#!/usr/bin/pythonimport zbarfrom PIL import Imageimport urllibimport cStringIO#图片地址替换成你的qrcode图片地址URL = (‘http://example.qiniudn.com/msgimagepicc4WJ-4iTk8.jpeg‘)# create a readerscanner = zbar.ImageScanner()# configure the readerscanner.parse_config(‘enable‘)# obtain image dataimgfile = cStringIO.StringIO(urllib.urlopen(URL).read())pil = Image.open(imgfile).convert(‘L‘)width, height = pil.sizeraw = pil.tostring()# wrap image dataimage = zbar.Image(width, height, ‘Y800‘, raw)# scan the image for barcodesscanner.scan(image)# extract resultsfor symbol in image:    # do something useful with results    print ‘decoded‘, symbol.type, ‘symbol‘, ‘"%s"‘ % symbol.data# clean updel(image)