__author__ = 'bruce'

class Entry_Exit(object):

? ? ? ? def __init__(self,f):

? ? ? ? ? ? ? self.f = f

? ? ? ? def __call__(self):

? ? ? ? ? ? ? ?print "Enter " ,self.f.__name__

? ? ? ? ? ? ? ?self.f()

? ? ? ? ? ? ? ?print 'Exit' ,self.f.__name__

def Entry_Exit_Func(f):

? ? ? ?def new_func():

? ? ? ? ? ? ?print "Enter_function_decorator ",f.__name__

? ? ? ? ? ? ?f()

? ? ? ? ? ? ?print "Exit_function_decorator" ,f.__name__

? ? ? ?return new_func

@Entry_Exit

@Entry_Exit_Func

def func1():

? ? ? print "inside func1()"

@Entry_Exit

@Entry_Exit_Func

?def func2():

? ? ? ? print "inside func2()"

if __name__ == '__main__':

? ? ? ?func1()

? ? ? ?func2()

Enter? new_func

Enter_function_decorator? func1

inside func1()

Exit_function_decorator func1

Exit new_func

Enter? new_func

Enter_function_decorator? func2

inside func2()

Exit_function_decorator func2

Exit new_func