sort order for strings of digits
breamoreboy at yahoo.co.uk
Thu Nov 1 01:30:51 CET 2012
On 31/10/2012 22:24, Ian Kelly wrote:
> On Wed, Oct 31, 2012 at 3:33 PM, Mark Lawrence <breamoreboy at 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.
>> 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.
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