**kwargs)end_time=time.time()duration=end_time-start_timeprint(f"函数{func.__name__}的持续时间为:{duration}秒")returnresultreturnwrapper@calculate_durationdefmy_function():# 执行一些代码或任务time.sleep(2)my_function() 1. 2.
# Calculate duration end_time = time.time() duration = end_time - start_time print(f"Function took {duration:.4f} seconds") This pattern is useful for performance testing. The start time is captured before execution, and end time after. The difference gives the duration. The:.4fformat sp...
import time import math import functools # decorator to calculate duration # taken by any function. def calculate_time(func): # added arguments inside the inner1, # if function takes any arguments, # can be added like this. @functools.wraps(func) # 支持内省,一般可以不用,多用于文档 def in...
importdatetimedefcalculate_hours(start_time,end_time):duration=end_time-start_time hours=duration.total_seconds()/3600returnhours start_time=datetime.datetime(2022,1,1,12,0,0)end_time=datetime.datetime(2022,1,1,14,30,0)hours=calculate_hours(start_time,end_time)print(hours) 1. 2. 3. 4....
# Calculate time array duration = len(waveform) / sample_rate time = np.linspace(0., duration, len(waveform)) # Plot the waveform plt.figure(figsize=(10, 4)) plt.plot(time, waveform) plt.xlabel('Time (s)') plt.ylabel('Amplitude') ...
此装饰器将在调用calculate_average函数时自动记录日志。 3.2.1.2 性能分析装饰器 这里展示一个计算函数执行时间的装饰器: import time def timing_decorator(original_function): @functools.wraps(original_function) def wrapper(*args, **kwargs): start_time = time.time() ...
1. time 模块 time模块提供了与时间相关的基本功能,包括获取当前时间戳、睡眠指定时间等。 1.1 获取当前时间戳 代码语言:python 代码运行次数:0 运行 AI代码解释 importtime timestamp=time.time()print("当前时间戳:",timestamp) 1.2 睡眠指定时间 代码语言:python ...
= self._calculate_lock_time(attempts)return now - attempts[] < lock_timereturnTruedef_calculate_lock_time(self, attempts: list) -> int:"""计算动态锁定时间""" attack_duration = attempts[-1] - attempts[]# 攻击频率越高，锁定时间越长(最长1小时)returnmin(self.base_lock_time * (len(at...
duration_cast<std::chrono::nanoseconds>(end - begin);avg_time += elapsed.count() *1e-9;printf("Pi is approximately %g and took %.5f seconds to calculate.\n", pi, elapsed.count() *1e-9);}printf("\nEach loop took on average %.5f seconds ...
It’ll measure the time a function takes to execute and then print the duration to the console. Here’s the code: Python decorators.py 1import functools 2import time 3 4# ... 5 6def timer(func): 7 """Print the runtime of the decorated function""" 8 @functools.wraps(func) 9 ...