文件备份脚本

要求安装：

1.Python：http://www.python.org/download/

2.7z：http://www.7-zip.org/

backup.py

# Filename: backup.py



'''Backup files.

    Version: V2, based on Python 3.3

    Usage: backup.py -s:"dir1|dir2|..." -t:"target_dir" [-c:"comment"]

        -s: The source directories.

        -t: The target directory.

        -c: Optional, any comment.

    Examples: 

        backup.py -s:"c:\\src\\F1|c:\\src\\F2|c:\\src\\F 3" -t:"c:\\backup"

        backup.py -s:"c:\\src\\F 3" -t:"c:\\backup" -c:"For sample"'''



import os

import sys

import time



# Read sys.argv

print(sys.argv)

if len(sys.argv) < 2:

    print(__doc__)

    sys.exit()



source=[]

target_dir=''

comment=''

for arg in sys.argv:

    if arg.startswith('-s:'):

        source=arg[3:].split('|')

        print(source)

    elif arg.startswith('-t:'):

        target_dir=arg[3:]+os.sep

        print(target_dir)

    elif arg.startswith('-c:'):

        comment=arg[3:]

        print(comment)



for i in range(0, len(source)):

    source[i] = "\"" + source[i] + "\""

    print(source[i])



# Make the file name with the time and comment

today=target_dir+time.strftime('%Y%m%d')

now=time.strftime('%H%M%S')



if len(comment)==0: # check if a comment was entered

    target=today+os.sep+now+'.7z'

else:

    target=today+os.sep+now+'_'+\

            comment.replace(' ','_')+'.7z'



# Create the subdirectory by day

if not os.path.exists(today):

    os.mkdir(today) # make directory

    print('Successfully created directory',today)



# zip command

zip_command="7z a %s %s" %(target,' '.join(source))

print(zip_command)



# Run the backup

if os.system(zip_command)==0:

    print('Successful backup to',target)

else:

    print('Backup FAILED')