#!/usr/bin/python3 import timeimport loggingfrom random import randint  def run_time(timeout):  """  定義檢查函數運行時間，并打印對應函數運行時間超出設定時間日志，并支持更改timeout  """   # python2  # timeout = [timeout]     # 真正包裹函數  def out_wrapper(func):    def wrapper(*args, **kwargs):             start_time = time.time()      result = func(*args, **kwargs)      used_time = time.time() - start_time             # 對于超出timeout的函數進行日志打印      if used_time > timeout:        msg = '%s: %s > %s' % (func.__name__, used_time, timeout)        logging.warn(msg)             # python2      # if used_time > timeout[0]:      #   msg = '%s: %s > %s' % (func.__name__, used_time, timeout[0])      #   logging.warn(msg)      # return result         # 設置timeout參數值    def set_timeout(value):      nonlocal timeout      timeout = value    wrapper.set_timeout = set_timeout         # python2    # def set_timeout(value):    #   timeout[0] = value    # wrapper.set_timeout = set_timeout         return wrapper  return out_wrapper  @run_time(1.5)def func():  # 隨機有50%的幾率程序沉睡1秒  while randint(0, 1):    time.sleep(1)  print('func_run') if __name__ == "__main__":  for _ in range(10):    func()       print('_'*50)     # 更改run_time裝飾器中timeout參數  func.set_timeout(2)  for _ in range(10):    func()