David Eppstein <eppstein at ics.uci.edu> writes:
>> ...and we're back to wishing for a way to pass a nonlambda-callable. E.g.
>> a string-related example would be "order the strings in list lotsastrings
>> (which may be all plain strings, or all unicode strings, on different calls
>> of this overall function) in case-insensitive-alphabetical order". In 2.4
>> _with_ the string module that's a snap:
>>
>> lotsastrings.sort(key=string.upper)
>
> Is that really alphabetical? It seems like it orders them based on the
> ordinal value of the characters, which doesn't work so well for unicodes.
> The last time I needed this I couldn't figure out how to get a
> reasonable case-insensitive-alphabetical order in pure python, so I used
> PyObjC's NSString.localizedCaseInsensitiveCompare_ instead; a pure
> Python solution that works as well as that one would be welcome.
The locale module has some things in this direction -- strxfrm and
strcoll, maybe? -- but I don't know what they do with unicode & doubt
they even exist on OS X.
Cheers,
mwh
--
Do I do everything in C++ and teach a course in advanced swearing?
-- David Beazley at IPC8, on choosing a language for teaching
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