xdc_git_python_20210511/python_base/day10/多层装饰器.py

# -*- coding: UTF-8 -*-

def outer(flag):
    def wrapper(func):
        def inner(*args,**kwargs):
            if flag:
                print('before')
                result = func(*args,**kwargs)
                print('agter')
            else:
                r = func(*args,**kwargs)

            return result
        return inner
    return wrapper

def do_something(arg):
    def wrapper():
        print('#' * 22)
        arg()
        print('#' * 22)
    return wrapper

def decorator(func):
    def wrapper():
        print('*' * 19)
        func()
        print('*' * 19)
    return wrapper

do_something(decorator)

@do_something  # inner = do_somethinf(decorator(inner))
@decorator
def inner():
    print('xdc')
    print('xdc.ink')
inner()