#-*- coding: utf-8 -*-  
#all decorators in this tool file 
#author: orangleliu 
 
############################################################ 
#http連接有問題時候，自動重連 
def conn_try_again(function): 
  RETRIES = 0 
  #重試的次數(shù) 
  count = {"num": RETRIES} 
  def wrapped(*args, **kwargs): 
    try: 
      return function(*args, **kwargs) 
    except Exception, err: 
      if count['num'] < 2: 
        count['num'] += 1 
        return wrapped(*args, **kwargs)          
      else: 
        raise Exception(err) 
  return wrapped 

@conn_try_again 
def post_query_bandwidth_for_bandwidth(self, contract_no, data_month, product_code): 
  #根據(jù)webluker接口情況獲取計費(fèi)數(shù)據(jù)   
  try: 
    post_data = {'contract':contract_no, 'month': data_month, 'code':product_code} 
    params = urllib.urlencode(post_data) 
    response = urllib2.urlopen(WEBLUKER_BANDWITH_API + "?" +params) 
    billdata = {} 
    billdata = response.read() 
    if not billdata: 
      billdata = {} 
    return billdata 
  except Exception, err: 
    err = u'與webluker接口間通信異常' 
    raise Exception(err)