[Python-3000] Using memoryviews

[M.-A. Lemburg]

I've had a look at the new memoryview and associated buffer API
and have a question: how is a C extension supposed to use the buffer
API without going directly into the C struct Py_buffer ?

I have not found any macros for accessing Py_buffer internals and
the docs mention the struct members directly (which is a bit unusual
for the Python C API).

Shouldn't there be a set of macros providing some form of abstraction
for the struct members ?

BTW: I was looking for a suitable replacement for the buffer object
which isn't available in Python 3 anymore.

Thanks,
-- 
Marc-Andre Lemburg
eGenix.com

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