All,
I never used decorators before. I saw Miki Tebeka's sample code and your
rationale (Aahz) and I like it. For my application problem, decorators seem
like a good solution.
Thanks to all,
Bruce
On Saturday, November 10, 2012 10:35:12 AM UTC-5, Aahz wrote:
> In article <mailman.3530.1352538537.27098.python-l...@python.org>,
>
> Peter Otten <__pete...@web.de> wrote:
>
> >Miki Tebeka wrote:
>
> >
>
> >>> Is there a simpler way to modify all arguments in a function before using
>
> >>> the arguments?
>
> >>
>
> >> You can use a decorator:
>
> >>
>
> >> from functools import wraps
>
> >>
>
> >> def fix_args(fn):
>
> >> @wraps(fn)
>
> >> def wrapper(*args):
>
> >> args = (arg.replace('_', '') for arg in args)
>
> >> return fn(*args)
>
> >>
>
> >> return wrapper
>
> >>
>
> >> @fix_args
>
> >> def foo(x, y):
>
> >> print(x)
>
> >> print(y)
>
> >
>
> >I was tempted to post that myself, but he said /simpler/ ;)
>
>
>
> From my POV, that *is* simpler. When you change the parameters for foo,
>
> you don't need to change the arg pre-processing. Also allows code reuse,
>
> probably any program needing this kind of processing once will need it
>
> again.
>
> --
>
> Aahz (a...@pythoncraft.com) <*> http://www.pythoncraft.com/
>
>
>
> "....Normal is what cuts off your sixth finger and your tail..." --Siobhan
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