[Python-Dev] bytes.from_hex()

[M.-A. Lemburg]

Aahz wrote:
> On Sat, Feb 18, 2006, Ron Adam wrote:
>> I like the bytes.recode() idea a lot. +1
>>
>> It seems to me it's a far more useful idea than encoding and decoding by 
>> overloading and could do both and more.  It has a lot of potential to be 
>> an intermediate step for encoding as well as being used for many other 
>> translations to byte data.
>>
>> I think I would prefer that encode and decode be just functions with 
>> well defined names and arguments instead of being methods or arguments 
>> to string and Unicode types.
>>
>> I'm not sure on exactly how this would work. Maybe it would need two 
>> sets of encodings, ie.. decoders, and encoders.  An exception would be
>> given if it wasn't found for the direction one was going in.
> 
> Here's an idea I don't think I've seen before:
> 
> bytes.recode(b, src_encoding, dest_encoding)
> 
> This requires the user to state up-front what the source encoding is.
> One of the big problems that I see with the whole encoding mess is that
> so much of it contains implicit assumptions about the source encoding;
> this gets away from that.

You might want to look at the codecs.py module: it has all these
things and a lot more.

	http://docs.python.org/lib/module-codecs.html
	http://svn.python.org/view/python/trunk/Lib/codecs.py?view=markup

-- 
Marc-Andre Lemburg
eGenix.com

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