impuls/lib/python3.11/site-packages/osc_lib/utils/tags.py

208 lines
7.4 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
import argparse
from osc_lib.i18n import _
class _CommaListAction(argparse.Action):
def __call__(self, parser, namespace, values, option_string=None):
setattr(namespace, self.dest, values.split(','))
def add_tag_filtering_option_to_parser(
parser, resource_name, enhance_help=lambda _h: _h):
"""Add tag filtering options to a parser.
:param parser: argparse.Argument parser object.
:param resource_name: Description of the object being filtered.
:param enhance_help: A callable accepting a single parameter, the
(translated) help string, and returning a (translated) help string. May
be used by a caller wishing to add qualifying text, such as "Applies to
version XYZ only", to the help strings for all options produced by this
method.
"""
parser.add_argument(
'--tags',
metavar='<tag>[,<tag>,...]',
action=_CommaListAction,
help=enhance_help(
_('List %s which have all given tag(s) '
'(Comma-separated list of tags)') % resource_name)
)
parser.add_argument(
'--any-tags',
metavar='<tag>[,<tag>,...]',
action=_CommaListAction,
help=enhance_help(
_('List %s which have any given tag(s) '
'(Comma-separated list of tags)') % resource_name)
)
parser.add_argument(
'--not-tags',
metavar='<tag>[,<tag>,...]',
action=_CommaListAction,
help=enhance_help(
_('Exclude %s which have all given tag(s) '
'(Comma-separated list of tags)') % resource_name)
)
parser.add_argument(
'--not-any-tags',
metavar='<tag>[,<tag>,...]',
action=_CommaListAction,
help=enhance_help(
_('Exclude %s which have any given tag(s) '
'(Comma-separated list of tags)') % resource_name)
)
def get_tag_filtering_args(parsed_args, args):
"""Adds the tag arguments to an args list.
Intended to be used to append the tags to an argument list that will be
used for service client.
:param parsed_args: Parsed argument object returned by argparse parse_args.
:param args: The argument list to add tags to.
"""
if parsed_args.tags:
args['tags'] = ','.join(parsed_args.tags)
if parsed_args.any_tags:
args['any_tags'] = ','.join(parsed_args.any_tags)
if parsed_args.not_tags:
args['not_tags'] = ','.join(parsed_args.not_tags)
if parsed_args.not_any_tags:
args['not_any_tags'] = ','.join(parsed_args.not_any_tags)
def add_tag_option_to_parser_for_create(
parser, resource_name, enhance_help=lambda _h: _h):
"""Add tag options to a parser for create commands.
:param parser: argparse.Argument parser object.
:param resource_name: Description of the object being filtered.
:param enhance_help: A callable accepting a single parameter, the
(translated) help string, and returning a (translated) help string. May
be used by a caller wishing to add qualifying text, such as "Applies to
version XYZ only", to the help strings for all options produced by this
method.
"""
tag_group = parser.add_mutually_exclusive_group()
tag_group.add_argument(
'--tag',
action='append',
dest='tags',
metavar='<tag>',
help=enhance_help(
_("Tag to be added to the %s "
"(repeat option to set multiple tags)") % resource_name)
)
tag_group.add_argument(
'--no-tag',
action='store_true',
help=enhance_help(_("No tags associated with the %s") % resource_name)
)
def add_tag_option_to_parser_for_set(
parser, resource_name, enhance_help=lambda _h: _h):
"""Add tag options to a parser for set commands.
:param parser: argparse.Argument parser object.
:param resource_name: Description of the object being filtered.
:param enhance_help: A callable accepting a single parameter, the
(translated) help string, and returning a (translated) help string. May
be used by a caller wishing to add qualifying text, such as "Applies to
version XYZ only", to the help strings for all options produced by this
method.
"""
parser.add_argument(
'--tag',
action='append',
dest='tags',
metavar='<tag>',
help=enhance_help(
_("Tag to be added to the %s "
"(repeat option to set multiple tags)") % resource_name)
)
parser.add_argument(
'--no-tag',
action='store_true',
help=enhance_help(
_("Clear tags associated with the %s. Specify both "
"--tag and --no-tag to overwrite current tags") % resource_name)
)
def add_tag_option_to_parser_for_unset(
parser, resource_name, enhance_help=lambda _h: _h):
"""Add tag options to a parser for set commands.
:param parser: argparse.Argument parser object.
:param resource_name: Description of the object being filtered.
:param enhance_help: A callable accepting a single parameter, the
(translated) help string, and returning a (translated) help string. May
be used by a caller wishing to add qualifying text, such as "Applies to
version XYZ only", to the help strings for all options produced by this
method.
"""
tag_group = parser.add_mutually_exclusive_group()
tag_group.add_argument(
'--tag',
action='append',
dest='tags',
metavar='<tag>',
help=enhance_help(
_("Tag to be removed from the %s "
"(repeat option to remove multiple tags)") % resource_name))
tag_group.add_argument(
'--all-tag',
action='store_true',
help=enhance_help(
_("Clear all tags associated with the %s") % resource_name))
def update_tags_for_set(client, obj, parsed_args):
"""Set the tags on an object.
:param client: The service client to use setting the tags.
:param obj: The object (Resource) to set the tags on.
:param parsed_args: Parsed argument object returned by argparse parse_args.
"""
if parsed_args.no_tag:
tags = set()
else:
tags = set(obj.tags or [])
if parsed_args.tags:
tags |= set(parsed_args.tags)
if set(obj.tags or []) != tags:
client.set_tags(obj, sorted(list(tags)))
def update_tags_for_unset(client, obj, parsed_args):
"""Unset the tags on an object.
:param client: The service client to use unsetting the tags.
:param obj: The object (Resource) to unset the tags on.
:param parsed_args: Parsed argument object returned by argparse parse_args.
"""
tags = set(obj.tags)
if parsed_args.all_tag:
tags = set()
if parsed_args.tags:
tags -= set(parsed_args.tags)
if set(obj.tags) != tags:
client.set_tags(obj, sorted(list(tags)))