Path: csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed5.news.xs4all.nl!xs4all!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 0.002 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'else:': 0.03; 'subject:code': 0.07; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'def': 0.10; 'message-id:@dough.gmane.org': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'wrote:': 0.17; 'this:': 0.23; 'header:In-Reply-To:1': 0.25; 'header:User-Agent:1': 0.26; 'header:X-Complaints-To:1': 0.28; "d'aprano": 0.29; 'loop,': 0.29; 'steven': 0.29; 'to:addr:python- list': 0.33; 'skip:d 20': 0.34; 'received:org': 0.36; 'skip:p 20': 0.36; 'item': 0.37; 'subject:: ': 0.38; 'to:addr:python.org': 0.39; 'header:Received:5': 0.40; 'subject:running': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Serhiy Storchaka Subject: Re: conditional running of code portion Date: Sun, 05 Aug 2012 19:40:40 +0300 References: <0a61aed2-bd14-4022-bf59-a3bb3af55b3c@sn4g2000pbc.googlegroups.com> <501e1319$0$29978$c3e8da3$5496439d@news.astraweb.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: 37.115.70.213 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:14.0) Gecko/20120714 Thunderbird/14.0 In-Reply-To: <501e1319$0$29978$c3e8da3$5496439d@news.astraweb.com> X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 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: 24 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1344184861 news.xs4all.nl 6955 [2001:888:2000:d::a6]:48446 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:26539 On 05.08.12 09:30, Steven D'Aprano wrote: > If you are working in a tight loop, you can do this: > > if VERBOSE_FLAG: > for item in loop: > print(DEBUG_INFORMATION) > do_actual_work(item) > else: > for item in loop: > do_actual_work(item) Or this: if VERBOSE_FLAG: def do_work(item): print(DEBUG_INFORMATION) do_actual_work(item) else: do_work = do_actual_work for item in loop: do_work(item)