On Sun, 23 Feb 2014 12:42:59 -0800 Ethan Furman <et...@stoneleaf.us> wrote: > On 02/23/2014 03:33 AM, Antoine Pitrou wrote: > > On Sat, 22 Feb 2014 17:56:50 -0800 > > Ethan Furman <et...@stoneleaf.us> wrote: > >> > >> ``%a`` will call :func:``ascii()`` on the interpolated value's > >> :func:``repr()``. > >> This is intended as a debugging aid, rather than something that should be > >> used > >> in production. Non-ascii values will be encoded to either ``\xnn`` or > >> ``\unnnn`` > >> representation. > > > > Why is "%a" here? I don't remember: was this discussed before? > > "Intended as a debugging aid" sounds like a weak justification to me. > > https://mail.python.org/pipermail/python-dev/2014-January/131808.html > > The idea being if we offer %a, folks won't be tempted to abuse __bytes__.
Which folks are we talking about? This sounds gratuitous. Also, I don't understand what debugging is supposed to be in the context of bytes formatting. You print debugging output to a text stream, not a bytes stream. And you certainly *don't* print debugging output into a wire protocol. Regards Antoine. _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com