Path: csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!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 0.009 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'definitions': 0.07; 'exists.': 0.07; '32-bit': 0.09; 'high-level': 0.09; 'integers': 0.09; 'python': 0.11; '64-bit,': 0.16; 'big-endian': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'literals': 0.16; 'newlines': 0.16; 'portable': 0.16; 'wrote:': 0.18; 'wed,': 0.18; 'module': 0.19; '>>>': 0.22; 'code,': 0.22; 'import': 0.22; 'aug': 0.22; 'integer': 0.24; "i've": 0.25; 'header:In-Reply-To:1': 0.27; 'chris': 0.29; 'tim': 0.29; 'message-id:@mail.gmail.com': 0.30; "i'm": 0.30; 'code': 0.31; 'usually': 0.31; '25,': 0.31; 'chase': 0.31; 'coded': 0.31; 'ctypes': 0.31; 'decimal': 0.31; 'figure': 0.32; 'supposed': 0.32; 'copying': 0.34; "can't": 0.35; 'convert': 0.35; 'no,': 0.35; 'but': 0.35; 'received:google.com': 0.35; '14,': 0.36; 'module.': 0.36; 'doing': 0.36; "didn't": 0.36; 'should': 0.36; 'to:addr :python-list': 0.38; 'pm,': 0.38; 'to:addr:python.org': 0.39; 'email addr:gmail.com': 0.63; '(here': 0.84; 'pasting': 0.84; 'streams': 0.84; '2013,': 0.91; 'directly.': 0.95; '2013': 0.98 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; bh=PXFfxeN9Z1l8KRytWix+XHL3nACazwbNmjCGqx+A7GM=; b=Q6SbpiXY9VkLnsHGeca6K/7xMG9Zz86N0BYYj/cP/AVddvaLAAZdMpnny3Gd6XRPKH U6m0nF27KxTMWDDBG/LY7tlsplJn6PiKlNA5h4Ag6J4YUbaD1g7qU/+zGchl24RzMGug SETEn8CTsBdJySKgiNNJLzWrt7+2GsAnyWdqzIeFZawEXSilJwQyVDEilAhkVnXCvBHy XZnQ8Rb8H1A4fkDYUHLnHFRByjZAT8egdAWP+dtmxHKXRdDIV0u6leHiGv8xV5+FaS8Y 2oHQ7VTOAiTISNqcSRIuRg+JDA0CQj7sx+2tAXh/jVmNgscy6uZ5iUxi8Fbsz69vhNva VIJw== MIME-Version: 1.0 X-Received: by 10.220.43.19 with SMTP id u19mr10624555vce.3.1376502368063; Wed, 14 Aug 2013 10:46:08 -0700 (PDT) In-Reply-To: <20130814122956.5779e621@bigbox.christie.dr> References: <94f8428f-50b9-4ccd-95a0-6eeafda0fe18@googlegroups.com> <1376499950.3355.9802231.6A03F40D@webmail.messagingengine.com> <20130814122956.5779e621@bigbox.christie.dr> Date: Wed, 14 Aug 2013 18:46:07 +0100 Subject: Re: .split() Qeustion From: Chris Angelico To: python-list@python.org Content-Type: text/plain; charset=ISO-8859-1 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: 38 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1376502377 news.xs4all.nl 15876 [2001:888:2000:d::a6]:44511 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:52529 On Wed, Aug 14, 2013 at 6:29 PM, Tim Chase wrote: > On 2013-08-14 18:14, Chris Angelico wrote: >> On Wed, Aug 14, 2013 at 6:05 PM, wrote: >> > On Wed, Aug 14, 2013, at 10:32, wxjmfauth@gmail.com wrote: >> >> I'm always and still be suprised by the number of hard coded >> >> '\n' one can find in Python code when the portable (here >> >> win) >> >> >> >> >>> os.linesep >> >> '\r\n' >> >> >> >> exists. >> > >> > Because high-level code isn't supposed to use the os module >> > directly. Text-mode streams automatically convert newlines you >> > write to them. >> >> I'm always, and will still be, surprised by the number of hard coded >> decimal integers one can find in Python code, when the portable way >> to do it is to use ctypes and figure out whether your literals >> should be big-endian or little-endian, 32-bit or 64-bit, etc. Yet >> people continue to just put decimal literals in their code! It >> can't be portable. > > No, no, no...you want > > from sys.platform.integers import 0, 1, 2, 3, 14, 42 > > to be portable against endian'ness and bit-width. Oh! I didn't know about sys.platform.integers. All this time I've been doing it manually, usually copying and pasting a block of integer definitions from the re module. (I used to copy them from adamant.princess.ida but some of them were buggy. 2+2 made 5, or 3, or 7, or 25, depending on need.) ChrisA