57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
# Copyright 2012-2013 OpenStack Foundation
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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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#
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"""Modify Cliff's CommandManager"""
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import logging
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import pkg_resources
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import cliff.commandmanager
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LOG = logging.getLogger(__name__)
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class CommandManager(cliff.commandmanager.CommandManager):
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"""Alters Cliff's default CommandManager behaviour to load additional
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command groups after initialization.
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"""
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def __init__(self, namespace, convert_underscores=True):
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self.group_list = []
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super(CommandManager, self).__init__(namespace, convert_underscores)
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def _load_commands(self, group=None):
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if not group:
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group = self.namespace
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self.group_list.append(group)
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for ep in pkg_resources.iter_entry_points(group):
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LOG.debug('found command %r' % ep.name)
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cmd_name = (
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ep.name.replace('_', ' ')
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if self.convert_underscores
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else ep.name
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)
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self.commands[cmd_name] = ep
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return
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def add_command_group(self, group=None):
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"""Adds another group of command entrypoints"""
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if group:
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self._load_commands(group)
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def get_command_groups(self):
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"""Returns a list of the loaded command groups"""
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return self.group_list
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