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

Another idea we may want to revisit is the PyManagedBuffer concept, which would 
be a true PyObject that existed solely to simplify sharing of Py_buffer structs.

If memoryview used such an object internally, then copying and slicing would be 
quite simple - just INCREF the managed buffer instance without letting the 
original source object know anything was going on.

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