Mark Heslep wrote: > Travis Oliphant wrote: > >> Mark Heslep wrote: >> >>> I don't see a clean way to create a numpy array from a ctypes pointer >>> object. Is the __array_interface_ in ctypes the thing thats missing >>> needed to make this happen? I've followed Albert's Scipy cookbook >>> on ctypes here >>> >>> On the C side the PyArray_SimpleNewFromData( ..dimensions, ...data >>> ptr) C API does the job nicely. Is there a ctypes paradigm for >>> SimpleNew...? >>> >>> >> Can you somehow call this function using ctypes? >> >> -Travis >> > That might work, though indirectly. As I think I understand from ctypes > docs: Ctypes uses functions exposed in a shared library, macros > existing only a header are not available. If its PyArray... is a macro > then I a) need to compile and make a little library directly from > arrayobject.h or b) need to use the root function upon which the macro > is based, PyArrayNew? > > This is more complicated because all the C-API functions are actually just pointers stored in _ARRAY_API of multiarray. So, something would have to be built to interpret the C-pointers in that C-Object. I'm not sure that is possible.
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