'''
def foo():
print 'foo'
def foo():
print 'before do something'
print 'foo'
print 'after'
def foo():
print 'foo'
def wrapper(func):
print 'before'
func()
print 'after'
wrapper(foo)
def foo():
print 'foo'
def wrapper(func):
def result():
print 'before'
func()
print 'after'
return result
Do = wrapper(foo)
Do()
'''
def wrapper(func):
def result():
print 'before'
func()
print 'after'
return result
@wrapper
def foo():
print 'foo'
foo()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
#!/usr/bin/env python
#coding:utf-8
def Before(request,kargs):
print 'before'
def After(request,kargs):
print 'after'
def Filter(before_func,after_func):
def outer(main_func):
def wrapper(request,kargs):
before_result = before_func(request,kargs)
if(before_result != None):
return before_result;
main_result = main_func(request,kargs)
if(main_result != None):
return main_result;
after_result = after_func(request,kargs)
if(after_result != None):
return after_result;
return wrapper
return outer
@Filter(Before, After)
def Index(request,kargs):
print 'index'
if __name__ == '__main__':
Index(1,2)
