text: # Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: (Apache-2.0 OR MIT)
  class PyExtension3(Package):
      """Package with a dependency whose presence is conditional to the
      version of Python being used.
      """
  
      homepage = "http://www.example.com"
      url = "http://www.example.com/extension3-1.0.tar.gz"
  
      depends_on("python")
      depends_on('py-extension1', type=('build', 'run'), when='^python@:2.8.0')
  
      depends_on('patchelf@0.9', when='@1.0:1.1 ^python@:2')
      depends_on('patchelf@0.10', when='@1.0:1.1 ^python@3:')
  
      version('2.0', '00000000000000000000000000000320')
      version('1.1', '00000000000000000000000000000311')
      version('1.0', '00000000000000000000000000000310')
  