# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-chemistry/pymol/pymol-1.5.0.3-r2.ebuild,v 1.4 2014/01/26 08:03:18 jlec Exp $

EAPI=5

PYTHON_COMPAT=( python2_7 )
PYTHON_REQ_USE="tk"

inherit distutils-r1 fdo-mime prefix versionator

DESCRIPTION="A Python-extensible molecular graphics system"
HOMEPAGE="http://www.pymol.org/"
SRC_URI="
	http://dev.gentoo.org/~jlec/distfiles/${P}.tar.xz
	http://dev.gentoo.org/~jlec/distfiles/${PN}-icons.tar.xz"

LICENSE="PSF-2.2"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
IUSE="apbs numpy vmd web"

DEPEND="
	dev-python/numpy[${PYTHON_USEDEP}]
	dev-python/pmw[${PYTHON_USEDEP}]
	media-libs/freetype:2
	media-libs/glew
	media-libs/libpng
	media-video/mpeg-tools
	sys-libs/zlib
	media-libs/freeglut
	apbs? (
		dev-libs/maloc
		sci-chemistry/apbs
		sci-chemistry/pdb2pqr
		sci-chemistry/pymol-apbs-plugin
	)
	web? ( !dev-python/webpy )"
RDEPEND="${DEPEND}"

python_prepare_all() {
	local PATCHES=(
		"${FILESDIR}"/${PN}-1.5.0.1-setup.py.patch
		"${FILESDIR}"/${PN}-1.5.0.1-data-path.patch
		"${FILESDIR}"/${PN}-1.5.0.1-flags.patch
		"${FILESDIR}"/${P}-prefix.patch
		)

	use web || PATCHES+=( "${FILESDIR}"/${P}-web.patch )
	use vmd && PATCHES+=( "${FILESDIR}"/${PN}-1.5.0.1-vmd.patch )

	if use numpy; then
		sed \
			-e '/PYMOL_NUMPY/s:^#::g' \
			-i setup.py || die
	fi

	rm ./modules/pmg_tk/startup/apbs_tools.py || die

	python_export python2_7 EPYTHON PYTHON_SITEDIR
	echo "site_packages = \'$(python_get_sitedir)\'" > setup3.py || die

	sed \
		-e "s:/opt/local:${EPREFIX}/usr:g" \
		-e '/ext_comp_args/s:\[.*\]:[]:g' \
		-i setup.py || die

	distutils-r1_python_prepare_all

	eprefixify setup.py
}

python_install_all() {
	distutils-r1_python_install_all

	python_export python2_7 EPYTHON

	# These environment variables should not go in the wrapper script, or else
	# it will be impossible to use the PyMOL libraries from Python.
	cat >> "${T}"/20pymol <<- EOF
		PYMOL_PATH="$(python_get_sitedir)/${PN}"
		PYMOL_DATA="${EPREFIX}/usr/share/pymol/data"
		PYMOL_SCRIPTS="${EPREFIX}/usr/share/pymol/scripts"
	EOF

	doenvd "${T}"/20pymol

	cat >> "${T}"/pymol <<- EOF
	#!/bin/sh
	${EPYTHON} -O \${PYMOL_PATH}/__init__.py -q \$*
	EOF

	dobin "${T}"/pymol

	insinto /usr/share/pymol
	doins -r test data scripts

	insinto /usr/share/pymol/examples
	doins -r examples

	dodoc DEVELOPERS README

	doicon "${WORKDIR}"/${PN}.{xpm,png}
	make_desktop_entry pymol PyMol ${PN} "Graphics;Education;Science;Chemistry" "MimeType=chemical/x-pdb;"
}

pkg_postinst() {
	elog "\t USE=shaders was removed,"
	elog "please use pymol config settings (~/.pymolrc)"
	elog "\t set use_shaders, 1"
	elog "in case of crashes, please deactivate this experimental feature by setting"
	elog "\t set use_shaders, 0"
	elog "\t set sphere_mode, 0"
	fdo-mime_desktop_database_update
	fdo-mime_mime_database_update
}

pkg_postrm() {
	fdo-mime_desktop_database_update
	fdo-mime_mime_database_update
}