# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI=5

PYTHON_COMPAT=( python{2_6,2_7,3_2,3_3} )

inherit cmake-utils eutils git-2 multilib python-r1

DESCRIPTION="Python bindings for OpenBabel (including Pybel)"
HOMEPAGE="http://openbabel.sourceforge.net/"
EGIT_REPO_URI="https://github.com/openbabel/openbabel.git"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS=""
IUSE=""

REQUIRED_USE="${PYTHON_REQUIRED_USE}"

RDEPEND="${PYTHON_DEPS}
	!sci-chemistry/babel
	~sci-chemistry/openbabel-${PV}
	sys-libs/zlib"
DEPEND="${RDEPEND}
	>=dev-util/cmake-2.4.8
	>=dev-lang/swig-2"

S="${WORKDIR}"/openbabel-${PV}

src_prepare() {
	cmake-utils_src_prepare
	sed \
		-e "s:\"\.\.\":\"${EPREFIX}/usr\":g" \
		-i test/testbabel.py || die
	swig -python -c++ -small -O -templatereduce -naturalvar \
		-I"${EPREFIX}/usr/include/openbabel-2.0" \
		-o scripts/python/openbabel-python.cpp \
		-DHAVE_EIGEN \
		-outdir scripts/python \
		scripts/openbabel-python.i \
		|| die "Regeneration of openbabel-python.cpp failed"
}

src_configure() {
	my_impl_src_configure() {
		local mycmakeargs="${mycmakeargs}
			-DCMAKE_INSTALL_RPATH=
			-DBINDINGS_ONLY=ON
			-DBABEL_SYSTEM_LIBRARY=${EPREFIX}/usr/$(get_libdir)/libopenbabel.so
			-DOB_MODULE_PATH=${EPREFIX}/usr/$(get_libdir)/openbabel/${PV}
			-DPYTHON_BINDINGS=ON
			-DPYTHON_EXECUTABLE=${PYTHON}
			-DPYTHON_INCLUDE_DIR=${EPREFIX}/usr/include/${EPYTHON}
			-DPYTHON_LIBRARY=${EPREFIX}/usr/$(get_libdir)/lib${EPYTHON}.so
			-DENABLE_TESTS=ON"

		cmake-utils_src_configure
	}

	python_foreach_impl my_impl_src_configure
}

src_compile() {
	python_parallel_foreach_impl cmake-utils_src_make bindings_python
}

src_test() {
	python_foreach_impl cmake-utils_src_test -R py
}

src_install() {
	my_impl_src_install() {
		cd "${BUILD_DIR}" || die

		DESTDIR=${ED} cmake -DCOMPONENT=bindings_python -P cmake_install.cmake

		python_optimize
	}

	python_foreach_impl my_impl_src_install
}