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

python a1.py

对目录数据进行归档及删除实例

原文：http://blog.51cto.com/yangzhiming/2135172