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# Copyright 2013-2024 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 G4neutronxs(Package):
"""Geant4 data for evaluated neutron cross-sections on natural composition
of elements"""
homepage = "https://geant4.web.cern.ch"
url = "https://geant4-data.web.cern.ch/geant4-data/datasets/G4NEUTRONXS.1.4.tar.gz"
tags = ["hep"]
maintainers("drbenmorgan")
# Only versions relevant to Geant4 releases built by spack are added
# Dataset not used after Geant4 10.4.x
version("1.4", sha256="57b38868d7eb060ddd65b26283402d4f161db76ed2169437c266105cca73a8fd")
def install(self, spec, prefix):
mkdirp(join_path(prefix.share, "data"))
install_path = join_path(prefix.share, "data", "G4NEUTRONXS{0}".format(self.version))
install_tree(self.stage.source_path, install_path)
def setup_dependent_run_environment(self, env, dependent_spec):
install_path = join_path(self.prefix.share, "data", "G4NEUTRONXS{0}".format(self.version))
env.set("G4NEUTRONXSDATA", install_path)
def url_for_version(self, version):
"""Handle version string."""
return (
"http://geant4-data.web.cern.ch/geant4-data/datasets/G4NEUTRONXS.%s.tar.gz" % version
)
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