bad6819485
Closes-Bug: #1555228 Change-Id: Ib4b5f9fd6f2bb23044df64b5499711f3706c30de
466 lines
19 KiB
Python
466 lines
19 KiB
Python
# (C) Copyright 2014-2015 Hewlett Packard Enterprise Development Company LP
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Command-line interface to the monasca-client 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 logging
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import string
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import sys
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import monascaclient
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from monascaclient import client as monasca_client
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from monascaclient.common import utils
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from monascaclient import exc
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from monascaclient import ksclient
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logger = logging.getLogger(__name__)
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class MonascaShell(object):
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def get_base_parser(self):
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parser = argparse.ArgumentParser(
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prog='monasca',
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description=__doc__.strip(),
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epilog='See "monasca 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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formatter_class=lambda prog: argparse.HelpFormatter(
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prog,
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max_help_position=29)
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)
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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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parser.add_argument('-j', '--json',
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action='store_true',
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help='output raw json response')
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parser.add_argument('--version',
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action='version',
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version=monascaclient.__version__,
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help="Shows the client version and exits.")
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parser.add_argument('-d', '--debug',
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default=bool(utils.env('MONASCA_DEBUG')),
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action='store_true',
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help='Defaults to env[MONASCA_DEBUG].')
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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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parser.add_argument('-k', '--insecure',
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default=False,
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action='store_true',
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help="Explicitly allow the client to perform "
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"\"insecure\" SSL (https) requests. The server's "
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"certificate will not be verified against any "
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"certificate authorities. "
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"This option should be used with caution.")
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parser.add_argument('--cert-file',
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help='Path of certificate file to use in SSL '
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'connection. This file can optionally be '
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'prepended with the private key.')
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parser.add_argument(
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'--key-file',
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help='Path of client key to use in SSL connection. '
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'This option is not necessary if your key is'
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' prepended to your cert file.')
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parser.add_argument('--os-cacert',
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default=utils.env('OS_CACERT'),
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help='Specify a CA bundle file to use in verifying'
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' a TLS (https) server certificate. Defaults to'
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' env[OS_CACERT]. Without either of these, the'
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' client looks for the default system CA'
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' certificates.')
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parser.add_argument('--keystone_timeout',
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default=20,
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help='Number of seconds to wait for a response from keystone.')
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parser.add_argument('--os-username',
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default=utils.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=utils.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-user-domain-id',
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default=utils.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=utils.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=utils.env('OS_PROJECT_ID'),
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help='Defaults to env[OS_PROJECT_ID].')
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parser.add_argument('--os_project_id',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-project-name',
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default=utils.env('OS_PROJECT_NAME'),
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help='Defaults to env[OS_PROJECT_NAME].')
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parser.add_argument('--os_project_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-project-domain-id',
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default=utils.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=utils.env('OS_PROJECT_DOMAIN_NAME'),
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help='Defaults to env[OS_PROJECT_DOMAIN_NAME].')
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parser.add_argument('--os-auth-url',
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default=utils.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=utils.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=utils.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('--os-no-client-auth',
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default=utils.env('OS_NO_CLIENT_AUTH'),
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action='store_true',
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help="Do not contact keystone for a token. "
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"Defaults to env[OS_NO_CLIENT_AUTH].")
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parser.add_argument('--monasca-api-url',
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default=utils.env('MONASCA_API_URL'),
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help='Defaults to env[MONASCA_API_URL].')
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parser.add_argument('--monasca_api_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--monasca-api-version',
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default=utils.env(
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'MONASCA_API_VERSION',
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default='2_0'),
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help='Defaults to env[MONASCA_API_VERSION] or 2_0')
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parser.add_argument('--monasca_api_version',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-service-type',
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default=utils.env('OS_SERVICE_TYPE'),
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help='Defaults to env[OS_SERVICE_TYPE].')
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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-type',
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default=utils.env('OS_ENDPOINT_TYPE'),
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help='Defaults to env[OS_ENDPOINT_TYPE].')
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parser.add_argument('--os_endpoint_type',
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help=argparse.SUPPRESS)
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# In OpenStack, the parameters below are intended for domain-scoping, i.e. authorize
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# the user against a domain instead of a project. Previous versions of the agent used these
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# to qualify the project name, leading to confusion and preventing reuse of typical RC files.
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# Since domain scoping is not supported by Monasca, we can still support the old variable
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# names for the time being. If the project-name is not scoped using the correct project
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# domain name parameter, the code falls back to the domain scoping parameters.
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parser.add_argument('--os-domain-id',
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default=utils.env('OS_DOMAIN_ID'),
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help=argparse.SUPPRESS)
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parser.add_argument('--os-domain-name',
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default=utils.env('OS_DOMAIN_NAME'),
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help=argparse.SUPPRESS)
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return parser
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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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submodule = utils.import_versioned_module(version, 'shell')
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self._find_actions(subparsers, submodule)
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self._find_actions(subparsers, self)
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self._add_bash_completion_subparser(subparsers)
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return parser
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def _add_bash_completion_subparser(self, subparsers):
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subparser = subparsers.add_parser(
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'bash_completion',
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add_help=False,
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formatter_class=HelpFormatter
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)
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self.subcommands['bash_completion'] = subparser
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subparser.set_defaults(func=self.do_bash_completion)
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def _find_actions(self, subparsers, actions_module):
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for attr in (a for a in dir(actions_module) if a.startswith('do_')):
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# I prefer to be hyphen-separated instead of underscores.
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command = attr[3:].replace('_', '-')
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callback = getattr(actions_module, attr)
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desc = callback.__doc__ or ''
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help = desc.strip().split('\n')[0]
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arguments = getattr(callback, 'arguments', [])
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subparser = subparsers.add_parser(command,
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help=help,
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description=desc,
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add_help=False,
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formatter_class=HelpFormatter)
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subparser.add_argument('-h', '--help',
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action='help',
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help=argparse.SUPPRESS)
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self.subcommands[command] = subparser
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for (args, kwargs) in arguments:
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subparser.add_argument(*args, **kwargs)
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subparser.set_defaults(func=callback)
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def _setup_logging(self, debug):
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log_lvl = logging.DEBUG if debug else logging.ERROR
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logging.basicConfig(
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format="%(levelname)s (%(module)s:%(lineno)d) %(message)s",
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level=log_lvl)
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def _setup_verbose(self, verbose):
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if verbose:
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exc.verbose = 1
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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_logging(options.debug)
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self._setup_verbose(options.verbose)
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# build available subcommands based on version
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api_version = options.monasca_api_version
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subcommand_parser = self.get_subcommand_parser(api_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 not args and 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 help command 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(args)
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return 0
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if not args.os_username and not args.os_auth_token:
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raise exc.CommandError("You must provide a username via"
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" either --os-username or env[OS_USERNAME]"
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" or a token via --os-auth-token or"
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" env[OS_AUTH_TOKEN]")
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if not args.os_password and not args.os_auth_token:
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raise exc.CommandError("You must provide a password via"
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" either --os-password or env[OS_PASSWORD]"
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" or a token via --os-auth-token or"
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" env[OS_AUTH_TOKEN]")
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if args.os_no_client_auth:
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if not args.monasca_api_url:
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raise exc.CommandError("If you specify --os-no-client-auth"
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" you must specify a Monasca API URL"
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" via either --monasca-api-url or"
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" env[MONASCA_API_URL]")
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else:
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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.os_auth_url and 'v2.0' in args.os_auth_url:
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args.os_auth_url = string.replace(args.os_auth_url, 'v2.0', 'v3')
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kwargs = {
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'username': args.os_username,
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'password': args.os_password,
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'token': args.os_auth_token,
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'auth_url': args.os_auth_url,
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'service_type': args.os_service_type,
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'endpoint_type': args.os_endpoint_type,
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'os_cacert': args.os_cacert,
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'user_domain_id': args.os_user_domain_id,
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'user_domain_name': args.os_user_domain_name,
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'project_id': args.os_project_id,
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'project_name': args.os_project_name,
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# if project name is not scoped, fall back to previous behaviour (see above)
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'project_domain_id': args.os_project_domain_id if args.os_project_domain_id else args.os_domain_id,
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'project_domain_name': args.os_project_domain_name if args.os_project_domain_name else args.os_domain_name,
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'insecure': args.insecure,
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'region_name': args.os_region_name,
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'keystone_timeout': args.keystone_timeout
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}
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endpoint = args.monasca_api_url
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if not args.os_no_client_auth:
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_ksclient = ksclient.KSClient(**kwargs)
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if args.os_auth_token:
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token = args.os_auth_token
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else:
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try:
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token = _ksclient.token
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except exc.CommandError:
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raise exc.CommandError(
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"User does not have a default project. "
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"You must provide a project id using "
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"--os-project-id or via env[OS_PROJECT_ID], "
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"or you must provide a project name using "
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"--os-project-name or via env[OS_PROJECT_NAME] "
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"and a project domain using --os-project-domain-name, via "
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"env[OS_PROJECT_DOMAIN_NAME], using --os-project-domain-id or "
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"via env[OS_PROJECT_DOMAIN_ID]")
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kwargs = {
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'token': token,
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'insecure': args.insecure,
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'os_cacert': args.os_cacert,
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'cert_file': args.cert_file,
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'key_file': args.key_file,
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'username': args.os_username,
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'password': args.os_password,
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'service_type': args.os_service_type,
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'endpoint_type': args.os_endpoint_type,
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'auth_url': args.os_auth_url,
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'keystone_timeout': args.keystone_timeout
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}
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if args.os_user_domain_name:
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kwargs['user_domain_name'] = args.os_user_domain_name
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if args.os_user_domain_id:
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kwargs['user_domain_id'] = args.os_user_domain_id
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if args.os_region_name:
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kwargs['region_name'] = args.os_region_name
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if args.os_project_name:
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kwargs['project_name'] = args.os_project_name
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if args.os_project_id:
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kwargs['project_id'] = args.os_project_id
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# Monasca API uses domain_id/name for project_domain_id/name
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# We cannot change this and therefore still use the misleading parameter names
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if args.os_domain_name:
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kwargs['domain_name'] = args.os_project_domain_name if args.os_project_domain_name \
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else args.os_domain_name
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if args.os_domain_id:
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kwargs['domain_id'] = args.os_project_domain_id if args.os_project_domain_id \
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else args.os_domain_id
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if not endpoint:
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endpoint = _ksclient.monasca_url
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client = monasca_client.Client(api_version, endpoint, **kwargs)
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args.func(client, args)
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def do_bash_completion(self, args):
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"""Prints all of the commands and options to stdout.
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The monasca.bash_completion script doesn't have to hard code them.
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"""
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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 list(sc._optionals._option_string_actions):
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options.add(option)
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commands.remove('bash-completion')
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commands.remove('bash_completion')
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print(' '.join(commands | options))
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@utils.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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# Title-case the headings
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heading = '%s%s' % (heading[0].upper(), heading[1:])
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super(HelpFormatter, self).start_section(heading)
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def main(args=None):
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try:
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if args is None:
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args = sys.argv[1:]
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MonascaShell().main(args)
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except Exception as e:
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if '--debug' in args or '-d' in args:
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raise
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else:
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print(e, file=sys.stderr)
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sys.exit(1)
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if __name__ == "__main__":
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main()
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