Path: csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!204.52.135.9.MISMATCH!newsfeed.hal-mli.net!feeder1.hal-mli.net!newsfeed.xs4all.nl!newsfeed6.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 0.001 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'function,': 0.07; 'rewrite': 0.07; 'subject:Why': 0.09; 'subject:language': 0.09; 'subject:still': 0.09; 'tismer': 0.09; 'properly': 0.15; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'sorts': 0.16; 'subject: \n ': 0.16; 'subject:created': 0.16; 'subject:python2.7': 0.16; 'subject:python3': 0.16; 'subject:seperate': 0.16; 'subject:where': 0.16; 'xxx,': 0.16; '\xa0print': 0.16; 'later': 0.16; 'wed,': 0.16; 'wrote:': 0.17; 'received:209.85.214.174': 0.21; '\xa0if': 0.22; 'header:In-Reply- To:1': 0.25; 'message-id:@mail.gmail.com': 0.27; 'unchanged': 0.29; 'handled': 0.29; 'subject: ?': 0.30; 'could': 0.32; 'print': 0.32; 'problem': 0.33; 'to:addr:python-list': 0.33; 'received:google.com': 0.34; 'christian': 0.34; 'done': 0.34; 'pm,': 0.35; 'received:209.85': 0.35; 'but': 0.36; 'received:209': 0.37; 'far': 0.37; 'subject:: ': 0.38; 'things': 0.38; 'to:addr:python.org': 0.39; 'received:209.85.214': 0.39; 'where': 0.40; 'header:Received:5': 0.40; 'real': 0.61; 'stay': 0.61; 'chance': 0.61; 'subject:there': 0.65 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=niMyeDz99HFP8TFj5MqxVoHZYcUDJG/8FQw3ZLDr+lI=; b=rgpBhhd+Grm3mvff1StMMtC5b6a8F5/Z5KTkk6OKfmTEluEVnTcdCOKSq/4P1O6yrP aU7SJl1Cv+9wEajn8m9OPOhlqWP2yYY6MDTM9CqvhH52cZvjrdVzeH7jbB4HX1QLY6kq GpXuF1faDkE/jI8bsUJLOQHKDwfeWww59dAZMC5F+uhEqeI22n82UV7e4a86zMVjVKtn qGCeS7SLvqVnSzC7W5Nh7ZMBrBJWuEzSeNYIhaooGasFV4if8SS/lYphr+Rd7eGwEeJN ottO5PAX/3R8HinGNURcTHTTLCm6Y/aPtGRn9nz3rkX54TJwb2QapLrio50RZzjZhP2Z Kh1Q== MIME-Version: 1.0 In-Reply-To: <4FEB077E.1010607@stackless.com> References: <1340509604.38915.YahooMailClassic@web164605.mail.gq1.yahoo.com> <4fe92df1$0$29978$c3e8da3$5496439d@news.astraweb.com> <4FEADFB4.5090301@stackless.com> <4FEB077E.1010607@stackless.com> Date: Wed, 27 Jun 2012 23:44:54 +1000 Subject: Re: Why has python3 been created as a seperate language where there is still python2.7 ? From: Chris Angelico To: python-list@python.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable 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: 17 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1340804697 news.xs4all.nl 6932 [2001:888:2000:d::a6]:43579 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:24515 On Wed, Jun 27, 2012 at 11:15 PM, Christian Tismer w= rote: > So what I would have done is to let it work in an imperfect way. People > then have the chance to rewrite with the print function, where it makes > sense. But old packages which need to be changed, only because they > have lots of > > =A0 =A0if DEBUG: > =A0 =A0 =A0 =A0print xxx, yyy, ... > > could just stay unchanged or migrated later after the real meat has > been properly tested etc. Far as I can tell, these sorts of things ought all to be handled by 2to3. No problem once you're looking at migrating. ChrisA