Re: how to get bytes from bytearray without copying

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Date	Mon, 3 Mar 2014 12:47:58 +1100
From	Cameron Simpson <cs@zip.com.au>
To	Python <python-list@python.org>
Subject	Re: how to get bytes from bytearray without copying
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On 02Mar2014 17:55, Ian Kelly <ian.g.kelly@gmail.com> wrote:
> On Sun, Mar 2, 2014 at 5:44 PM, Cameron Simpson <cs@zip.com.au> wrote:
> > Have you considered subclassing memoryview and giving the subclass
> > a __hash__ method?
> 
> >>> class MyMemoryView(memoryview):
> ...     def __hash__(self): return 42
> ...
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> TypeError: type 'memoryview' is not an acceptable base type

Ah. The slices were going to be an issue too, anyway.

He could write a wrapper class with a __hash__ method, whose slices
themselves are also the wrapper class.

It raises the implementation bar only slightly.

Cheers,
-- 
Cameron Simpson <cs@zip.com.au>

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Re: how to get bytes from bytearray without copying Cameron Simpson <cs@zip.com.au> - 2014-03-03 12:47 +1100

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