python删除x天内无人访问的文件

import os
import time

def is_old_file(file_path, days):
    # 获取文件的访问时间
    atime = os.path.getatime(file_path)
    # 计算文件距离当前时间的天数差
    days_diff = (time.time() - atime) / (24 * 3600)
    
    # 判断文件是否满足条件
    if days_diff >= days:
        return True
    else:
        return False

def delete_old_files(directory, days):
    for root, dirs, files in os.walk(directory):
        for file in files:
            file_path = os.path.join(root, file)
            if is_old_file(file_path, days):
                # 删除文件
                os.remove(file_path)

directory = "/path/to/directory"
days = 7

delete_old_files(directory, days)