# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

PYTHON_COMPAT=( python2_7 python3_{4,5,6,7} pypy )
PYTHON_REQ_USE='tk?,threads(+)'

inherit distutils-r1 virtualx

MY_PN=Pillow
MY_P=${MY_PN}-${PV}

DESCRIPTION="Python Imaging Library (fork)"
HOMEPAGE="https://python-pillow.org/"
SRC_URI="mirror://pypi/${MY_PN:0:1}/${MY_PN}/${MY_P}.tar.gz"

LICENSE="HPND"
SLOT="0"
KEYWORDS="amd64 arm ~arm64 ppc ppc64 x86 ~amd64-linux ~x86-linux"
IUSE="doc examples imagequant jpeg jpeg2k lcms test tiff tk truetype webp zlib"

REQUIRED_USE="test? ( jpeg tiff )"

RDEPEND="
	dev-python/olefile[${PYTHON_USEDEP}]
	imagequant? ( media-gfx/libimagequant:0 )
	jpeg? ( virtual/jpeg:0 )
	jpeg2k? ( media-libs/openjpeg:2= )
	lcms? ( media-libs/lcms:2= )
	tiff? ( media-libs/tiff:0=[jpeg,zlib] )
	truetype? ( media-libs/freetype:2= )
	webp? ( media-libs/libwebp:0= )
	zlib? ( sys-libs/zlib:0= )"
DEPEND="${RDEPEND}
	dev-python/setuptools[${PYTHON_USEDEP}]
	doc? (
		dev-python/sphinx[${PYTHON_USEDEP}]
		dev-python/sphinx_rtd_theme[${PYTHON_USEDEP}]
	)
	test? (
		<dev-python/pytest-3.10[${PYTHON_USEDEP}]
		media-gfx/imagemagick[png]
	)
"

S="${WORKDIR}/${MY_P}"

PATCHES=(
	"${FILESDIR}/${PN}-5.2.0-fix-lib-paths.patch"
)

python_configure_all() {
	# It's important that these flags are also passed during the install phase
	# as well. Make sure of that if you change the lines below. See bug 661308.
	mydistutilsargs=(
		build_ext
		--disable-platform-guessing
		$(use_enable truetype freetype)
		$(use_enable jpeg)
		$(use_enable jpeg2k jpeg2000)
		$(use_enable lcms)
		$(use_enable tiff)
		$(use_enable imagequant)
		$(use_enable webp)
		$(use_enable webp webpmux)
		$(use_enable zlib)
	)
}

python_compile() {
	# Pillow monkeypatches distutils to achieve parallel compilation. This
	# conflicts with distutils' builtin parallel computation (since py35)
	# and make builds hang. To avoid that, we set MAX_CONCURRENCY=1 to
	# disable monkeypatching. Can be removed when/if
	# https://github.com/python-pillow/Pillow/pull/3272 is merged.
	MAX_CONCURRENCY=1 distutils-r1_python_compile
}

python_compile_all() {
	use doc && emake -C docs html
}

python_test() {
	"${PYTHON}" selftest.py --installed || die "selftest failed with ${EPYTHON}"
	# no:relaxed: pytest-relaxed plugin make our tests fail. deactivate if installed
	virtx pytest -vx Tests/test_*.py -p no:relaxed
}

python_install() {
	python_doheader src/libImaging/*.h
	distutils-r1_python_install
}

python_install_all() {
	use doc && local HTML_DOCS=( docs/_build/html/. )
	if use examples ; then
		docinto example
		dodoc docs/example/*
		docompress -x /usr/share/doc/${PF}/example
	fi
	distutils-r1_python_install_all
}