new_contents: # Copyright 2013-2020 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)
  
  from spack import *
  
  
  class PyGosam(PythonPackage):
      """The package GoSam allows for the automated calculation of
         one-loop amplitudes for multi-particle processes in renormalizable
         quantum field theories."""
  
      homepage = "https://gosam.hepforge.org"
      url      = "https://gosam.hepforge.org/downloads/?f=gosam-2.0.4-6d9f1cba.tar.gz"
  
      version('2.0.4', sha256='faf621c70f66d9dffc16ac5cce66258067f39f686d722a4867eeb759fcde4f44')
  
      depends_on('form', type='run')
      depends_on('qgraf', type='run')
      depends_on('gosam-contrib', type='link')
      depends_on('python@2.7:2.7.99', type=('build', 'run'))
  
      def setup_run_environment(self, env):
          gosam_contrib_lib_dir = self.spec['gosam-contrib'].prefix.lib
          env.prepend_path('LD_LIBRARY_PATH', gosam_contrib_lib_dir)
  
subject: Add Gosam (#19401)