backup_was_before_save.py

import os
import sys
import time


### Configuration changes here ###


BACKUP_DIR = "/tmp"

if not AdminConfig.hasChanges():
    print "No files were changed. Exiting."
    sys.exit(0)

dmgr_profile_path = AdminTask.showVariables(["-scope", "Node="+AdminControl.getNode(), "-variableName", "USER_INSTALL_ROOT"])  
if not dmgr_profile_path:
    print "Couldn't find Dmgr profile path. Exiting."
    sys.exit(1)

changed_files = AdminConfig.queryChanges().splitlines()[1:]
changed_files = [os.path.join(dmgr_profile_path, "config", f.strip()) for f in changed_files]
tar_name = os.path.join(BACKUP_DIR, time.strftime("%Y-%m-%d_%H-%M-%S")+".tgz")
os.system("tar czvf "+tar_name+" "+" ".join(changed_files))

AdminConfig.save()