[Python-Dev] Reintroduce or drop completly hex, bz2, rot13, ... codecs

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.


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