docs: def get_action_generator(self, action_name, policy, kwargs):
          """
          Returns the action generator to be used for the given action.
  
          :param action_name: Action identifier name.
          :type action_name: unicode | str
          :param policy: An instance of the current policy class.
          :type policy: dockermap.map.policy.base.BasePolicy
          :param kwargs: Keyword arguments. Can be modified by the initialization of the action generator.
          :type kwargs: dict
          :return: Action generator object.
          :rtype: dockermap.map.action.base.AbstractActionGenerator
          """
          action_generator_cls = self.generators[action_name][1]
          action_generator = action_generator_cls(policy, kwargs)
          return action_generator