print "You must be root to add users"
exit(0)
parser.set_usage("usage: %s %s [options]" % (shell_cmd_name,cmd))
parser.add_option("-t", "--userType", dest="usertype",default=None,
help="only list users of a certain type (teacher,student,parent or other)", metavar="USERTYPE")
(options, args) = parser.parse_args()
if options.usertype:
intxt = options.usertype
options.usertype = userdef.usertype_as_id(options.usertype)
if not options.usertype:
print "User type \"%s\" is not recognized. Following are valid: teacher,student,parent or other" % intxt
options.usertype = None
um = UserManager()
ul = um.list_users(options.usertype)
for k in ul.keys():
print k
if cmd == "listusergroups":
parser.set_usage("usage: %s %s username" % (shell_cmd_name,cmd))
(options, args) = parser.parse_args()
if len(args)<2:
print "Missing username for %s operation" % cmd
exit(0)
username = check_username(args[1])
if not username:
print "The given username is invalid."
exit(0)
