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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_{9..11} )
DISTUTILS_USE_PEP517=setuptools
inherit distutils-r1 multiprocessing pypi
DESCRIPTION="Python wrapper for OpenCL"
HOMEPAGE="
https://mathema.tician.de/software/pyopencl/
https://pypi.org/project/pyopencl/
"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="amd64 ~ppc64"
IUSE="examples opengl"
# Running tests on GPUs requires both appropriate hardware and additional permissions
# having been granted to the user running them. Testing on CPUs with dev-libs/pocl
# is in theory possible but has been found to be very fragile, see e.g. Bug #872308.
RESTRICT="test"
COMMON=">=virtual/opencl-2"
# libglvnd is only needed for the headers
DEPEND="${COMMON}
opengl? ( media-libs/libglvnd )"
RDEPEND="${COMMON}
>=dev-python/mako-0.3.6[${PYTHON_USEDEP}]
dev-python/numpy[${PYTHON_USEDEP}]
>=dev-python/platformdirs-2.2.0[${PYTHON_USEDEP}]
>=dev-python/pytools-2021.2.7[${PYTHON_USEDEP}]"
BDEPEND="dev-python/numpy[${PYTHON_USEDEP}]
>=dev-python/pybind11-2.5.0[${PYTHON_USEDEP}]
test? ( dev-libs/pocl )"
distutils_enable_tests pytest
python_configure_all() {
local myconf=()
if use opengl; then
myconf+=(--cl-enable-gl)
fi
"${EPYTHON}" configure.py \
"${myconf[@]}"
}
python_test() {
# Use dev-libs/pocl for testing; ignore any other OpenCL devices that might be present
local -x PYOPENCL_TEST="portable:pthread"
# Set the number of threads to match MAKEOPTS
local -x POCL_MAX_PTHREAD_COUNT=$(makeopts_jobs)
# Change to the 'test' directory so that python does not try to import pyopencl from the source directory
# (Importing from the source directory fails, because the compiled '_cl' module is only in the build directory)
pushd test >/dev/null || die
epytest
popd >/dev/null || die
}
python_install_all() {
if use examples; then
dodoc -r examples
docompress -x /usr/share/doc/${PF}/examples
fi
distutils-r1_python_install_all
}