[Python-Dev] Reintroduce or drop completly hex, bz2, rot13, ... codecs (original) (raw)

Michael Foord fuzzyman at voidspace.org.uk
Wed Jun 9 13:38:45 CEST 2010

On 09/06/2010 12:35, Antoine Pitrou wrote:

On Wed, 09 Jun 2010 10:41:29 +0200 "M.-A. Lemburg"<mal at egenix.com> wrote:

The above example will read:

>>> b'abc'.transform("hex") b'616263' >>> b'616263'.untranform("hex") b'abc' This doesn't look right to me. Hex-encoded "data" is really text (it's a textual representation of binary, and isn't often used as an opaque binary transport encoding). Of course, this is not necessarily so for all codecs. For base64-encoded data, for example, it is debatable whether you want it as ASCII bytes or unicode text.

But in both cases you probably want bytes -> bytes and str -> str. If you want text out then put text in, if you want bytes out then put bytes in.

Michael

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