python2.7跨文件全局变量的方法

#!/usr/bin/env python2.7 
class GlobalVar: 
db_handle = None 
mq_client = None 
def set_db_handle(db): 
GlobalVar.db_handle = db 
def get_db_handle(): 
return GlobalVar.db_handle 
def set_mq_client(mq_cli): 
GlobalVar.mq_client = mq_cli 
def get_mq_client(): 
return GlobalVar.mq_client

import globalvar as GlobalVar 
def set(): 
GlobalVar.set_mq_client(10) 
print "------set mq_client in set.py------mq_client: " + str(GlobalVar.get_mq_client())

#!/usr/bin/env python2.7 
import globalvar as GlobalVar 
def get(): 
print "------get mq_client in get.py------mq_client: " + str(GlobalVar.get_mq_client())

#!/usr/bin/env python2.7 
import set 
import get 
set.set() 
get.get()