text: # -*- coding: utf-8 -*-
  #
  # Copyright 2017-2018 - Swiss Data Science Center (SDSC)
  # A partnership between École Polytechnique Fédérale de Lausanne (EPFL) and
  # Eidgenössische Technische Hochschule Zürich (ETHZ).
  #
  # 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.
  """Print useful ``RENKU`` environment variables that can be sourced."""
  
  import click
  
  from ._config import with_config
  from ._options import default_endpoint
  
  
  @click.command()
  @click.argument('endpoint', required=False, callback=default_endpoint)
  @with_config
  def env(config, endpoint):
      """Print RENKU environment variables.
  
      Run this command to configure your Renku client:
  
          $ eval "$(renku env)"
  
      """
      access_token = config['endpoints'][endpoint]['token']['access_token']
      click.echo('export {0}={1}'.format('RENKU_ENDPOINT', endpoint))
      click.echo('export {0}={1}'.format('RENKU_ACCESS_TOKEN', access_token))
      click.echo('# Run this command to configure your Renku client:')
      click.echo('# eval "$(renku env)"')
  