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Re: sort order for strings of digits

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On 31/10/2012 22:24, Ian Kelly wrote:
> On Wed, Oct 31, 2012 at 3:33 PM, Mark Lawrence <breamoreboy@yahoo.co.uk>wrote:
>
>> Nope.  I'm busy porting my own code from 2.7 to 3.3 and cmp seems to be
>> very dead.
>>
>> This doesn't help either.
>>
>> c:\Users\Mark\Cash\Python>**2to3.py
>>
>> Traceback (most recent call last):
>>    File "C:\Python33\Tools\Scripts\**2to3.py", line 3, in <module>
>>      from lib2to3.main import main
>> ImportError: No module named main
>>
>
> Perhaps you have a sys.path conflict?

Correct, now fixed, thanks.

>
> Use functools.cmp_to_key for porting cmp functions.  "sort(x, my_cmp)"
> becomes "sort(x, key=cmp_to_key(my_cmp))"
>
> The cmp builtin is also gone.  If you need it, the suggested replacement
> for "cmp(a, b)" is "(b < a) - (a < b)".

As it's my own small code base I've blown away all references to cmp, 
it's rich comparisons all the way.

>
> Cheers,
> Ian
>

-- 
Cheers.

Mark Lawrence.

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Thread

sort order for strings of digits djc <djc@kangoo.invalid> - 2012-10-31 15:17 +0000
  Re: sort order for strings of digits Hans Mulder <hansmu@xs4all.nl> - 2012-10-31 16:31 +0100
  Re: sort order for strings of digits Ian Kelly <ian.g.kelly@gmail.com> - 2012-10-31 09:44 -0600
  Re: sort order for strings of digits Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-10-31 14:17 -0400
  Re: sort order for strings of digits Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-31 21:33 +0000
  Re: sort order for strings of digits Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-10-31 19:05 -0400
    Re: sort order for strings of digits Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-31 23:44 +0000
      Re: sort order for strings of digits Chris Angelico <rosuav@gmail.com> - 2012-11-01 11:53 +1100
        Re: sort order for strings of digits Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-11-02 00:27 +0000
  Re: sort order for strings of digits Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-31 23:09 +0000
    Re: sort order for strings of digits DJC <djc@news.invalid> - 2012-10-31 23:45 +0000
    Re: sort order for strings of digits Arnaud Delobelle <arnodel@gmail.com> - 2012-11-01 00:59 +0000
  Re: sort order for strings of digits Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-11-01 00:30 +0000
  Re: sort order for strings of digits wxjmfauth@gmail.com - 2012-11-01 01:52 -0700

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