python计算方法耗时装饰器

 

import pandas as pd

def calcMethodsTimes(func):
    def inner(*args, **kwargs):
        start = pd.datetime.now()
        res = func(*args, **kwargs)
        end = pd.datetime.now()
        print("methods: %s ,运行共计耗时: %s s"%(func.__name__,  end - start))
        return res
    return inner



@calcMethodsTimes
def fun():
    return