shell.py 文件源码

def get_base_parser(self):
        parser = argparse.ArgumentParser(
            prog='ceilometer',
            description=__doc__.strip(),
            epilog='See "ceilometer help COMMAND" '
                   'for help on a specific command.',
            add_help=False,
            formatter_class=HelpFormatter,
        )

        # Global arguments
        parser.add_argument('-h', '--help',
                            action='store_true',
                            help=argparse.SUPPRESS,
                            )

        parser.add_argument('--version',
                            action='version',
                            version=__init__.__version__)

        parser.add_argument('-d', '--debug',
                            default=bool(utils.env('MONITORINGCLIENT_DEBUG')
                                         ),
                            action='store_true',
                            help='Defaults to env[MONITORINGCLIENT_DEBUG].')

        parser.add_argument('-v', '--verbose',
                            default=False, action="store_true",
                            help="Print more verbose output.")

        parser.add_argument('--timeout',
                            default=600,
                            type=_positive_non_zero_int,
                            help='Number of seconds to wait for a response.')

        parser.add_argument('--ceilometer-url', metavar='<CEILOMETER_URL>',
                            dest='os_endpoint',
                            default=utils.env('CEILOMETER_URL'),
                            help=("DEPRECATED, use --os-endpoint instead. "
                                  "Defaults to env[CEILOMETER_URL]."))

        parser.add_argument('--ceilometer_url',
                            dest='os_endpoint',
                            help=argparse.SUPPRESS)

        parser.add_argument('--ceilometer-api-version',
                            default=utils.env(
                                'CEILOMETER_API_VERSION', default='2'),
                            help='Defaults to env[CEILOMETER_API_VERSION] '
                            'or 2.')

        parser.add_argument('--ceilometer_api_version',
                            help=argparse.SUPPRESS)

        self.auth_plugin.add_opts(parser)
        self.auth_plugin.add_common_opts(parser)

        return parser