[Python-Dev] sWAPcASE Was: transform() and untransform() methods, and the codec registry

[Raymond Hettinger]

On Dec 9, 2010, at 12:29 PM, Alexander Belopolsky wrote:
> 
> The str type already has 40+ methods many of which are not well-suited
> to handle the complexities inherent in Unicode.   Rather than rushing
> in two more methods that will prove to be about as useful as
> str.swapcase(), lets consider actual use cases and come up with a
> design that will properly address them.

It would make me happy if we could agree to kill or at least mortally wound
str.swapcase().    I did some research on what it is go for and found
that it is a vestige of an old word processor command to handle
the case where a user accidentally left the caps lock key turned-on.
AFAICT using Google's code search, it has nearly zero value for
Python scripts.   It does have a cost however, the code search turned-up
many cases where people were writing string like objects and included
swapcase() just so they could match the built-in API.

It's time for swapcase() to go the way of the dinosaurs.


Raymond

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