1 from operator import attrgetter
 2 from operator import methodcaller
 3 
 4 
 5 class Valley:
 6     def func(self):
 7         print("测试方法")
 8 
 9 
10 if __name__ == '__main__':
11     v = Valley()
12     # 除了最常规的方式(绑定方法、非绑定方法)调用方法以外
13     # one
14     getattr(v, "func").__call__()
15     # two
16     attrgetter("func")(v).__call__()
17     # three
18     methodcaller("func")(v)