(original) (raw)

On Feb 24, 2012 6:26 PM, "Mark Lawrence" <breamoreboy@yahoo.co.uk> wrote:
>
> On 24/02/2012 21:37, "Martin v. L�wis" wrote:
>>>
>>> I was of the thought that Old String Formatting |"%s" % foo| was to be
>>> phased out by Advanced String Formatting |"{}.format(foo)|.
>>
>>
>> This is actually not the case, and never was. Some people would indeed
>> like to see that happen, and others are strongly opposed.
>>
>> As a consequence, both APIs for formatting will coexist for a long time
>> to come (ten years at least); no deprecation is planned.
>>
>> Regards,
>> Martin
>
>
> <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. �I suggest a plan that says something like:-
>
> Until Python 3.5 both methods of string formatting will be supported.
> In Python 3.6 the the old formating style will be deprecated.
> In Python 3.7 the old style is dead.
>
> I'm fully aware that it isn't likely to be that easy, I'm simply trying to spark ideas from the core developers and users who are in a far better situation to judge this situation than I am.

-infinity. We can't do that as outlined earlier in the thread.