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#!/usr/bin/env python
from sys import argv
import zbar
from PIL import Image
if len(argv) < 2: exit(1)
# create a reader
scanner = zbar.ImageScanner()
# configure the reader
scanner.parse_config('enable')
# obtain image data
pil = Image.open(argv[1]).convert('L')
width, height = pil.size
raw = pil.tobytes()
# wrap image data
image = zbar.Image(width, height, 'Y800', raw)
# scan the image for barcodes
scanner.scan(image)
# extract results
for symbol in image:
# do something useful with results
print('decoded', symbol.type, 'symbol', '"%s"' % symbol.data)
# clean up
del(image)
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