import functools def log(*text): def decorator(func): @functools.wraps(func) def wrapper(*args, **kw): if text: print('%s %s()' % (text, func.__name__)) else: print('sha ye meiyou') return func(*args, **kw) return wrapper return decorator @log() def f(): print('none') f() # f = log(f) @log('execute') def h(): pass h() # f = log('execute')(now)
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