python----->>删除超过固定天数的日志

删除过期的日志

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#!/usr/bin/env python # coding: utf-8   import os import datetime import shutil   # confluence数据备份，因为confluence不能保留7天备份，并且每天全备份，占用空间很大，所以写脚本，保留7天备份文件。 data_directory = "/data/var/atlassian/application-data/confluence/backups/" backup_directory = "/backup/"   # backup file name: backup-2019_02_24.zip today_backup_file = "backup-" + str(datetime.date.today() + datetime.timedelta(days = -1)).replace("-", "_") + ".zip" day_list = []   for i in range(1, 8):     day = str(datetime.date.today() + datetime.timedelta(days = -i)).replace("-", "_")     filename = "backup-" + day + ".zip"     day_list.append(filename)   if os.path.exists(data_directory) and os.path.exists(backup_directory):     # 循环数据目录，将7天的数据文件保留，其他的删除，并将最新的数据备份包，拷贝到其他的盘上           for file in os.listdir(data_directory):         filepath = os.path.join(data_directory, file)         if file == today_backup_file:             shutil.copy(filepath, backup_directory)         elif file not in day_list:             file = os.remove(filepath)