Path: csiph.com!usenet.pasdenom.info!news.albasani.net!newsfeed.freenet.ag!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.000 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'args': 0.04; "'')": 0.07; 'args)': 0.07; 'arguments': 0.07; 'decorator': 0.07; 'used.': 0.07; 'wrapper': 0.07; '**kwargs)': 0.09; '**kwargs):': 0.09; 'arg': 0.09; 'from:addr:ethan': 0.09; 'from:addr:stoneleaf.us': 0.09; 'from:name:ethan furman': 0.09; 'message-id:@stoneleaf.us': 0.09; 'received:184.172': 0.09; 'received:gator410.hostgator.com': 0.09; 'subject:using': 0.09; 'unexpected': 0.09; 'wraps': 0.09; '~ethan~': 0.09; 'def': 0.10; 'functools': 0.16; 'subject: \n ': 0.16; 'wrote:': 0.17; 'import': 0.21; 'header:In-Reply-To:1': 0.25; 'header:User-Agent:1': 0.26; 'extend': 0.26; 'used,': 0.27; 'subject:all': 0.29; 'van': 0.29; 'becomes': 0.30; 'keyword': 0.30; 'error': 0.30; '-----': 0.32; 'handle': 0.33; 'to:addr :python-list': 0.33; 'code:': 0.33; 'subject:?': 0.35; 'there': 0.35; 'add': 0.36; 'subject:: ': 0.38; 'to:addr:python.org': 0.39; 'header:Received:5': 0.40; 'email addr:gmail.com': 0.63; 'received:67.18': 0.65; 'subject:there': 0.65; 'subject:before': 0.84 Date: Thu, 15 Nov 2012 20:00:25 -0800 From: Ethan Furman User-Agent: Thunderbird 1.5.0.10 (Windows/20070221) MIME-Version: 1.0 To: python-list@python.org Subject: Re: Is there a simpler way to modify all arguments in a function before using the arguments? References: <18134e77-9b02-4aec-afb0-794ed900d194@googlegroups.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator410.hostgator.com X-AntiAbuse: Original Domain - python.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - stoneleaf.us X-BWhitelist: yes X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([192.168.11.101]) [173.12.184.238]:61183 X-Source-Auth: ethan+stoneleaf.us X-Email-Count: 0 X-Source-Cap: dG9idWs7dG9idWs7Z2F0b3I0MTAuaG9zdGdhdG9yLmNvbQ== X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 31 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1353039367 news.xs4all.nl 6899 [2001:888:2000:d::a6]:44518 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:33411 Emile van Sebille wrote: > brucegoodstein@gmail.com wrote: > >> Using a decorator works when named arguments are not used. When named >> arguments are used, unexpected keyword error is reported. Is there a >> simple fix? > > Extend def wrapper(*args) to handle *kwargs as well > > Emile > >> Code: >> ----- >> >> from functools import wraps >> >> def fix_args(fn): >> @wraps(fn) >> def wrapper(*args): so this line ^ becomes def wrapper(*args, **kwargs): >> args = (arg.replace('_', '') for arg in args) and add a line for k, v in kwargs: kwargs[k] = v.replace('_', '') >> return fn(*args) and this line ^ becomes return fn(*args, **kwargs) >> return wrapper ~Ethan~