对目录数据进行归档及删除实例

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发布时间：2019-06-28

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对目录数据进行归档及删除实例：

vi a1.py

#!/usr/bin/python

import os

import datetime

import shutil

import sys

reload(sys)

sys.setdefaultencoding('utf-8')

dir="/historybackup2/PRD"

dst="/historybackup2/Daybackup/PRD"

yesterday = datetime.date.today() - datetime.timedelta(days=1)

yesterday2 = datetime.datetime.now() - datetime.timedelta(days=15)

yesterday3 = datetime.datetime.now() - datetime.timedelta(days=45)

os.remove("/historybackup2/shell/logs/PRD.txt")

os.mknod("/historybackup2/shell/logs/PRD.txt")

os.remove("/historybackup2/shell/logs/PRD2.txt")

os.mknod("/historybackup2/shell/logs/PRD2.txt")

os.remove("/historybackup2/shell/logs/PRD_2.txt")

os.mknod("/historybackup2/shell/logs/PRD_2.txt")

os.remove("/historybackup2/shell/logs/PRD2_2.txt")

os.mknod("/historybackup2/shell/logs/PRD2_2.txt")

os.chdir(dst)

os.mkdir(str(yesterday))

os.chdir(dir)

for root,dirs,files in os.walk("."):

for f in files:

mtime = datetime.date.fromtimestamp(os.path.getmtime(os.path.join(root,f)))

if mtime == yesterday:

z = open('/historybackup2/shell/logs/PRD2.txt','a')

z.write(str(mtime)+"\n")

z.close()

p = open('/historybackup2/shell/logs/PRD.txt','a')                 p.write(os.path.join(root,f)+"\n")                 p.close()

size = 0

c = open('/historybackup2/shell/logs/PRDBACKUP.txt','r')

for i in c.readlines():

b = os.path.getsize(i.strip())

size += int(b)

si = (format((float(size) / 1024 / 1024 / 1024),'.1f'))

e = open('/historybackup2/shell/logs/PRD3.txt','w')

e.write(str(si)+'G')

e.close()

x = open('/historybackup2/shell/logs/PRD.txt','r')

for n in x.readlines():

m = os.path.dirname(n.strip()).strip('./')

s = os.path.join(dst,str(yesterday))

if not os.path.exists(os.path.join(s,m)):

os.makedirs(os.path.join(s,m))

shutil.copy2(n.strip(),os.path.join(s,n.strip()))

for f2 in os.listdir(dir):

mtime = datetime.datetime.fromtimestamp(os.path.getmtime(os.path.join(dir,f2)))

if mtime < yesterday2:

z2 = open('/historybackup2/shell/logs/PRD2_2.txt','a')

z2.write(str(mtime)+"\n")

z2.close()

p2 = open('/historybackup2/shell/logs/PRD_2.txt','a')                 p2.write(f2+"\n")                 p2.close()

x2 = open('/historybackup2/shell/logs/PRD_2.txt','r')

for n2 in x2.readlines():

if os.path.isfile(n2.strip()):

os.remove(n2.strip())

if os.path.isdir(n2.strip()):

shutil.rmtree(n2.strip())

os.chdir(dst)

for f3 in os.listdir(dst):

if os.path.isdir(f3):

mtime3 = datetime.datetime.fromtimestamp(os.path.getmtime(os.path.join(dst,f3)))

if mtime3 < yesterday3 and f3 != "2018-01-01" and f3 != "2018-02-01" and f3 != "2018-03-01" and f3 != "2018-04-01" and f3 != "2018-05-01" and f3 != "2018-06-01" and f3 != "2018-07-01" and f3 != "2018-08-01" and f3 != "2018-09-01" and f3 != "2018-10-01" and f3 != "2018-11-01" and f3 != "2018-12-01":

shutil.rmtree(f3)

os.system('/usr/bin/mail -s "host1(10.0.0.2) aa archive yesterday Size at date +%Y-%m-%d" zhi.yang@ming.com < /historybackup2/shell/logs/PRD3.txt')

:wq