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Wed Nov 12 15:31:42 EST 2003 · https://mail.python.org/pipermail/python-dev/2003-November/040209.html

David Eppstein <eppstein at ics.uci.edu> writes:

> Let me be more specific.  Since we have such useful hashing-based 
> dictionary data structures in Python, we don't often need cmp for 
> binary search trees, so the main reason for comparing unicodes (as far 
> as I can tell) is to put them in a logical order for displaying to 
> humans.  cmp(unicode,unicode) does a very bad job of this, whenever 
> there are non-ascii characters involved.  Its existence tricks you into 
> thinking Python has a useful unicode comparison function when it 
> doesn't.

It's useful for sorting, but not for collation. Comparing!=Collating.

That said, locale.strcoll does what you want.

Regards,
Martin

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[Python-Dev] Re: other "magic strings" issues