Re: There must be a better way

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From	"Colin J. Williams" <cjw@ncf.ca>
Newsgroups	comp.lang.python
Subject	Re: There must be a better way
Date	Sun, 21 Apr 2013 11:30:53 -0400
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To	Peter Otten <__peter__@web.de>
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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.

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

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