python备份网站，并删除指定日期文件

#!/usr/bin/python
# Filename: backup_ver1.py
import os
import time
import datetime
# 1. The files and directories to be backed up are specified in a list.
source = ['/software/tengine/html/mtax/sbzs','/software/tengine/html/mtax/static']
# If you are using Windows, use source = [r'C:\Documents', r'D:\Work'] or something like that
# 2. The backup must be stored in a main backup directory
target_dir = '/software/tengine/html/mtax/backup/' # Remember to change this to what you will be using
# 3. The files are backed up into a zip file.
# 4. The name of the zip archive is the current date and time
target = target_dir + time.strftime('%Y%m%d%H%M%S') + '.zip'
# 5. We use the zip command (in Unix/Linux) to put the files in a zip archive
zip_command = "zip -qr '%s' %s" % (target, ' '.join(source))
# Run the backup
if os.system(zip_command) == 0:
print 'Successful backup to', target
else:
print 'Backup FAILED'
def should_remove(path, pattern, days):
if not path.endswith(pattern):
return False

mtime = os.path.getmtime(path)
now = time.time()
result = now - mtime > days * 24 * 3600

print "\n>>>>>>>>>>>>>>\n"
print "file: ", path
print "mtime: ", datetime.datetime.fromtimestamp(mtime)
print "now: ", datetime.datetime.fromtimestamp(now)
print "> %d days: " % days, result

return result

def findNremove(path, pattern, days):
print "path: ", path
print "pattern: ", pattern
print "days: ", days

for r, d, f in os.walk(path):
for files in f:
file_path = os.path.join(r, files)
if should_remove(file_path, pattern, days):
try:
print "Removing %s" % (file_path)
os.remove(file_path)
except Exception, e:
print e
else:
print "removed %s" % (file_path)

if __name__ == '__main__':
path = os.path.join("/software/tengine/html/mtax/backup/")
days = 30
pattern = ".zip"
findNremove(path, pattern, days)