# Copyright 2020-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

PYTHON_COMPAT=( python3_{10,11,12} )
DISTUTILS_EXT=1
DISTUTILS_SINGLE_IMPL=1
DISTUTILS_USE_PEP517=setuptools

inherit cuda distutils-r1 multiprocessing

DESCRIPTION="Datasets, transforms and models to specific to computer vision"
HOMEPAGE="https://github.com/pytorch/vision"
SRC_URI="https://github.com/pytorch/vision/archive/v${PV}.tar.gz -> ${P}.tar.gz"
S="${WORKDIR}/vision-${PV}"

LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64"
IUSE="cuda"

# shellcheck disable=SC2016
RDEPEND="$(python_gen_cond_dep '
		dev-python/numpy[${PYTHON_USEDEP}]
		dev-python/typing-extensions[${PYTHON_USEDEP}]
		dev-python/pillow[${PYTHON_USEDEP}]
		dev-python/requests[${PYTHON_USEDEP}]
		dev-python/scipy[${PYTHON_USEDEP}]
	')
	sci-libs/pytorch[${PYTHON_SINGLE_USEDEP}]
	media-video/ffmpeg
	sci-libs/caffe2
	media-libs/libjpeg-turbo
	media-libs/libpng
	dev-qt/qtcore:5
"
DEPEND="${RDEPEND}"
# shellcheck disable=SC2016
BDEPEND="test? ( $(python_gen_cond_dep '
		dev-python/mock[${PYTHON_USEDEP}]
		')
	)"

distutils_enable_tests pytest

src_prepare() {
	default
	MAX_JOBS=$(makeopts_jobs)
	MAKEOPTS=-j1
	export MAKEOPTS MAX_JOBS
	if use cuda; then
		FORCE_CUDA=1
		NVCC_FLAGS="$(cuda_gccdir -f | tr -d \")"
		export FORCE_CUDA NVCC_FLAGS
	fi
}