Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #44011

Re: There must be a better way

Path csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path <cjw@ncf.ca>
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; 'received:134': 0.05; 'cc:addr:python-list': 0.11; 'python': 0.11; 'def': 0.12; '2.7': 0.14; 'instead:': 0.16; 'main():': 0.16; 'subject:There': 0.16; 'to:addr:web.de': 0.16; 'used:': 0.16; 'wrote:': 0.18; 'slightly': 0.19; 'cc:addr:python.org': 0.22; 'header:User-Agent:1': 0.23; 'williams': 0.24; 'cc:2**0': 0.24; 'cc:no real name:2**0': 0.24; "i've": 0.25; 'header:In-Reply- To:1': 0.27; 'function': 0.29; 'chris': 0.29; 'am,': 0.29; 'statement': 0.30; 'code': 0.31; 'dropped': 0.31; 'end,': 0.31; 'url:python': 0.33; 'but': 0.35; 'acceptable': 0.36; 'url:org': 0.36; 'url:library': 0.38; 'mentioned': 0.61; 'skip:n 10': 0.64; 'otten': 0.84
Date Sun, 21 Apr 2013 11:30:53 -0400
From "Colin J. Williams" <cjw@ncf.ca>
User-Agent Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130328 Thunderbird/17.0.5
MIME-Version 1.0
Newsgroups comp.lang.python
To Peter Otten <__peter__@web.de>
Subject Re: There must be a better way
References <kkv9bt$9bm$1@theodyn.ncf.ca> <51732d81$0$29977$c3e8da3$5496439d@news.astraweb.com> <20130420193422.25255e98@bigbox.christie.dr> <mailman.869.1366506610.3114.python-list@python.org> <kl0opb$pcr$1@theodyn.ncf.ca> <mailman.878.1366551835.3114.python-list@python.org>
In-Reply-To <mailman.878.1366551835.3114.python-list@python.org>
Content-Type text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding 7bit
X-NCF-Filtered By ProxSMTP on pallando Sun Apr 21 11:30:26 2013 -0400 (EDT)
X-AV-Checked ClamAV using ClamSMTP
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 <python-list.python.org>
List-Unsubscribe <http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive <http://mail.python.org/pipermail/python-list/>
List-Post <mailto:python-list@python.org>
List-Help <mailto:python-list-request@python.org?subject=help>
List-Subscribe <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Message-ID <mailman.883.1366558805.3114.python-list@python.org> (permalink)
Lines 35
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1366558805 news.xs4all.nl 2264 [2001:888:2000:d::a6]:33786
X-Complaints-To abuse@xs4all.nl
Xref csiph.com comp.lang.python:44011

Show key headers only | View raw


On 21/04/2013 9:43 AM, Peter Otten wrote:
> Colin J. Williams wrote:
>
>> I was seeking some code that would be acceptable to both Python 2.7 and
>> 3.3.
>>
>> In the end, I used:
>>
>> inData= csv.reader(inFile)
>>
>> def main():
>>       if ver == '2':
>>           headerLine= inData.next()
>>       else:
>>           headerLine= inData.__next__()
>>       ...
>
> I think it was mentioned before, but to be explicit:
>
> def main():
>      headerLine = next(inData)
>      ...
>
> works in Python 2.6, 2.7, and 3.x.
>

Yes, the penny dropped eventually.  I've used your statement

The Chris suggestion was slightly different:

Use the built-in next() function
(http://docs.python.org/2/library/functions.html#next ) instead:
     headerLine = next(iter(inData))

Colin W.

Back to comp.lang.python | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

There must be a better way "Colin J. Williams" <cjw@ncf.ca> - 2013-04-20 19:46 -0400
  Re: There must be a better way Chris Rebert <clp2@rebertia.com> - 2013-04-20 16:57 -0700
  Re: There must be a better way Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-04-21 00:06 +0000
    Re: There must be a better way Tim Chase <python.list@tim.thechases.com> - 2013-04-20 19:34 -0500
    Re: There must be a better way Terry Jan Reedy <tjreedy@udel.edu> - 2013-04-20 21:07 -0400
      Re: There must be a better way "Colin J. Williams" <cjw@ncf.ca> - 2013-04-21 09:15 -0400
        Re: There must be a better way Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2013-04-21 16:39 +0300
          Re: There must be a better way "Colin J. Williams" <cjw@ncf.ca> - 2013-04-21 11:17 -0400
        Re: There must be a better way Peter Otten <__peter__@web.de> - 2013-04-21 15:43 +0200
          Re: There must be a better way "Colin J. Williams" <cjw@ncf.ca> - 2013-04-21 11:30 -0400
          Re: There must be a better way "Colin J. Williams" <cjw@ncf.ca> - 2013-04-21 11:30 -0400
        Re: There must be a better way Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-04-22 15:32 +0100
        Re: There must be a better way Neil Cerutti <neilc@norwich.edu> - 2013-04-22 14:42 +0000
          Re: There must be a better way "Colin J. Williams" <cjw@ncf.ca> - 2013-04-22 13:44 -0400
            Re: There must be a better way Neil Cerutti <neilc@norwich.edu> - 2013-04-23 13:36 +0000
              Re: There must be a better way Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-04-23 15:15 +0100
              Re: There must be a better way Tim Chase <python.list@tim.thechases.com> - 2013-04-23 09:30 -0500
              Re: There must be a better way Skip Montanaro <skip@pobox.com> - 2013-04-23 09:36 -0500
              Re: There must be a better way (correction) Tim Chase <python.list@tim.thechases.com> - 2013-04-23 10:02 -0500

csiph-web