Path: csiph.com!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed2.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 0.003 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'tutorial': 0.03; 'formatting': 0.09; 'mentions': 0.09; 'pep': 0.09; 'spreading': 0.09; 'subject:language': 0.09; 'cc:addr:python-list': 0.11; 'language.': 0.14; 'disappear,': 0.16; 'from:addr:pobox.com': 0.16; 'from:addr:skip': 0.16; 'issue?': 0.16; 'otoh,': 0.16; 'outdated': 0.16; 'somewhere.': 0.16; 'subject: \n ': 0.16; 'sender:addr:gmail.com': 0.17; 'cc:addr:python.org': 0.22; 'cc:2**1': 0.23; 'removed.': 0.24; 'skip': 0.24; 'subject:will': 0.24; 'mention': 0.26; 'header:In-Reply-To:1': 0.27; '[1]': 0.29; 'message-id:@mail.gmail.com': 0.30; 'url:python': 0.33; 'older': 0.33; 'updated': 0.34; 'subject:the': 0.34; "i'd": 0.34; 'subject:from': 0.34; 'received:google.com': 0.35; 'date.': 0.36; 'url:org': 0.36; 'should': 0.36; 'operating': 0.37; 'being': 0.38; 'system,': 0.38; 'does': 0.39; 'days': 0.60; 'remove': 0.60; 'eventually': 0.60; 'subject:"': 0.60; 'day': 0.76; 'subject:this': 0.83; '3101': 0.84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=o2+6jnL7J+sKYdkBmJmA5CfJTz5FCcrpBz4a1R4YJTc=; b=yIyUb947Rm8gAqtTOAo7IaxCEIHGWvBwAGRH3QVilL5eFhKTY6S0VWRHdxAxBtXRyA 2tp2DrNcmq52PKz75XMsRV4PHlYFjtodv7yAgtgV1KlEQanstJVGYD0SlDWL/xQ3GjuY W0/zqiD1775GTRf8QTr7k+y6XdPbVOwROmpA+VpYwFzLfUBHd7BgKciH3rsQAaK5BCIR hNuZibn+T0QdOBxdbTRoCx9/SPOfHsQwXbP2O/CTBTy5+CVzqY61W4ktevhqAoQ+GgeO lNMCmv00KLA5gC5A4NgvjM7Grj8epB5ZthOHljobgoGbBMvxD5E0UK56TmTbCp7GMbq+ w7Tw== MIME-Version: 1.0 X-Received: by 10.180.212.3 with SMTP id ng3mr13532600wic.22.1369218942585; Wed, 22 May 2013 03:35:42 -0700 (PDT) Sender: skip.montanaro@gmail.com In-Reply-To: <519C3B02.1020706@nedbatchelder.com> References: <519C3B02.1020706@nedbatchelder.com> Date: Wed, 22 May 2013 05:35:42 -0500 X-Google-Sender-Auth: 1OZ8gs5cPsFx0cJcZABq4lrH8y0 Subject: Re: Myth Busters: % "this old style of formatting will eventually be removed from the language" From: Skip Montanaro To: Ned Batchelder Content-Type: text/plain; charset=UTF-8 Cc: "python-list@python.org" 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: 23 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1369218950 news.xs4all.nl 15956 [2001:888:2000:d::a6]:60258 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:45719 >> Is this tutorial outdated or this still an issue? >> >> [1] >> http://docs.python.org/2/tutorial/inputoutput.html#old-string-formatting > > > That tutorial is out of date. %-formatting isn't being removed. OTOH, PEP 3101 also mentions deprecation, at the very end: "... both systems can co-exist until it comes time to deprecate the older system." I have been operating under the assumption since the days of that PEP that %-style formatting would eventually disappear, dreading the day when I'd have to learn the str.format language. I apologize for (inadvertently) spreading FUD. It does seem like the documentation should be updated in a few places. If the decision has been made to not remove the older system, it might be worthwhile to mention that somewhere. Clearly the tutorial and PEP 3101 should be updated. Skip