debug.py 文件源码

def print_easy_timer(code_to_benchmark, *, repeat=3, number=1000):
    """
    Repeatedly time code and print results.

    Args:
        code_to_benchmark(str): A string containing the Python code
            that we want to benchmark.

        repeat(int): Number of times to repeat the timer trial.

        number(int): Number of iterations **per** trial.

    Returns:
        (float): The best measured time of ``repeat`` times.

    """
    timer = timeit.Timer(stmt=code_to_benchmark, globals=copy_environment(2))
    best_time = min(timer.repeat(repeat=repeat, number=number))
    print(":\t\t".join((
        code_to_benchmark,
        str(best_time)
    )))
    return best_time