# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6

PYTHON_COMPAT=( python2_7 pypy )

inherit distutils-r1

MY_PN="${PN/-/.}"
MY_PN="${MY_PN//-/_}"
DESCRIPTION="Backport of functools.lru_cache from Python 3.3"
HOMEPAGE="https://github.com/jaraco/backports.functools_lru_cache"
SRC_URI="mirror://pypi/${PN:0:1}/${MY_PN}/${MY_PN}-${PV}.tar.gz"

LICENSE="MIT"
SLOT="0"
KEYWORDS="~alpha amd64 ~arm ~arm64 ~ia64 ~mips ~ppc ~ppc64 ~sparc x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
IUSE="doc test"

RDEPEND="dev-python/backports[${PYTHON_USEDEP}]"
DEPEND="
	dev-python/setuptools[${PYTHON_USEDEP}]
	>=dev-python/setuptools_scm-1.15.0[${PYTHON_USEDEP}]
	doc? (
		>=dev-python/jaraco-packaging-3.2[${PYTHON_USEDEP}]
		dev-python/rst-linker[${PYTHON_USEDEP}]
		dev-python/sphinx[${PYTHON_USEDEP}]
	)
	test? (
		>=dev-python/pytest-2.8[${PYTHON_USEDEP}]
	)
"

S="${WORKDIR}/${MY_PN}-${PV}"

python_compile_all() {
	if use doc; then
		cd docs || die
		sphinx-build . _build/html || die
		HTML_DOCS=( docs/_build/html/. )
	fi
}

python_test() {
	PYTHONPATH=. py.test || die "tests failed with ${EPYTHON}"
}

python_install() {
	# avoid a collision with dev-python/backports
	rm "${BUILD_DIR}"/lib/backports/__init__.py || die
	distutils-r1_python_install --skip-build
}