# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=6

PYTHON_COMPAT=( python2_7 python3_{5,6} )

inherit distutils-r1

DESCRIPTION="Message Passing Interface for Python"
HOMEPAGE="https://bitbucket.org/mpi4py/ https://pypi.org/project/mpi4py/"
SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"

LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~arm ~x86 ~amd64-linux ~x86-linux"
IUSE="doc examples test"

RDEPEND="virtual/mpi"
DEPEND="${RDEPEND}
	test? ( dev-python/nose[${PYTHON_USEDEP}]
	virtual/mpi[romio] )"
DISTUTILS_IN_SOURCE_BUILD=1

python_prepare_all() {
	# not needed on install
	rm -vr docs/source || die
	distutils-r1_python_prepare_all
}

src_compile() {
	export FAKEROOTKEY=1
	distutils-r1_src_compile
}

python_test() {
	echo "Beginning test phase"
	pushd "${BUILD_DIR}"/../ &> /dev/null || die
	mpiexec -n 2 "${PYTHON}" ./test/runtests.py -v || 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
}