[Python-Dev] transitioning from % to {} formatting
MRAB
python at mrabarnett.plus.com
Thu Oct 8 17:52:20 CEST 2009
Eric Smith wrote:
> Vinay Sajip wrote:
>> BTW I sent Eric a private mail re. the "0o" versus "0" issue, to see
>> if it was
>> worth raising an enhancement request on the bug tracker using "O" to
>> generate
>> compatible rendering for octals.
>
> I didn't get your message, could you resend?.
>
> I was thinking the same thing, but it seems like a transition step. I'd
> rather not keep such backward compatibility hacks (if you will) around
> for the long haul. How about a flag (maybe '*') at the start of the
> format specification which says "operate in backward compatibility
> mode"? We could document it as being only useful for the % to {}
> translator, and promise to remove it at some point in the future. Either
> actually deprecate it or just promise to deprecate it in the future.
>
I think the flag should be '%'.
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