zbar解码二维码和条形码示例

#!/usr/bin/env python
# coding: u8
import os
import zbar
import Image
import urllib
import uuid
def qrRead(url):

uuid1 = uuid.uuid1()
filename=str(uuid1)+".jpg"
print uuid1
urllib.urlretrieve(url, filename)

# create a reader
scanner = zbar.ImageScanner()

# configure the reader
scanner.parse_config('enable')

# obtain image data
pil = Image.open(filename).convert('L')
width, height = pil.size
#pil.show()
raw = pil.tostring()

# wrap image data
image = zbar.Image(width, height, 'Y800', raw)

# scan the image for barcodes
scanner.scan(image)

tmpdata=''
# extract results
for symbol in image:
# do something useful with results
print symbol.type, '图片内容为:\n%s' % symbol.data
tmpdata=tmpdata+symbol.data

 
# clean up
del(image)
os.remove(filename)
return tmpdata
if __name__ == '__main__':
url = '//www.jb51.net' 
qrRead(url)