# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

DISTUTILS_EXT=1
DISTUTILS_USE_PEP517=setuptools
PYTHON_COMPAT=( python3_{9..11} )

inherit distutils-r1 multiprocessing optfeature pypi

DESCRIPTION="Statistical computations and models for use with SciPy"
HOMEPAGE="
	https://www.statsmodels.org/stable/index.html
	https://github.com/statsmodels/statsmodels/
	https://pypi.org/project/statsmodels/
"

LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64 ~arm arm64 ~ia64 ~ppc ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux"
IUSE="examples"

DEPEND="
	>=dev-python/numpy-1.17[${PYTHON_USEDEP}]
	>=dev-python/scipy-1.3[${PYTHON_USEDEP}]
"
RDEPEND="
	${DEPEND}
	>=dev-python/numpy-1.17[${PYTHON_USEDEP}]
	>=dev-python/packaging-21.3[${PYTHON_USEDEP}]
	>=dev-python/pandas-0.25[${PYTHON_USEDEP}]
	>=dev-python/patsy-0.5.2[${PYTHON_USEDEP}]
	>=dev-python/scipy-1.3[${PYTHON_USEDEP}]
"
BDEPEND="
	${DEPEND}
	dev-python/cython[${PYTHON_USEDEP}]
	test? (
		dev-python/pytest-xdist[${PYTHON_USEDEP}]
	)
"

distutils_enable_sphinx docs \
	'dev-python/ipykernel' \
	'dev-python/jupyter-client' \
	'dev-python/matplotlib' \
	'dev-python/nbconvert' \
	'dev-python/numpydoc'

distutils_enable_tests pytest

python_prepare_all() {
	# Prevent un-needed d'loading
	export VARTEXFONTS="${T}"/fonts
	export MPLCONFIGDIR="${T}"
	printf -- 'backend : Agg\n' > "${MPLCONFIGDIR}"/matplotlibrc || die

	distutils-r1_python_prepare_all
}

python_test() {
	local -x MKL_NUM_THREADS=1
	local -x OMP_NUM_THREADS=1
	local EPYTEST_DESELECT=(
		# note that test path should be without "statsmodels/" prefix
		imputation/tests/test_mice.py::TestMICE::test_combine
		stats/tests/test_mediation.py::test_mixedlm
		"stats/tests/test_corrpsd.py::test_corrpsd_threshold[0]"
	)

	cd "${BUILD_DIR}/install$(python_get_sitedir)" || die
	epytest ${PN} -n "$(makeopts_jobs)"
	rm -r ${PN}/.pytest_cache || die
}

python_install_all() {
	if use examples; then
		docompress -x /usr/share/doc/${PF}/examples
		dodoc -r examples
	fi
	distutils-r1_python_install_all
}

pkg_postinst() {
	optfeature "Plotting functionality" "dev-python/matplotlib"
}