[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


More information about the Python-Dev mailing list