[英]how to use decorator in class method
如何在 class 方法中使用装饰器
import time
def myTimer(func, *args, **kwargs):
def wrapper():
start = time.perf_counter()
func(*args, **kwargs)
elapsed_time = time.perf_counter() - start
print(elapsed_time)
return wrapper
class Example:
def __init__(self):
pass
@myTimer
def data(self):
return [i for i in range(10000)]
e = Example()
e.data()
out_put = TypeError: wrapper() 取 0 位置 arguments 但给出了 1
@khelwood 首先说,但我正在尝试这个编辑
def myTimer(func):
def wrapper(*args, **kwargs):
start = time.perf_counter()
func(*args, **kwargs)
elapsed_time = time.perf_counter() - start
print(elapsed_time)
return wrapper
class Example:
def __init__(self):
pass
@myTimer
def data(self):
return [i for i in range(10000)]
e = Example()
e.data()
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