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Sat Apr 14 08:33:05 CEST 2007 · https://mail.python.org/pipermail/python-dev/2007-April/072606.html

Greg Ewing wrote:
> Travis Oliphant wrote:
>
>> It is more convenient to store any slicing information (so a memory 
>> view object could store an arbitrary slice of another object) as 
>> offsets, lengths, and skips which can be used to adjust the memory 
>> buffer returned by base.
>
> What happens if the base object changes its memory
> layout in such a way that the stored offsets, lengths
> and skips are no longer correct for the slice that
> was requested?

When the memory view object gets the buffer info again from the base 
object, it will be able to figure this out and raise an error.

-Travis

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Showing content from https://mail.python.org/pipermail/python-dev/2007-April/072606.html below:

[Python-Dev] PEP 3118: Extended buffer protocol (new version)