[Python-3000] Should int() and float() accept bytes?

[Guido van Rossum]

Yeah, practicalibty beat purity on that one. I'd say let it beat
purity on int() and float() as well.

On Tue, Apr 15, 2008 at 2:42 AM, Nick Coghlan <ncoghlan at gmail.com> wrote:
> Mark Dickinson wrote:
>  > On the other hand, there's at least some sense in which bytes already
>  > acts as a sort of poor-man's string: witness bytes.lower and friends.
>  > Maybe practicality beats purity here?
>
>   From PEP 358 (describing what is now bytearray):
>
>  """Note the conspicuous absence of .isupper(), .upper(), and friends.
>      (But see "Open Issues" below.)  There is no .__hash__() because
>      the object is mutable."""
>
>  And the open issue:
>
>  """A case could even be made for supporting .islower(), .isupper(),
>        .isspace(), .isalpha(), .isalnum(), .isdigit() and the
>        corresponding conversions (.lower() etc.), using the ASCII
>        definitions for letters, digits and whitespace.  If this is
>        accepted, the cases for .ljust(), .rjust(), .center() and
>        .split() become much stronger, and they should have default
>        arguments as well, using an ASCII space or all ASCII whitespace
>        (for .split())."""
>
>  PEP 3157 resolved that open issue as follows:
>
>  """This is exactly the set of methods present on the str type in Python
>  2.x, with the exclusion of .encode(). The signatures and semantics are
>  the same too. However, whenever character classes like letter,
>  whitespace, lower case are used, the ASCII definitions of these classes
>  are used."""
>
>
>  That seems fairly explicit to me in saying that a bytes or bytearray
>  object should be considered to be ASCII encoded when treated as a string.
>
>  Cheers,
>  Nick.
>
>  --
>  Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
>  ---------------------------------------------------------------
>              http://www.boredomandlaziness.org
>
>
> _______________________________________________
>  Python-3000 mailing list
>  Python-3000 at python.org
>  http://mail.python.org/mailman/listinfo/python-3000
>  Unsubscribe: http://mail.python.org/mailman/options/python-3000/guido%40python.org
>



-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)