[Python-Dev] Deprecate codecs.open() and StreamWriter/StreamReader

Walter Dörwald walter at livinglogic.de
Tue May 24 14:01:43 CEST 2011

On 24.05.11 12:58, Victor Stinner wrote:
> Le mardi 24 mai 2011 à 12:42 +0200, Łukasz Langa a écrit :
>> Wiadomość napisana przez Walter Dörwald w dniu 2011-05-24, o godz. 12:16:
>>>> I don't see which usecase is not covered by TextIOWrapper. But I know
>>>> some cases which are not supported by StreamReader/StreamWriter.
>>> This could be be partially fixed by implementing generic
>>> StreamReader/StreamWriter classes that reuse the incremental codecs, but
>>> I don't think thats worth it.
>> Why not?
> We have already an implementation of this idea, it is called
> io.TextIOWrapper.


>From another post by Victor:

> As I wrote, codecs.open() is useful in Python 2. But I don't know any
> program or library using directly StreamReader or StreamWriter.

So: implementing this is a lot of work, duplicates existing
functionality and is mostly unused.


More information about the Python-Dev mailing list