text: """
  Commands for pipsi-tool
  Module defines helpers for searching for commands and aliases for them.
  """
  
  from .upgrade_all import UpgradeAll
  from .reinstall_all import ReinstallAll
  
  COMMANDS = {
      'upgrade-all': (UpgradeAll, 'upgradeall', ),
      'reinstall-all': (ReinstallAll, 'reinstallall', ),
  }
  COMMAND_MAPPER = {}
  COMMAND_ALIASES = {}
  
  
  def _manage_commands():
      """
      Build COMMAND_MAPPER and COMMAND_ALIASES dictionaries using COMMANDS
      @return:None
      """
      for name, (command, *aliases) in COMMANDS.items():
          COMMAND_MAPPER[name] = command
          for alias in aliases:
              COMMAND_MAPPER[alias] = command
          COMMAND_ALIASES[name] = aliases
  _manage_commands()
  del _manage_commands
  
  
  def get(name):
      """
      Find command class for given command name
      @param name:str
      @return: commands.Command
      """
      return COMMAND_MAPPER.get(name)
  
  
  def get_aliases_for(name):
      """
      Find aliases for given command name
      @param name: str
      @return: Str[]
      """
      return COMMAND_ALIASES[name]
  