Nick Coghlan <ncogh...@gmail.com> added the comment:

It doesn't help that neither PEP 3118 nor the Py_buffer docs mention the "obj" 
member of the Py_buffer struct that refers back to the original object 
providing the buffer - that's fairly fundamental to understanding how 
PyBuffer_Release and PyMemoryView_FromBuffer can work even in theory.

(Given that, an additional _PyManagedBuffer object shouldn't be necessary - 
MemoryView just needs to call ReleaseBuffer and GetBuffer at the appropriate 
times)

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue10181>
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