model.py 文件源码

def net():
    """Delay loading the net until the last possible moment.

    Loading the net is SLOW and produces a ton of terminal garbage.
    Also we want to wait to load it until we have called some other
    caffe initializations code (caffe.set_mode_gpu(), caffe.set_device(0), etc)

    """
    global __net
    if __net is None:
        __net = caffe.Net(LAYERS, WEIGHTS, caffe.TEST)
    return __net