# Copyright 1999-2019 Gentoo Authors
# 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 virtualx

DESCRIPTION="Python tools to manipulate graphs and complex networks"
HOMEPAGE="http://networkx.github.io/ https://github.com/networkx/networkx"
SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"

LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64 ~arm64 x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos"
IUSE="doc examples scipy test"
RESTRICT="!test? ( test )"

REQUIRED_USE="doc? ( || ( $(python_gen_useflags -2) ) )"

COMMON_DEPEND="
	dev-python/matplotlib[${PYTHON_USEDEP}]
	scipy? ( sci-libs/scipy[${PYTHON_USEDEP}] )"
DEPEND="
	dev-python/setuptools[${PYTHON_USEDEP}]
	doc? (
		dev-python/sphinx[${PYTHON_USEDEP}]
		dev-python/matplotlib[${PYTHON_USEDEP}]
		$(python_gen_cond_dep 'dev-python/numpydoc[${PYTHON_USEDEP}]' python2_7)
		$(python_gen_cond_dep 'dev-python/sphinx_rtd_theme[${PYTHON_USEDEP}]' python2_7)
	)
	test? (
		${COMMON_DEPEND}
		dev-python/nose[${PYTHON_USEDEP}]
		$(python_gen_cond_dep 'dev-python/pydot[${PYTHON_USEDEP}]' -2)
	)"
RDEPEND="
	>=dev-python/decorator-3.4.0[${PYTHON_USEDEP}]
	examples? (
		${COMMON_DEPEND}
		dev-python/pygraphviz[${PYTHON_USEDEP}]
		dev-python/pyparsing[${PYTHON_USEDEP}]
		dev-python/pyyaml[${PYTHON_USEDEP}]
	)"

PATCHES=(
	"${FILESDIR}"/1.11-sphinx-pngmath.patch
)

python_prepare_all() {
	# Avoid d'loading of file objects.inv from 2 sites of python docs
	sed -e "s/'sphinx.ext.intersphinx', //" -i doc/source/conf.py || die
	distutils-r1_python_prepare_all
}

python_compile_all() {
	if use doc; then
		python_setup -2
		emake -C doc html
	fi
}

python_test() {
	virtx nosetests -vv
}

python_install_all() {
	# Oh my.
	rm -r "${ED}"usr/share/doc/${P} || die

	use doc && local HTML_DOCS=( doc/build/html/. )
	use examples && dodoc -r examples

	distutils-r1_python_install_all
}