バーコードを一気読みする

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# coding:UTF-8
from pyzbar.pyzbar import decode
from PIL import Image
import cv2
image = "sample2.JPG"
result_img = cv2.imread(image)
records = decode(Image.open(image))
for record in records:
    print(record[0].decode('utf-8', 'ignore'))
    left = int(record[2][0])
    top = int(record[2][1])
    width = int(record[2][2])
    height = int(record[2][3])
    print(left, top, width, height)
    cv2.rectangle(result_img, (left, top), (left+width, top+height), (0, 0, 255))
cv2.imshow('test', result_img)
cv2.waitKey(0)