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# Copyright 2013-2023 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.package import *
class PyGosam(Package):
"""The package GoSam allows for the automated calculation of
one-loop amplitudes for multi-particle processes in renormalizable
quantum field theories."""
homepage = "https://github.com/gudrunhe/gosam"
git = "https://github.com/gudrunhe/gosam.git"
tags = ["hep"]
extends("python")
license("GPL-3.0-only")
version(
"2.1.1",
url="https://github.com/gudrunhe/gosam/releases/download/2.1.1/gosam-2.1.1-4b98559.tar.gz",
sha256="4a2b9160d51e3532025b9579a4d17d0e0f8a755b8481aeb8271c1f58eb97ab01",
)
depends_on("form", type="run")
depends_on("qgraf", type="run")
depends_on("gosam-contrib", type="link")
depends_on("python@3:", 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)
def install(self, spec, prefix):
python("-s", "setup.py", "--no-user-cfg", "build")
python("-s", "setup.py", "--no-user-cfg", "install", "--prefix=" + prefix)
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