text: # -*- coding: utf-8 -*-
  #
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you 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 airflow import configuration
  from airflow.task.task_runner.standard_task_runner import StandardTaskRunner
  from airflow.exceptions import AirflowException
  
  _TASK_RUNNER = configuration.conf.get('core', 'TASK_RUNNER')
  
  
  def get_task_runner(local_task_job):
      """
      Get the task runner that can be used to run the given job.
  
      :param local_task_job: The LocalTaskJob associated with the TaskInstance
          that needs to be executed.
      :type local_task_job: airflow.jobs.LocalTaskJob
      :return: The task runner to use to run the task.
      :rtype: airflow.task.task_runner.base_task_runner.BaseTaskRunner
      """
      if _TASK_RUNNER == "StandardTaskRunner":
          return StandardTaskRunner(local_task_job)
      elif _TASK_RUNNER == "CgroupTaskRunner":
          from airflow.contrib.task_runner.cgroup_task_runner import CgroupTaskRunner
          return CgroupTaskRunner(local_task_job)
      else:
          raise AirflowException("Unknown task runner type {}".format(_TASK_RUNNER))
  