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Thu May 11 18:06:31 CEST 2006 · https://mail.python.org/pipermail/python-dev/2006-May/064973.html

Guido van Rossum wrote:
> On 5/11/06, Vladimir 'Yu' Stepanov <vys at renet.ru> wrote:
>> If for Python-3000 similar it will be shown concerning types
>> str(), int(), complex() and so on, and the type of exceptions
>> will strongly vary, it will make problematic redefinition of
>> behavior of function of sorting.
> 
> Not really. We'll just document that sort() should only be used on a
> list of objects that implement a total ordering. [...]

It might be useful in some cases to have a keyword argument to 
sort/sorted that says to ignore exceptions arising from comparing 
elements, and leaves the ordering of non-comparable values undefined.

-Edward

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[Python-Dev] total ordering.