Author nikratio
Recipients nikratio, pitrou, serhiy.storchaka, vstinner
Date 2014-03-26.15:17:27
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Message-id <5332EF7F.5060900@rath.org>
In-reply-to <1395830594.98.0.638444524541.issue21057@psf.upfronthosting.co.za>
Content
On 03/26/2014 03:43 AM, STINNER Victor wrote:
>> class MyByteStream(BytesIO):
>>    def read1(self, len_):
>>        return memoryview(super().read(len_))
>> bs = MyByteStream(b'some data in ascii\n')
> 
> I guess that you are trying to implement a zero-copy I/O. The problem is that BytesIO does copy data. 

Right on the first count, but wrong on the second. The class I'm
concerned with wants to do zero-copy I/O, but is not related to BytesIO.
I only picked that to produce a minimal example.
History
Date User Action Args
2014-03-26 15:17:27nikratiosetrecipients: + nikratio, pitrou, vstinner, serhiy.storchaka
2014-03-26 15:17:27nikratiolinkissue21057 messages
2014-03-26 15:17:27nikratiocreate