[PyQt] Passing numpy arrays into SIP bindings for C++/Qt code

[Phil Thompson]

On 16/09/2015 5:40 am, John Wainwright GMail wrote:
> Hi all.  I’m very happily using PyQt for a large astrophotography
> project and have augmented it with a number of C++/Qt extensions using
> SIP.  I’d like to be able to pass numpy arrays into (and out of) the
> C++ extensions via SIP bindings and wondering if anyone as done this
> before or if there are any suggestions for best approaches.

You should be able to define appropriate %MappedTypes and make sure all 
access to the NumPy objects is done via the buffer protocol.

Phil