import datetime, glob, os, shutil, time BACKUP_INTERVAL = 60*60 # 1 hour BACKUP_COUNT = 5 class Module(object): def __init__(self, bot, events, exports): self.bot = bot now = datetime.datetime.now() until_next_hour = 60-now.second until_next_hour += ((60-(now.minute+1))*60) events.on("timer.database-backup").hook(self.backup) bot.add_timer("database-backup", BACKUP_INTERVAL, persist=False, next_due=time.time()+until_next_hour) def backup(self, event): files = glob.glob("%s.*" % self.bot.args.database) files = sorted(files) if len(files) == 5: os.remove(files[0]) suffix = datetime.datetime.now().strftime("%y-%m-%d.%H:%M:%S") backup_file = "%s.%s" % (self.bot.args.database, suffix) shutil.copy2(self.bot.args.database, backup_file) event["timer"].redo()