old_contents: # coding:utf-8
  # !/usr/bin/env python
  import json
  import tornado.httpclient
  import tornado.httpserver
  import tornado.ioloop
  import tornado.iostream
  import tornado.web
  from handler import proxy_handler
  from custom_handler import my_handler
  
  
  def read_conf(path=''):
      global config
      with open(path, 'r') as f:
          content = f.read()
          config = json.loads(content)
  
  
  def run_proxy(port=8888, handler=proxy_handler.ProxyHandler, start_ioloop=True):
      app = tornado.web.Application([
          (r'.*', handler),
      ])
      app.listen(port)
      ioloop = tornado.ioloop.IOLoop.instance()
      if start_ioloop:
          ioloop.start()
  
  
  if __name__ == '__main__':
  
      config = dict()
      read_conf('config.json')
      print ("Start a HTTP proxy on port %d" % config.get('port', 80))
      proxy_handler.ProxyHandler.set_static_args(config['proxy_pass'], config.get('mode', 0), config['auth'],
                                                 config['user'].get('name', ''),
                                                 config['user'].get('passwd', ''), config['white_iplist'],
                                                 my_handler.MyHandler.on_handle_response)
      run_proxy(port=config['port'], handler=proxy_handler.ProxyHandler)
  
new_contents: # coding:utf-8
  # !/usr/bin/env python
  import json
  import tornado.httpclient
  import tornado.httpserver
  import tornado.ioloop
  import tornado.iostream
  import tornado.web
  from handler import proxy_handler
  from custom_handler import my_handler
  
  
  def read_conf(path=''):
      global config
      with open(path, 'r') as f:
          content = f.read()
          config = json.loads(content)
  
  
  def run_proxy(port=8888, handler=proxy_handler.ProxyHandler, start_ioloop=True):
      app = tornado.web.Application([
          (r'.*', handler),
      ])
      app.listen(port)
      ioloop = tornado.ioloop.IOLoop.instance()
      if start_ioloop:
          ioloop.start()
  
  
  if __name__ == '__main__':
      config = dict()
      read_conf('config.json')
      print ("Start a HTTP proxy on port %d" % config.get('port', 80))
      proxy_handler.ProxyHandler.set_static_args(config['proxy_pass'], config.get('mode', 0), config['auth'],
                                                 config['user'].get('name', ''),
                                                 config['user'].get('passwd', ''), config['white_iplist'],
                                                 my_handler.MyHandler.on_handle_response)
      run_proxy(port=config['port'], handler=proxy_handler.ProxyHandler)
  
subject: format codes