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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{10..12} )
DISTUTILS_EXT=1
DISTUTILS_USE_PEP517=setuptools
inherit distutils-r1 pypi
DESCRIPTION="Message Passing Interface for Python"
HOMEPAGE="https://github.com/mpi4py/mpi4py https://pypi.org/project/mpi4py/"
LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64 ~arm ~arm64 ~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="${RDEPEND}
test? (
virtual/mpi[romio]
)
"
PATCHES=(
"${FILESDIR}/${PN}-3.1.5-test_memory.testReadOnly.patch"
)
python_prepare_all() {
# not needed on install
rm -vr docs/source || die
rm test/test_pickle.py || die # disabled by Gentoo-bug #659348
distutils-r1_python_prepare_all
}
python_test() {
echo "Beginning test phase"
local -x PYTHONPATH="${BUILD_DIR}/install$(python_get_sitedir)"
# python want's all arguments as separate strings
local mpi_opts=(
"-n" "1"
)
# spawn is not stable in OpenMPI 4
# https://github.com/jsquyres/ompi/pull/4#issuecomment-806897758
# oob_tcp_if_include lo is needed to allow test in systemd-nspawn container
has_version sys-cluster/openmpi && mpi_opts+=(
"--use-hwthread-cpus"
"--mca" "btl" "tcp,self"
"--mca" "oob_tcp_if_include" "lo"
)
mpiexec \
"${mpi_opts[@]}" \
"${PYTHON}" -B -v ./test/runtests.py -v \
--exclude="test_msgspec" --exclude="test_spawn" ||
die "Testsuite failed under ${EPYTHON}"
}
python_install_all() {
use doc && local HTML_DOCS=( docs/. )
use examples && local DOCS=( demo )
distutils-r1_python_install_all
}
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