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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)