TrainData.py 文件源码

def __createArr(self,shapeinfo):
        import ctypes
        import multiprocessing
        fulldim=1
        for d in shapeinfo:
            fulldim*=d 
        if fulldim < 0: #catch some weird things that happen when there is a file IO error
            fulldim=0 
        # reserve memory for array
        shared_array_base = multiprocessing.RawArray(ctypes.c_float, int(fulldim))
        shared_array = numpy.ctypeslib.as_array(shared_array_base)#.get_obj())
        #print('giving shape',shapeinfo)
        shared_array = shared_array.reshape(shapeinfo)
        #print('gave shape',shapeinfo)
        return shared_array