import cv2 import fire from imwatermark import WatermarkDecoder def testit(img_path): bgr = cv2.imread(img_path) decoder = WatermarkDecoder('bytes', 136) watermark = decoder.decode(bgr, 'dwtDct') try: dec = watermark.decode('utf-8') except: dec = "null" print(dec) if __name__ == "__main__": fire.Fire(testit)