[Numpy-discussion] Testing the python buffer protocol (bf_getbuffer / tp_as_buffer)

Soeren Sonnenburg sonne at debian.org
Fri Dec 16 19:41:22 EST 2011


Hi,

I've implemented the buffer protocol
(http://www.python.org/dev/peps/pep-3118/) for some matrix class and
when I manually call PyObject_GetBuffer on that object I see that I get
the right matrix.

Now I'd like to see numpy use the buffer protocol of my class. Does
anyone know how to test that? What do I need to write, just

x=MyMatrix([1,2,3])
y=numpy.array(x)

(that doesn't call the buffer function though - so it must be sth else)?

Any ideas?
Soeren
-- 
For the one fact about the future of which we can be certain is that it
will be utterly fantastic. -- Arthur C. Clarke, 1962
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