小节中的-idea 2020.2创建web、spring项目的教程图解
@functools.wraps注解)。例如,假设你引入另外一个装饰器,比如9.2小节中的@timethis ,像下面这样: @timethis @logged(logging.DEBUG) def countdown(n): while n > 0: n -= 1你会发现访问函数依旧有效: >>> countdown(10000) DEBUG:__main__:countdown 0.8198461532592773 >>> countdown.set_level(logging.WARNING) >>> countdown.set_message("Counting down to zero") >>> countdown(10000) WARNING:__main__:Counting down to zero countdown 0.8225970268249512 >>>
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