自定義多日誌文件，自動刪除昨天的日誌

from datetime import datetime, timedelta

import os

PWD = 'a1234567'

FILE_path = os.getcwd() +'/log_jiexheng/'

def log_set(msg, name ='main'):

    now_time = datetime.now()

    yes_date = now_time + timedelta(days=-1)

    str_now = str(now_time).split('.')[0]

    str_yes = str(yes_date).split('.')[0]

    FILE_yes = FILE_path +'%s%s'%(name, str_yes)

    FILE_main = FILE_path +'%s%s'%(name, str_now)

    #print(FILE_yes[:-9],FILE_main[:-9])

    try:

        os.system('mkdir -p %s ;touch %s' % (FILE_path, FILE_main[:-9]))

        #os.system('mkdir -p %s ;rm %s ;touch %s' % (FILE_path, FILE_yes[:-9],FILE_main[:-9]))

    except:

        pass

    f = open('%s' % FILE_main[:-9], 'a+')

    f.write('[' + str(datetime.now()).split('.')[0] + ']' + msg + '\n')

    f.close()