What I'm trying to say here : a numpy array is supposed to have it's shape stored as a tuple. What I want to do is to access this information from my C++ code, in order to do some validity check.
So, by looking around in the doc of boost/python/numeric.hpp I was able to do this : void Layer::set_potentials (numeric::array& array) { for (int h=0; h<map->height; h++){ for (int w=0; w<map->width; w++){ units[w+h*map->width]->potential = extract<float>(array[make_tuple(w,h)]); } } } which is fairly simple and actually works. Now, if I look further, I see there is a method called getshape() in array class, which gives back an object - I guess this object is a tuple, because the documentation is quite poor. So my idea is to get this object and use extract in order to get the actual dimensions as integers. but when I add this : void Layer::set_potentials (numeric::array& array) { object shape = array.getshape(); [...] } It compiles, and then on execution I get this error : AttributeError: 'numpy.ndarray' object has no attribute 'getshape' Does it still have nothing to do with Boost.Python ? -- http://mail.python.org/mailman/listinfo/python-list