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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 PyLightgbm(PythonPackage):
"""LightGBM is a gradient boosting framework that uses tree
based learning algorithms."""
homepage = "https://github.com/microsoft/LightGBM"
pypi = "lightgbm/lightgbm-3.1.1.tar.gz"
license("MIT")
version("3.1.1", sha256="babece2e3613e97748a67ed45387bb0e984bdb1f4126e39f010fbfe7503c7b20")
variant("mpi", default=False, description="Build with mpi support")
depends_on("py-setuptools", type="build")
# in newer pip versions --install-option does not exist
depends_on("py-pip@:23.0", when="+mpi", type="build")
depends_on("py-wheel", type=("build", "run"))
depends_on("py-numpy", type=("build", "run"))
depends_on("py-scipy", type=("build", "run"))
depends_on("py-scikit-learn@:0.21,0.22.1:", type=("build", "run"))
depends_on("cmake@3.8:", type="build")
depends_on("mpi", when="+mpi")
def install_options(self, spec, prefix):
args = []
if spec.satisfies("+mpi"):
args.append("--mpi")
return args
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