tornado zbar 二维码识别 ，配合nginx 反向代理，supervisord 监控

#!/usr/bin/env python
# coding: u8
import os
import zbar
import Image
import urllib
import uuid
import requests
import sys
import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web
import requests
import sys
import re
from tornado.options import define, options
define("port", default=9000, help="run on the given port", type=int)
def qrRead(url):
    proxies = {"http": "http://weibh:loveme@134.44.36.120:2012/",}
    uuid1 = uuid.uuid1()
    filename=str(uuid1)+".jpg"
    #print uuid1 
    #urllib.urlretrieve(url, filename)
    r=requests.get(url,proxies=proxies,stream=True)
    with open(filename, ‘wb‘) as f:  
        for chunk in r.iter_content(chunk_size=1024):  
            if chunk: # filter out keep-alive new chunks  
                f.write(chunk)  
                f.flush()  
        f.close() 
    # 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
    
class MainHandler(tornado.web.RequestHandler):
    def get(self):
        #self.write(‘hello‘+sys.argv[1])
        self.set_header("Content-Type", "text/plain")
        #url = ‘http://www.prepolino.ch/sprache/trennen/bilder/test.gif‘ 
        #qrRead(url)
        url=self.get_argument("url")    
        
        self.write(qrRead(url))   
    def post(self):
        self.set_header("Content-Type", "text/plain")
        #url = ‘http://www.prepolino.ch/sprache/trennen/bilder/test.gif‘ 
        #qrRead(url)
        url=self.get_argument("url")    
        
        self.write(qrRead(url))    
    
def main(port):
    tornado.options.parse_command_line()
    application = tornado.web.Application([
        (r"/", MainHandler),
    ])
    http_server = tornado.httpserver.HTTPServer(application)
    http_server.listen(port)
    tornado.ioloop.IOLoop.instance().start()
if __name__ == ‘__main__‘:
    port=int(sys.argv[1])
    main(port)