Implement option in shutdown command

from cccli.exception import *

from sjrpc.core.exceptions import *

from cccli.printer import Printer, color

from cccli.command.command import Command

from cccli.command.command import Command, OptionCommand

class Command_exec(Command):

    '''Execute a command on the remote host'''

    def usage(self):

        return "Usage: exec <tql> <command>"

class Command_shutdown(Command):

class Command_shutdown(OptionCommand):

    '''Shutdown a physical host'''

    def __init__(self, cli, argv0):

        OptionCommand.__init__(self, cli, argv0)

        self.option.set_usage("%prog [options] <tql>")

        self.option.add_option("-r", "--reboot", action="store_true", dest="reboot",

                                help="Reboot after shutdown (default)")

        self.option.add_option("-H", "--halt", action="store_false", dest="reboot",

                                help="Halt after shutdown")

        self.option.add_option("-n", action="store_false", dest="graceful", default=True,

                               help="do not go through init but go down real fast")

    def __call__(self, argv):

        if len(argv) != 2:

        try:

            (options, args) = self.option.parse_args(argv[1:])

        except SystemExit:

            return

        if len(args) != 1:

            raise cmdBadArgument()

        try:

            self.cli.rpc.call("shutdown", argv[1])

            self.cli.rpc.call("shutdown", args[0], options.reboot, options.graceful)

        except RpcError as e:

            raise cmdError("RPCError: %s"%str(e))

    def usage(self):

        return "Usage: shutdown <tql>"