1 files changed, 66 insertions, 0 deletions
diff --git a/sci-libs/scikit-learn/scikit-learn-0.23.2.ebuild b/sci-libs/scikit-learn/scikit-learn-0.23.2.ebuild
new file mode 100644
index 000000000000..626d84dd3335
--- /dev/null
+++ b/sci-libs/scikit-learn/scikit-learn-0.23.2.ebuild
@@ -0,0 +1,66 @@
+# Copyright 2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6..9} )
+DISTUTILS_USE_SETUPTOOLS=no
+inherit distutils-r1
+
+DESCRIPTION="Machine learning library for Python"
+HOMEPAGE="https://scikit-learn.org/stable/"
+SRC_URI="https://github.com/scikit-learn/scikit-learn/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86"
+IUSE="examples"
+
+DEPEND="
+	virtual/blas:=
+	virtual/cblas:=
+"
+RDEPEND="
+	${DEPEND}
+	dev-python/wheel[${PYTHON_USEDEP}]
+	dev-python/cython[${PYTHON_USEDEP}]
+	dev-python/joblib[${PYTHON_USEDEP}]
+	dev-python/numpy[${PYTHON_USEDEP}]
+	dev-python/scipy[${PYTHON_USEDEP}]
+	dev-python/threadpoolctl[${PYTHON_USEDEP}]
+"
+
+distutils_enable_tests pytest
+
+python_prepare_all() {
+	# scikits-learn now uses the horrible numpy.distutils automagic
+	export SCIPY_FCONFIG="config_fc --noopt --noarch"
+
+	# remove bundled cblas
+	rm -rf sklearn/src || die "failed to remove bundled cblas"
+
+	distutils-r1_python_prepare_all
+}
+
+python_compile() {
+	distutils-r1_python_compile ${SCIPY_FCONFIG}
+}
+
+python_test() {
+	distutils_install_for_testing ${SCIPY_FCONFIG}
+	pushd "${TEST_DIR}/lib" >/dev/null || die
+	pytest -vv || die "testing failed with ${EPYTHON}"
+	popd >/dev/null || die
+}
+
+python_install() {
+	distutils-r1_python_install ${SCIPY_FCONFIG}
+}
+
+python_install_all() {
+	find "${S}" -name \*LICENSE.txt -delete
+	distutils-r1_python_install_all
+	if use examples; then
+		dodoc -r examples
+	fi
+}