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

EAPI=6
PYTHON_COMPAT=( python{2_7,3_5,3_6} )

inherit distutils-r1 xdg-utils

DESCRIPTION="Simple interactive astronomical image examination and plotting"
HOMEPAGE="https://imexam.readthedocs.io"
SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"

LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~x86-fbsd ~amd64-linux ~x86-linux"
IUSE="doc test"

RDEPEND="
	dev-python/astropy[${PYTHON_USEDEP}]
	dev-python/ginga[${PYTHON_USEDEP}]
	dev-python/ipython[${PYTHON_USEDEP}]
	dev-python/matplotlib[${PYTHON_USEDEP}]
	sci-libs/scipy[${PYTHON_USEDEP}]"
DEPEND="${RDEPEND}
	dev-python/astropy-helpers[${PYTHON_USEDEP}]
	dev-python/cython[${PYTHON_USEDEP}]
	dev-python/setuptools[${PYTHON_USEDEP}]
	doc? ( dev-python/sphinx[${PYTHON_USEDEP}] )
	test? ( dev-python/pytest[${PYTHON_USEDEP}] )"

PATCHES=( "${FILESDIR}"/${P}-system-xpa.patch )

python_prepare_all() {
	# use system astropy-helpers instead of bundled one
	sed -i -e '/auto_use/s/True/False/' setup.cfg || die
	echo "backend: Agg" > "${T}"/matplotlibrc || die
	xdg_environment_reset
	distutils-r1_python_prepare_all
}

python_compile_all() {
	if use doc; then
		python_setup
		VARTEXFONTS="${T}"/fonts \
			MPLCONFIGDIR="${T}" \
			PYTHONPATH="${BUILD_DIR}"/lib \
			esetup.py build_docs --no-intersphinx
		HTML_DOCS=( docs/_build/html/. )
	fi
}

python_test() {
	esetup.py test -v
}