns is called. See declaration arguments [15]."""
> 
> But playing around with it is, IMHO, definitely the best way to figure
> it out. =)
> 
> STeVe
> --
> http://mail.python.org/mailman/listinfo/python-list
> 
 Getting back to your recipe. Through the explanation of how to get
parameters in there, I see how it is possible to get a logger in
there.

Pretty slick that python can have AOP-like features sort of out of the box.


Thanks again, off to check out the link... 




-- 
Thomas G. Willis
http://paperbackmusic.net