[Python-Dev] Allocation of shape and strides fields in Py_buffer
Greg Ewing
greg.ewing at canterbury.ac.nz
Thu Dec 11 00:56:04 CET 2008
Travis Oliphant wrote:
> When a slice view is made, a new memoryview object is created with a
> Py_buffer structure that needs to allocate it's own shape and strides
> (or something that will allow correct shape and strides to be reported
> to any consumer). In this way, there are two Py_buffer structures.
To be precise, the important thing is for the memoryview to allocate
its own shape and strides. It's not strictly necessary to keep them
internally in a Py_buffer struct, although that may be a convenient
way to do it.
--
Greg
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