[Python-Dev] Allocation of shape and strides fields in Py_buffer
solipsis at pitrou.net
Tue Dec 9 15:56:42 CET 2008
Antoine Pitrou <solipsis <at> pitrou.net> writes:
> > The first is that memoryview is treating the len field in the
> > Py_buffer struct as the number of objects in the view in a few places
> > instead of as the total number of bytes being exposed (it is actually
> > the latter, as defined in PEP 3118).
> I don't understand the difference between "the number of objects in the
> view" and "the total number of bytes being exposed". For me it should be
> the same and the "buf" and "len" fields in the Py_buffer should be
> usable by any other C function, otherwise they are useless.
Sorry, I had misread your message. Yes, indeed "len" should the number of bytes,
not the number of objects. This is also solved as part of the patch I proposed
in the aforementioned bug entry.
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