我尽量控制功能的评估与装饰的帮助。 所以我创建的MyClass
一个实例,然后评估条件的功能mode
财产诉讼。的Python处理器检查条件
class MyClass:
def __init__(self):
self.mode = None
def mode_handler(self, mode):
def wrap(func):
def inner(*args, **kwargs):
if mode == self.mode:
return func(*args, **kwargs)
else:
pass
return inner
return wrap
a = MyClass()
@a.mode_handler(mode='repeat')
def print_args(*args):
print(args)
@a.mode_handler(mode='nuff_saif')
def nuff_said():
print('NUFF SAID')
# 1
a.mode = 'nuff_said'
print_args(1, 2, 3)
nuff_said()
# 2
a.mode = 'repeat'
print_args(4, 5, 6)
nuff_said()
# 3
a.mode = 'something_else'
print_args(7, 8, 9)
nuff_said()
我有望获得
NUFF SAID
(4, 5, 6)
如块mode=='nuff_said'
和块2 mode=='repeat'
。
我
(4, 5, 6)
代替。我应该如何提高我的代码?
有趣的使用装饰 – Har