On Sat, 4 Dec 2010 02:45:42 +1000 Nick Coghlan <ncogh...@gmail.com> wrote: > On Sat, Dec 4, 2010 at 2:28 AM, Antoine Pitrou <solip...@pitrou.net> wrote: > > On Fri, 03 Dec 2010 10:11:29 -0500 > > "R. David Murray" <rdmur...@bitdance.com> wrote: > >> > > >> > >>> 'abc'.transform('hex') > >> > TypeError: 'str' does not support the buffer interface > >> > >>> b'abc'.transform('rot13') > >> > TypeError: expected an object with the buffer interface > >> > >> I find these 'buffer interface' error messages to be the most confusing > >> error message I get out of Python3 no matter what context they show up > >> in. I have no idea what they are telling me. That issue is more > >> general than transform/untransform, but perhaps it could be fixed > >> for transform/untransform in particular. > > > > I agree. "buffer interface" is a technicality that the Python user > > doesn't do about (unless (s)he also writes C extensions). How about > > "expected a bytes-compatible object"? > > Why not "binary data interface"? That's what they're actually looking for.
I don't think it's more understandable, since it's not a well-known Python concept. (and in this specific case, the transform() method is on str and bytes, not on arbitrary bytes-like objects) > It seems odd for 'rot13' to be throwing that error though. Agreed. Regards Antoine. _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com