[Python-Dev] Why does _pyio.*.readinto have to work with 'b' arrays?

[Nikolaus Rath]

Victor Stinner <victor.stinner at gmail.com> writes:
> Le 15 juin 2014 02:42, "Benjamin Peterson" <benjamin at python.org> a écrit :
>> On Sat, Jun 14, 2014, at 15:39, Nikolaus Rath wrote:
>> > It seems to me that a much cleaner solution would be to simply declare
>> > _pyio's readinto to only work with bytearrays, and to explicitly raise a
>> > (more helpful) TypeError if anything else is passed in.
>>
>> That seems reasonable. I don't think _pyio's behavior is terribly
>> important compared to the C _io module.
>
> Which types are accepted by the readinto() method of the C io module?

Everything implementing the buffer protocol.

> If the C module only accepts bytearray, the array hack must be removed
> from _pyio.

_pyio currently accepts only bytearray and 'b'-type arrays. But it seems
with memoryview.cast() we now have a way to make it behave like the C
module.


Best,
-Nikolaus
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