Python implements a method to create multi-level directories based on the current date (year, month, day)

This article mainly introduces the method of creating multi-level directories based on the current date (year, month, day) in Python. It has a certain reference value. Now I share it with you. Friends in need can refer to it

Let’s look at the actual effect first. The current time is 2018.4.26

Use a python script to generate multi-level directories according to the year, month and day. The created directory can store the log files generated by the system. Put it in for easy reference. The code is as follows:

#!/usr/bin/env python
#coding=utf-8
import time
import os
#获得当前系统时间的字符串
localtime=time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
print('localtime='+localtime)
#系统当前时间年份
year=time.strftime('%Y',time.localtime(time.time()))
#月份
month=time.strftime('%m',time.localtime(time.time()))
#日期
day=time.strftime('%d',time.localtime(time.time()))
#具体时间 小时分钟毫秒
mdhms=time.strftime('%m%d%H%M%S',time.localtime(time.time()))
fileYear=os.getcwd()+'/upload_files/'+'/'+year
fileMonth=fileYear+'/'+month
fileDay=fileMonth+'/'+day
if not os.path.exists(fileYear):
  os.mkdir(fileYear)
  os.mkdir(fileMonth)
  os.mkdir(fileDay)
else:
  if not os.path.exists(fileMonth):
    os.mkdir(fileMonth)
    os.mkdir(fileDay)
  else:
    if not os.path.exists(fileDay):
      os.mkdir(fileDay)
#创建一个文件，以‘timeFile_'+具体时间为文件名称
fileDir=fileDay+'/timeFile_'+mdhms+'.txt'
out=open(fileDir,'w')
#在该文件中写入当前系统时间字符串
out.write('localtime='+localtime)
out.close()

Other knowledge points about date and time

import datetime
today = datetime.date.today()

If you want to specify the hour, minute and second, you can do it like this

import datetime
#這就是指定 2008/12/5 23:59:59
today = datetime.datetime(2008, 12, 5, 23, 59, 59)
#datetime 也可以這樣做加減，一次加一秒
x = datetime.timedelta(seconds = 1)
y = datetime.date(2008, 12, 5, 23, 59, 59)
w = x + y
#w = datetime.datetime(2008, 12, 6, 0, 0)
#一次加 23小時 59分 59秒
x = datetime.timedelta(hours = 23, minutes = 59, seconds = 59)
w = w + x
#w = datetime.datetime(2008, 12, 6, 23, 59, 59)

Also, if you want to get today’s year, month, It’s also very simple to say

import datetime
x = datetime.datetime.now() #現在時間
#x = datetime.datetime(2008, 12, 5, 23, 59, 59) #指定時間
x.year #會拿到 2008
x.month #會拿到 12
x.day # 會拿到 5
x.hour  #時
x.minute #分
x.second #秒 59

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