[Python-3000] PEP 3138- String representation in Python 3000 (original) (raw)

M.-A. Lemburg mal at egenix.com
Wed May 14 18:23:20 CEST 2008

On 2008-05-09 18:06, Guido van Rossum wrote:

On Fri, May 9, 2008 at 3:54 AM, M.-A. Lemburg <mal at egenix.com> wrote:

On 2008-05-08 22:55, Terry Reedy wrote:

Functions that map unicode->unicode or bytes->bytes could be called transcoders. Each type could be given a .transcode method to go along with but contrast with .encode or .decode. Are you suggesting to have two separate methods which then allow same-type-conversions ? One for encoding to the same type and one for decoding ?

Fine with me. They do have to map naturally to the codec method encode and decode, though, so a single method won't do, unless maybe you add a parameter to define the direction of the coding process. In summary, I'd just like to see the following happen: * revert the type restrictions on the PyCodec* API * enforce the restrictions on the .encode() and .decode() methods of PyUnicode and PyString objects (str and bytes) * add a way to PyUnicode and PyString objects (str and bytes) to allow same type encoding and decoding +1

Fine, so we need new methods for PyUnicode and PyString objects which allow encoding and decoding using the same type (and enforce the return types).

Any suggestions ?

How about these:

str.str_encode() -> str str.str_decode() -> str

bytes.bytes_encode() -> bytes bytes.bytes_decode() -> bytes

Thanks,

Marc-Andre Lemburg eGenix.com

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