[Python-Dev] Status regarding Old vs. Advanced String Formating

[Mark Lawrence]

On 25/02/2012 05:55, Nick Coghlan wrote:
> On Sat, Feb 25, 2012 at 10:23 AM, Mark Lawrence<breamoreboy at yahoo.co.uk>  wrote:
>
>> <quote>
>> Quoting the docs http://docs.python.org/py3k/library/stdtypes.html
>>
>> 4.6.2. Old String Formatting Operations
>>
>> Note
>>
>> The formatting operations described here are obsolete and may go away in
>> future versions of Python. Use the new String Formatting in new code.
>>
>> </quote>
>>
>> I think this is daft because all of the code has to be supported for the ten
>> years that MVL has suggested.
>
> Indeed, that note was written before we decided that getting rid of
> "%" formatting altogether would be a bad idea.
>
> It would be better to update it to say something like:
>
> "The formatting operations described here are modelled on C's printf()
> syntax. They only support formatting of certain builtin types, and the
> use of a binary operator means that care may be needed in order to
> format tuples and dictionaries correctly. As the new string formatting
> syntax is more powerful, flexible, extensible and handles tuples and
> dictionaries naturally, it is recommended for new code. However, there
> are no current plans to deprecate printf-style formatting."
>
> Cheers,
> Nick.
>

That's fine by me, it'll save me changing my own code. I'll put this on 
the issue tracker if you want, but after the pressing needs of the bar 
and 6 Nations rugby :)

-- 
Cheers.

Mark Lawrence.