97f82c5a46
Ironicclient parses subcommand by API version. When providing a meaningless (e.g 0.9) API version, the error message like 'No module named v0.shell' is not humanized. This patch provides the error more friendly. Change-Id: I1d5130cde8fd60234523701b97b9d29f27380e93 Closes-Bug: #1654186
447 lines
18 KiB
Python
447 lines
18 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Command-line interface to the OpenStack Bare Metal Provisioning API.
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"""
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from __future__ import print_function
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import argparse
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import getpass
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import logging
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import os
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import pkgutil
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import re
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import sys
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from keystoneauth1.loading import session as kasession
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from oslo_utils import encodeutils
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from oslo_utils import importutils
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import six
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import ironicclient
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from ironicclient.common.apiclient import exceptions
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from ironicclient.common import cliutils
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from ironicclient.common import http
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from ironicclient.common.i18n import _
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from ironicclient.common import utils
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from ironicclient import exc
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LATEST_API_VERSION = ('1', 'latest')
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class IronicShell(object):
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def get_base_parser(self):
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parser = argparse.ArgumentParser(
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prog='ironic',
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description=__doc__.strip(),
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epilog=_('See "ironic help COMMAND" '
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'for help on a specific command.'),
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add_help=False,
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formatter_class=HelpFormatter,
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)
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# Register global Keystone args first so their defaults are respected.
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# See https://bugs.launchpad.net/python-ironicclient/+bug/1463581
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kasession.register_argparse_arguments(parser)
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# Global arguments
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parser.add_argument('-h', '--help',
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action='store_true',
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help=argparse.SUPPRESS,
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)
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parser.add_argument('--version',
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action='version',
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version=ironicclient.__version__)
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parser.add_argument('--debug',
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default=bool(cliutils.env('IRONICCLIENT_DEBUG')),
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action='store_true',
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help=_('Defaults to env[IRONICCLIENT_DEBUG]'))
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parser.add_argument('--json',
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default=False,
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action='store_true',
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help=_('Print JSON response without formatting.'))
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parser.add_argument('-v', '--verbose',
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default=False, action="store_true",
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help=_('Print more verbose output'))
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# for backward compatibility only
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parser.add_argument('--cert-file',
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dest='os_cert',
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help=_('DEPRECATED! Use --os-cert.'))
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# for backward compatibility only
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parser.add_argument('--key-file',
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dest='os_key',
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help=_('DEPRECATED! Use --os-key.'))
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# for backward compatibility only
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parser.add_argument('--ca-file',
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dest='os_cacert',
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help=_('DEPRECATED! Use --os-cacert.'))
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parser.add_argument('--os-username',
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default=cliutils.env('OS_USERNAME'),
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help=_('Defaults to env[OS_USERNAME]'))
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parser.add_argument('--os_username',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-password',
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default=cliutils.env('OS_PASSWORD'),
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help=_('Defaults to env[OS_PASSWORD]'))
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parser.add_argument('--os_password',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-tenant-id',
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default=cliutils.env('OS_TENANT_ID'),
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help=_('Defaults to env[OS_TENANT_ID]'))
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parser.add_argument('--os_tenant_id',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-tenant-name',
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default=cliutils.env('OS_TENANT_NAME'),
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help=_('Defaults to env[OS_TENANT_NAME]'))
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parser.add_argument('--os_tenant_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-auth-url',
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default=cliutils.env('OS_AUTH_URL'),
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help=_('Defaults to env[OS_AUTH_URL]'))
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parser.add_argument('--os_auth_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-region-name',
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default=cliutils.env('OS_REGION_NAME'),
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help=_('Defaults to env[OS_REGION_NAME]'))
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parser.add_argument('--os_region_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-auth-token',
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default=cliutils.env('OS_AUTH_TOKEN'),
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help=_('Defaults to env[OS_AUTH_TOKEN]'))
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parser.add_argument('--os_auth_token',
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help=argparse.SUPPRESS)
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parser.add_argument('--ironic-url',
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default=cliutils.env('IRONIC_URL'),
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help=_('Defaults to env[IRONIC_URL]'))
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parser.add_argument('--ironic_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--ironic-api-version',
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default=cliutils.env(
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'IRONIC_API_VERSION', default='1'),
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help=_('Accepts 1.x (where "x" is microversion) '
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'or "latest", Defaults to '
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'env[IRONIC_API_VERSION] or 1'))
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parser.add_argument('--ironic_api_version',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-service-type',
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default=cliutils.env('OS_SERVICE_TYPE'),
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help=_('Defaults to env[OS_SERVICE_TYPE] or '
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'"baremetal"'))
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parser.add_argument('--os_service_type',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-endpoint',
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dest='ironic_url',
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default=cliutils.env('OS_SERVICE_ENDPOINT'),
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help=_('Specify an endpoint to use instead of '
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'retrieving one from the service catalog '
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'(via authentication). '
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'Defaults to env[OS_SERVICE_ENDPOINT].'))
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parser.add_argument('--os_endpoint',
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dest='ironic_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-endpoint-type',
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default=cliutils.env('OS_ENDPOINT_TYPE'),
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help=_('Defaults to env[OS_ENDPOINT_TYPE] or '
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'"publicURL"'))
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parser.add_argument('--os_endpoint_type',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-user-domain-id',
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default=cliutils.env('OS_USER_DOMAIN_ID'),
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help=_('Defaults to env[OS_USER_DOMAIN_ID].'))
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parser.add_argument('--os-user-domain-name',
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default=cliutils.env('OS_USER_DOMAIN_NAME'),
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help=_('Defaults to env[OS_USER_DOMAIN_NAME].'))
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parser.add_argument('--os-project-id',
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default=cliutils.env('OS_PROJECT_ID'),
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help=_('Another way to specify tenant ID. '
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'This option is mutually exclusive with '
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' --os-tenant-id. '
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'Defaults to env[OS_PROJECT_ID].'))
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parser.add_argument('--os-project-name',
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default=cliutils.env('OS_PROJECT_NAME'),
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help=_('Another way to specify tenant name. '
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'This option is mutually exclusive with '
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' --os-tenant-name. '
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'Defaults to env[OS_PROJECT_NAME].'))
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parser.add_argument('--os-project-domain-id',
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default=cliutils.env('OS_PROJECT_DOMAIN_ID'),
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help=_('Defaults to env[OS_PROJECT_DOMAIN_ID].'))
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parser.add_argument('--os-project-domain-name',
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default=cliutils.env('OS_PROJECT_DOMAIN_NAME'),
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help=_('Defaults to env[OS_PROJECT_DOMAIN_NAME].'))
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msg = _('Maximum number of retries in case of conflict error '
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'(HTTP 409). Defaults to env[IRONIC_MAX_RETRIES] or %d. '
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'Use 0 to disable retrying.') % http.DEFAULT_MAX_RETRIES
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parser.add_argument('--max-retries', type=int, help=msg,
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default=cliutils.env(
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'IRONIC_MAX_RETRIES',
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default=str(http.DEFAULT_MAX_RETRIES)))
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msg = _('Amount of time (in seconds) between retries '
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'in case of conflict error (HTTP 409). '
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'Defaults to env[IRONIC_RETRY_INTERVAL] '
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'or %d.') % http.DEFAULT_RETRY_INTERVAL
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parser.add_argument('--retry-interval', type=int, help=msg,
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default=cliutils.env(
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'IRONIC_RETRY_INTERVAL',
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default=str(http.DEFAULT_RETRY_INTERVAL)))
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return parser
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def get_available_major_versions(self):
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matcher = re.compile(r"^v[0-9]+$")
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submodules = pkgutil.iter_modules([os.path.dirname(__file__)])
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available_versions = [name[1:] for loader, name, ispkg in submodules
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if matcher.search(name)]
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return available_versions
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def get_subcommand_parser(self, version):
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parser = self.get_base_parser()
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self.subcommands = {}
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subparsers = parser.add_subparsers(metavar='<subcommand>',
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dest='subparser_name')
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try:
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submodule = importutils.import_versioned_module('ironicclient',
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version, 'shell')
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except ImportError as e:
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msg = _("Invalid client version '%(version)s'. "
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"Major part must be one of: '%(major)s'") % {
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"version": version,
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"major": ", ".join(self.get_available_major_versions())}
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raise exceptions.UnsupportedVersion(
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_('%(message)s, error was: %(error)s') %
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{'message': msg, 'error': e})
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submodule.enhance_parser(parser, subparsers, self.subcommands)
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utils.define_commands_from_module(subparsers, self, self.subcommands)
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return parser
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def _setup_debugging(self, debug):
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if debug:
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logging.basicConfig(
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format="%(levelname)s (%(module)s:%(lineno)d) %(message)s",
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level=logging.DEBUG)
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else:
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logging.basicConfig(
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format="%(levelname)s %(message)s",
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level=logging.CRITICAL)
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def do_bash_completion(self):
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"""Prints all of the commands and options for bash-completion."""
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commands = set()
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options = set()
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for sc_str, sc in self.subcommands.items():
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commands.add(sc_str)
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for option in sc._optionals._option_string_actions.keys():
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options.add(option)
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commands.remove('bash-completion')
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print(' '.join(commands | options))
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def _check_version(self, api_version):
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if api_version == 'latest':
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return LATEST_API_VERSION
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else:
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try:
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versions = tuple(int(i) for i in api_version.split('.'))
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except ValueError:
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versions = ()
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if len(versions) == 1:
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# Default value of ironic_api_version is '1'.
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# If user not specify the value of api version, not passing
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# headers at all.
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os_ironic_api_version = None
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elif len(versions) == 2:
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os_ironic_api_version = api_version
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# In the case of '1.0'
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if versions[1] == 0:
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os_ironic_api_version = None
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else:
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msg = _("The requested API version %(ver)s is an unexpected "
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"format. Acceptable formats are 'X', 'X.Y', or the "
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"literal string '%(latest)s'."
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) % {'ver': api_version, 'latest': 'latest'}
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raise exc.CommandError(msg)
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api_major_version = versions[0]
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return (api_major_version, os_ironic_api_version)
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def main(self, argv):
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# Parse args once to find version
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parser = self.get_base_parser()
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(options, args) = parser.parse_known_args(argv)
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self._setup_debugging(options.debug)
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# build available subcommands based on version
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(api_major_version, os_ironic_api_version) = (
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self._check_version(options.ironic_api_version))
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subcommand_parser = self.get_subcommand_parser(api_major_version)
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self.parser = subcommand_parser
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# Handle top-level --help/-h before attempting to parse
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# a command off the command line
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if options.help or not argv:
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self.do_help(options)
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return 0
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# Parse args again and call whatever callback was selected
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args = subcommand_parser.parse_args(argv)
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# Short-circuit and deal with these commands right away.
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if args.func == self.do_help:
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self.do_help(args)
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return 0
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elif args.func == self.do_bash_completion:
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self.do_bash_completion()
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return 0
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if not (args.os_auth_token and (args.ironic_url or args.os_auth_url)):
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if not args.os_username:
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raise exc.CommandError(_("You must provide a username via "
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"either --os-username or via "
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"env[OS_USERNAME]"))
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if not args.os_password:
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# No password, If we've got a tty, try prompting for it
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if hasattr(sys.stdin, 'isatty') and sys.stdin.isatty():
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# Check for Ctl-D
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try:
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args.os_password = getpass.getpass(
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'OpenStack Password: ')
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except EOFError:
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pass
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# No password because we didn't have a tty or the
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# user Ctl-D when prompted.
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if not args.os_password:
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raise exc.CommandError(_("You must provide a password via "
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"either --os-password, "
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"env[OS_PASSWORD], "
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"or prompted response"))
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if not (args.os_tenant_id or args.os_tenant_name or
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args.os_project_id or args.os_project_name):
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raise exc.CommandError(
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_("You must provide a project name or"
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" project id via --os-project-name, --os-project-id,"
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" env[OS_PROJECT_ID] or env[OS_PROJECT_NAME]. You may"
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" use os-project and os-tenant interchangeably."))
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if not args.os_auth_url:
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raise exc.CommandError(_("You must provide an auth url via "
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"either --os-auth-url or via "
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"env[OS_AUTH_URL]"))
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if args.max_retries < 0:
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raise exc.CommandError(_("You must provide value >= 0 for "
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"--max-retries"))
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if args.retry_interval < 1:
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raise exc.CommandError(_("You must provide value >= 1 for "
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"--retry-interval"))
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client_args = (
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'os_auth_token', 'ironic_url', 'os_username', 'os_password',
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'os_auth_url', 'os_project_id', 'os_project_name', 'os_tenant_id',
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'os_tenant_name', 'os_region_name', 'os_user_domain_id',
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'os_user_domain_name', 'os_project_domain_id',
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'os_project_domain_name', 'os_service_type', 'os_endpoint_type',
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'os_cacert', 'os_cert', 'os_key', 'max_retries', 'retry_interval',
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'timeout', 'insecure'
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)
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kwargs = {}
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for key in client_args:
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kwargs[key] = getattr(args, key)
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kwargs['os_ironic_api_version'] = os_ironic_api_version
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client = ironicclient.client.get_client(api_major_version, **kwargs)
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try:
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args.func(client, args)
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except exc.Unauthorized:
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raise exc.CommandError(_("Invalid OpenStack Identity credentials"))
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except exc.CommandError as e:
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subcommand_parser = self.subcommands[args.subparser_name]
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subcommand_parser.error(e)
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@cliutils.arg('command', metavar='<subcommand>', nargs='?',
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help=_('Display help for <subcommand>'))
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def do_help(self, args):
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"""Display help about this program or one of its subcommands."""
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if getattr(args, 'command', None):
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if args.command in self.subcommands:
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self.subcommands[args.command].print_help()
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else:
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raise exc.CommandError(_("'%s' is not a valid subcommand") %
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args.command)
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else:
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self.parser.print_help()
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class HelpFormatter(argparse.HelpFormatter):
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def start_section(self, heading):
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super(HelpFormatter, self).start_section(heading.capitalize())
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def main():
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try:
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IronicShell().main(sys.argv[1:])
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except KeyboardInterrupt:
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print(_("... terminating ironic client"), file=sys.stderr)
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return 130
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except Exception as e:
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print(encodeutils.safe_encode(six.text_type(e)), file=sys.stderr)
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return 1
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if __name__ == "__main__":
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sys.exit(main())
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