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# 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)
from spack 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"
version('3.1.1', sha256='babece2e3613e97748a67ed45387bb0e984bdb1f4126e39f010fbfe7503c7b20')
variant('mpi', default=False, description="Build with mpi support")
depends_on('py-setuptools', 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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