[Python-Dev] Byte literals (was Re: [Python-checkins] Changing string constants to byte arrays ( r55119 - in python/branches/py3k-struni/Lib: codecs.py test/test_codecs.py ))

Aahz aahz at pythoncraft.com
Sat May 5 17:00:35 CEST 2007

On Fri, May 04, 2007, Guido van Rossum wrote:
> [-python-dev]
> On 5/4/07, Fred L. Drake, Jr. <fdrake at acm.org> wrote:
>> On Friday 04 May 2007, M.-A. Lemburg wrote:
>>> I also suggest making all bytes literals immutable to avoid running
>>> into any issues like the above.
>> +1 from me.
> Rather than adding immutability to bytes objects (which has big
> implementation and type checking implications), consider using
> buffer(b"123") as an immutable bytes literal. You can freely
> concatenate and compare buffer objects with bytes objects.

I'm with MAL and Fred on making literals immutable -- that's safe and
lots of newbies will need to use byte literals early in their Python
experience if they pick up Python to operate on network data.
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

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