test.py 文件源码

def main():
    assert len(sys.argv) > 1, "Pass image file as argument."

    I = cv2.imread(sys.argv[-1])
    assert I is not None, "Failed to open image."

    cv2.namedWindow("cat", cv2.WINDOW_NORMAL)
    cv2.imshow("cat", I)
    cv2.waitKey(0)
    J = pyflipping.vertflip(I)
    cv2.imshow("cat", J)
    cv2.waitKey(0)
    cv2.destroyAllWindows()