def error(self, message):
        self.print_usage(sys.stderr)
        choose_from = ' (choose from'
        progparts = self.prog.partition(' ')
        self.exit(2, "error: %(errmsg)s\nTry '%(mainp)s help %(subp)s'"
                     " for more information.\n" %
                     {'errmsg': message.split(choose_from)[0],
                      'mainp': progparts[0],
                      'subp': progparts[2]})
error(message: string)
dataset/ETHPy150Open kwminnick/rackspace-dns-cli/dnsclient/shell.py/RackDNSClientArgumentParser.error