Martin v. Löwis wrote:
>>> Please don't - not before % is actually deprecated (which I hope won't
>>> happen until Python 4, with removal of % in Python 5, in the year
>>> when I retire, i.e. 2037).
>> Now this is news to me -- was there a discussion that changed the
>> lifetime expectancy of str.__mod__? I'd always supposed it being
>> deprecated at some point in 3.x.
>
> The PEP doesn't specify anything, and I don't recall any discussion,
> either - the specific timing suggested above is merely my own hopes.
While str.format has an awful lot of points in its favour (no tuple/dict
special casing, much cleaner handling of named arguments, access to
format options for non-builtin types), there are some debugging cases
where I suspect the basic version of % formatting will prove to be more
convenient.
At this point in time, my personal preference would be that later in the
3.x series certain aspects of % formatting will be deprecated
(acceptance of non-tuples in favour of the format() builtin, acceptance
of dicts in favour of str.format), but that simple % formatting of a
tuple of values will still be permitted.
Cheers,
Nick.
--
Nick Coghlan | ncoghlan at gmail.com | Brisbane, Australia
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