old_contents: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  #    Copyright (C) 2012 Yahoo! Inc. All Rights Reserved.
  #
  #    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.
  
  from anvil.actions import install
  from anvil.actions import start
  from anvil.actions import stop
  from anvil.actions import uninstall
  
  
  _NAMES_TO_RUNNER = dict()
  _NAMES_TO_RUNNER[install.InstallAction.get_action_name()] = install.InstallAction
  _NAMES_TO_RUNNER[install.UninstallAction.get_action_name()] = uninstall.UninstallAction
  _NAMES_TO_RUNNER[start.StartAction.get_action_name()] = start.StartAction
  _NAMES_TO_RUNNER[stop.StopAction.get_action_name()] = stop.StopAction
  
  
  def get_action_names():
      """
      Returns a list of the available action names.
      """
      return sorted(_NAMES_TO_RUNNER.keys())
  
  
  def get_runner_factory(action):
      """
      Given an action name, look up the factory for that action runner.
      """
      try:
          return _NAMES_TO_RUNNER[action]
      except KeyError:
          raise ValueError('Unrecognized action %s' % action)
  
new_contents: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  #    Copyright (C) 2012 Yahoo! Inc. All Rights Reserved.
  #
  #    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.
  
  from anvil.actions import install
  from anvil.actions import start
  from anvil.actions import stop
  from anvil.actions import uninstall
  
  
  _NAMES_TO_RUNNER = dict()
  _NAMES_TO_RUNNER[install.InstallAction.get_action_name()] = install.InstallAction
  _NAMES_TO_RUNNER[uninstall.UninstallAction.get_action_name()] = uninstall.UninstallAction
  _NAMES_TO_RUNNER[start.StartAction.get_action_name()] = start.StartAction
  _NAMES_TO_RUNNER[stop.StopAction.get_action_name()] = stop.StopAction
  
  
  def get_action_names():
      """
      Returns a list of the available action names.
      """
      return sorted(_NAMES_TO_RUNNER.keys())
  
  
  def get_runner_factory(action):
      """
      Given an action name, look up the factory for that action runner.
      """
      try:
          return _NAMES_TO_RUNNER[action]
      except KeyError:
          raise ValueError('Unrecognized action %s' % action)
  
subject: Update how phases are tracked