2ba7dceaef
* Implements text parsing only, no REST communications * Implements Application create, delete and list * Implements Assembly create, delete and list * Includes some very basic unit tests (expand when REST is added) Partially implements: blueprint solum-minimal-cli Change-Id: I0b1431ffb84b0c6ee71640483669bf55401dc81b
82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
# Copyright (c) 2014 Rackspace
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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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class CommandsBase(object):
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"""Base command parsing class."""
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parser = None
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solum = None
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def __init__(self, parser):
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self.parser = parser
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self._get_global_flags()
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self.parser.add_argument('action',
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default='help',
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help='Action to perform on resource')
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action = None
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try:
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parsed, _ = parser.parse_known_args()
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action = parsed.action
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except Exception:
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# Parser has a habit of doing this when an arg is missing.
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self.parser.print_help()
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if action in self._actions:
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try:
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self.parser.error = self.parser.the_error
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self._actions[action]()
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except Exception:
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print(self._actions[action].__doc__)
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self.parser.print_help()
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@property
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def _actions(self):
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"""Action handler"""
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return dict((attr, getattr(self, attr))
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for attr in dir(self)
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if not attr.startswith('_')
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and callable(getattr(self, attr)))
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def _get_global_flags(self):
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"""Get global flags."""
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# Good location to add_argument() global options like --verbose
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pass
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def help(self):
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"""Print this help message."""
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print(self.__doc__)
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show_help(self._actions, 'actions')
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def show_help(resources, name='targets or nouns'):
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"""Help screen."""
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print("Full list of commands:")
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print(" app create [--repo=repo_url] [--build=no] plan_name")
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print(" app delete plan_name")
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print(" app list")
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print(" assembly create [--assembly=assembly_name] plan_name")
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print(" assembly delete assembly_name")
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print(" assembly list")
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print("\n")
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print("Available %s:" % name)
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for resource in sorted(resources):
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commands = resources.get(resource)
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docstring = "<%s %s>" % (name.capitalize(), resource)
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if commands.__doc__:
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docstring = commands.__doc__
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print("\t%-20s%s" % (resource, docstring))
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