[Python-Dev] PEP 461: Adding % formatting to bytes and bytearray -- Final, Take 3 (original) (raw)
Ethan Furman ethan at stoneleaf.us
Thu Mar 27 20:11:03 CET 2014
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On 03/27/2014 11:59 AM, Guido van Rossum wrote:
PS. I am not trying to be difficult. I honestly don't understand the use case yet, and the PEP doesn't do much to support it.
How's this?
Compatibility with Python 2
As noted above, %s is being included solely to help ease migration from,
and/or have a single code base with, Python 2. This is important as there
are modules both in the wild and behind closed doors that currently use the
Python 2 str type as a bytes container, and hence are using %s
as a bytes interpolator.
However, %b should be used in new, Python 3 only code, so %s will
immediately be deprecated, but not removed until the next major Python
release.
--
Ethan
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