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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{8..10} )
inherit distutils-r1
DESCRIPTION="Message Passing Interface for Python"
HOMEPAGE="https://github.com/mpi4py/mpi4py https://pypi.org/project/mpi4py/"
SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64 ~arm ~riscv x86 ~amd64-linux ~x86-linux"
IUSE="doc examples test"
RESTRICT="!test? ( test )"
RDEPEND="
dev-python/cython[${PYTHON_USEDEP}]
dev-python/numpy[${PYTHON_USEDEP}]
virtual/mpi
"
DEPEND="${RDEPEND}
test? (
virtual/mpi[romio]
)
"
DISTUTILS_IN_SOURCE_BUILD=1
python_prepare_all() {
# not needed on install
rm -vr docs/source || die
rm test/test_pickle.py || die # disabled by Gentoo-bug #659348
distutils-r1_python_prepare_all
}
src_compile() {
export FAKEROOTKEY=1
distutils-r1_src_compile
}
python_test() {
echo "Beginning test phase"
pushd "${BUILD_DIR}"/../ &> /dev/null || die
# spawn is not stable in OpenMPI 4
# https://github.com/jsquyres/ompi/pull/4#issuecomment-806897758
# oob_tcp_if_include lo is needed to allow test in systemd-nspawn container
mpiexec --use-hwthread-cpus --mca btl tcp,self --mca oob_tcp_if_include lo \
-n 1 "${PYTHON}" -B ./test/runtests.py -v \
--exclude="test_msgspec" --exclude="test_spawn" ||
die "Testsuite failed under ${EPYTHON}"
popd &> /dev/null || die
}
python_install_all() {
use doc && local HTML_DOCS=( docs/. )
use examples && local DOCS=( demo )
distutils-r1_python_install_all
}
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