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Groups > comp.lang.python > #33088
| From | aahz@pythoncraft.com (Aahz) |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Is there a simpler way to modify all arguments in a function before using the arguments? |
| Date | 2012-11-10 07:35 -0800 |
| Organization | The Cat & Dragon |
| Message-ID | <k7ls7f$kvr$1@panix5.panix.com> (permalink) |
| References | <18134e77-9b02-4aec-afb0-794ed900d194@googlegroups.com> <a8ed6936-0e85-421b-a2a4-96f255e7d76d@googlegroups.com> <mailman.3530.1352538537.27098.python-list@python.org> |
In article <mailman.3530.1352538537.27098.python-list@python.org>,
Peter Otten <__peter__@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 (aahz@pythoncraft.com) <*> http://www.pythoncraft.com/
"....Normal is what cuts off your sixth finger and your tail..." --Siobhan
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Is there a simpler way to modify all arguments in a function before using the arguments? bruceg113355@gmail.com - 2012-11-09 16:48 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Roy Smith <roy@panix.com> - 2012-11-09 20:05 -0500
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-11-10 01:16 +0000
Re: Is there a simpler way to modify all arguments in a function before using the arguments? bruceg113355@gmail.com - 2012-11-10 05:15 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Chris Angelico <rosuav@gmail.com> - 2012-11-11 05:33 +1100
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Paul Rubin <no.email@nospam.invalid> - 2012-11-09 18:52 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Chris Angelico <rosuav@gmail.com> - 2012-11-10 14:56 +1100
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Paul Rubin <no.email@nospam.invalid> - 2012-11-09 20:05 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Chris Angelico <rosuav@gmail.com> - 2012-11-10 20:19 +1100
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Miki Tebeka <miki.tebeka@gmail.com> - 2012-11-09 20:17 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Peter Otten <__peter__@web.de> - 2012-11-10 10:09 +0100
Re: Is there a simpler way to modify all arguments in a function before using the arguments? aahz@pythoncraft.com (Aahz) - 2012-11-10 07:35 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? bruceg113355@gmail.com - 2012-11-10 09:56 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Peter Otten <__peter__@web.de> - 2012-11-11 10:28 +0100
Re: Is there a simpler way to modify all arguments in a function before using the arguments? brucegoodstein@gmail.com - 2012-11-15 15:20 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Emile van Sebille <emile@fenx.com> - 2012-11-15 16:03 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Ethan Furman <ethan@stoneleaf.us> - 2012-11-15 20:00 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? bruceg113355@gmail.com - 2012-11-16 07:00 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Ethan Furman <ethan@stoneleaf.us> - 2012-11-16 13:30 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? bruceg113355@gmail.com - 2012-11-16 07:00 -0800
Re: Is there a simpler way to modify all arguments in a function before using the arguments? Steve Howell <showell30@yahoo.com> - 2012-11-11 09:45 -0800
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