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import traceback
def fun():
      # 代码栈，其中包含调用该方法的方法名称
      s =  traceback.extract_stack()
      print '%s Invoked me!'%s[-2][2]
      
>>> def a():fun()
>>> def b():fun()
>>> a()
a Invoked me!
>>> b()
b Invoked me!
>>>