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# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=5
PYTHON_COMPAT=( python2_7 python3_4 )
inherit distutils-r1 eutils multilib flag-o-matic
MYPN="${PN/scikits_/scikit-}"
MYP="${MYPN}-${PV}"
DESCRIPTION="Python modules for machine learning and data mining"
HOMEPAGE="https://scikit-learn.org"
SRC_URI="mirror://pypi/${MYPN:0:1}/${MYPN}/${MYP}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="doc examples test"
RDEPEND="
dev-python/joblib[${PYTHON_USEDEP}]
dev-python/matplotlib[${PYTHON_USEDEP}]
dev-python/nose[${PYTHON_USEDEP}]
>=dev-python/numpy-1.6.1[lapack,${PYTHON_USEDEP}]
sci-libs/scikits[${PYTHON_USEDEP}]
>=sci-libs/scipy-0.9[${PYTHON_USEDEP}]
virtual/blas
virtual/cblas
virtual/python-funcsigs[${PYTHON_USEDEP}]
"
DEPEND="
dev-python/cython[${PYTHON_USEDEP}]
dev-python/numpy[lapack,${PYTHON_USEDEP}]
dev-python/setuptools[${PYTHON_USEDEP}]
sci-libs/scipy[${PYTHON_USEDEP}]
virtual/blas
virtual/cblas
doc? (
dev-python/joblib[${PYTHON_USEDEP}]
dev-python/matplotlib[${PYTHON_USEDEP}]
dev-python/sphinx[${PYTHON_USEDEP}]
)"
S="${WORKDIR}/${MYP}"
python_prepare_all() {
# bug #397605
[[ ${CHOST} == *-darwin* ]] \
&& append-ldflags -bundle "-undefined dynamic_lookup" \
|| append-ldflags -shared
# scikits-learn now uses the horrible numpy.distutils automagic
export SCIPY_FCONFIG="config_fc --noopt --noarch"
# use system joblib
rm -r sklearn/externals/joblib/* || die
echo "from joblib import *" > sklearn/externals/joblib/__init__.py
sed -i -e '/joblib\/test/d' sklearn/externals/setup.py || die
sed -i -e 's/..externals.joblib/joblib/g' \
sklearn/decomposition/tests/test_sparse_pca.py \
sklearn/metrics/pairwise.py || die
rm sklearn/externals/funcsigs.py || die
rm sklearn/externals/odict.py || die
sed \
-e 's:from ..externals.funcsigs import signature:from funcsigs import signature:g' \
-i sklearn/utils/fixes.py || die
# use gentoo cblas infrastructure
epatch "${FILESDIR}"/${PN}-0.14.1-system-cblas.patch
distutils-r1_python_prepare_all
}
python_compile() {
distutils-r1_python_compile ${SCIPY_FCONFIG}
}
python_compile_all() {
if use doc; then
cd "${S}/doc" || die
local d="${BUILD_DIR}"/lib
ln -s "${S}"/sklearn/datasets/{data,descr,images} \
"${d}"/sklearn/datasets || die
VARTEXFONTS="${T}"/fonts \
MPLCONFIGDIR="${BUILD_DIR}" \
PYTHONPATH="${d}" \
emake html
rm -r "${d}"/sklearn/datasets/{data,descr,images} || die
fi
}
python_test() {
# doc builds and runs tests
use doc && return
distutils_install_for_testing ${SCIPY_FCONFIG}
esetup.py \
install --root="${T}/test-${EPYTHON}" \
--no-compile ${SCIPY_FCONFIG}
pushd "${T}/test-${EPYTHON}/$(python_get_sitedir)" || die > /dev/null
nosetests -v sklearn --exe || die
popd > /dev/null
}
python_install() {
distutils-r1_python_install ${SCIPY_FCONFIG}
}
python_install_all() {
find "${S}" -name \*LICENSE.txt -delete
use doc && HTML_DOCS=( doc/_build/html/. )
use examples && EXAMPLES=( examples/. )
distutils-r1_python_install_all
}
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