text: # Copyright 2018 Google LLC
  #
  # 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
  #
  #     https://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.
  
  import nox
  
  
  @nox.session(python='3.6')
  def blacken(session):
      session.install('black')
      session.run('black', 'releasetool', 'tests')
  
  
  @nox.session(python='3.6')
  def lint(session):
      session.install('mypy', 'flake8', 'black')
      session.run('pip', 'install', '-e', '.')
      session.run('black', '--check', 'releasetool', 'tests')
      session.run('flake8', 'releasetool', 'tests')
      session.run(
          'mypy',
          '--no-strict-optional',
          '--ignore-missing-imports',
          'releasetool')
  
  
  @nox.session(python='3.6')
  def test(session):
      session.install('pytest')
      session.run('pip', 'install', '-e', '.')
      session.run('pytest', 'tests', *session.posargs)
  