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> That's because the new buffer protocol doesn't define ownership of
> Py_buffer structs. As a result, nothing can be assumed at to which
> piece of code is responsible for allocation and deallocation of
> related memory areas (such as shapes and strides arrays).
I was just chatting to Travis about this; he suggested that the 'internal' field of the Py_buffer struct might be used to record who's responsible for deallocation of shape and stride arrays.