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# Copyright 2012-2013 OpenStack, LLC.
#
# 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.
#
"""Modify Cliff's CommandManager"""
import logging
import pkg_resources
import cliff.commandmanager
LOG = logging.getLogger(__name__)
class CommandManager(cliff.commandmanager.CommandManager):
"""Alters Cliff's default CommandManager behaviour to load additiona
command groups after initialization.
"""
def _load_commands(self, group=None):
if not group:
group = self.namespace
for ep in pkg_resources.iter_entry_points(group):
LOG.debug('found command %r' % ep.name)
self.commands[ep.name.replace('_', ' ')] = ep
return
def add_command_group(self, group=None):
"""Adds another group of command entrypoints"""
if group:
self._load_commands(group)
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