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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..13} )
DISTUTILS_EXT=1
DISTUTILS_USE_PEP517=meson-python
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"
RDEPEND="
dev-python/numpy[${PYTHON_USEDEP}]
virtual/mpi
"
DEPEND="${RDEPEND}"
BDEPEND="
dev-python/cython[${PYTHON_USEDEP}]
>=dev-build/meson-1.0.0
virtual/mpi
"
PATCHES=(
"${FILESDIR}/${PN}-4-use-mesonpy.patch"
"${FILESDIR}/${PN}-4-mpich-no-fortran-fix.patch"
)
python_prepare_all() {
# not needed on install
rm -vr docs/source || die
rm test/test_pickle.py || die # disabled by Gentoo-bug #659348
distutils-r1_python_prepare_all
}
python_compile() {
export CC=mpicc
distutils-r1_python_compile
}
python_test() {
echo "Beginning test phase"
local -x PYTHONPATH="${BUILD_DIR}/install$(python_get_sitedir)"
# python want's all arguments as separate strings
local mpi_opts=(
"-n" "1"
)
if has_version sys-cluster/openmpi; then
local mpi_opts+=(
"--use-hwthread-cpus"
# allow test in systemd-nspawn container
"--mca" "btl" "tcp,self"
"--mca" "oob_tcp_if_include" "lo"
# disable openmpi OSC UCX component
# https://github.com/open-mpi/ompi/issues/12517
"--mca" "osc" "^ucx"
)
fi
mpiexec \
"${mpi_opts[@]}" \
"${PYTHON}" -B -v ./test/runtests.py -v ||
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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