95c749d55e
Add hooks that are called before and after the take_action() method of the command. Change-Id: Id6527dfe0946c0ab169fc165b84d40f3ff95e08c Signed-off-by: Doug Hellmann <doug@doughellmann.com>
51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
# All Rights Reserved.
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#
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# 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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import logging
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from cliff.command import Command
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from cliff.hooks import CommandHook
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class Hooked(Command):
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"A command to demonstrate how the hooks work"
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log = logging.getLogger(__name__)
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def take_action(self, parsed_args):
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self.app.stdout.write('this command has an extension\n')
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class Hook(CommandHook):
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"""Hook sample for the 'hooked' command.
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This would normally be provided by a separate package from the
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main application, but is included in the demo app for simplicity.
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"""
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def get_parser(self, parser):
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print('sample hook get_parser()')
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parser.add_argument('--added-by-hook')
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return parser
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def get_epilog(self):
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return 'extension epilog text'
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def before(self, parsed_args):
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self.cmd.app.stdout.write('before\n')
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def after(self, parsed_args, return_code):
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self.cmd.app.stdout.write('after\n')
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