sci-chemistry/pymol: Fix desktop file, LICENSE and restrict values

Also port to eapi8

Thanks-to: Ulrich Müller
Closes: https://bugs.gentoo.org/844991
Signed-off-by: Pacho Ramos <pacho@gentoo.org>

sci-chemistry/pymol/pymol-2.5.0-r1.ebuild

@@ -0,0 +1,98 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..10} )
+DISTUTILS_USE_SETUPTOOLS=no
+
+inherit desktop flag-o-matic xdg distutils-r1
+
+DESCRIPTION="A Python-extensible molecular graphics system"
+HOMEPAGE="https://www.pymol.org/"
+SRC_URI="
+	https://dev.gentoo.org/~pacho/${PN}/${PN}-1.8.4.0.png.xz
+	https://github.com/schrodinger/pymol-open-source/archive/v${PV}.tar.gz -> ${P}.tar.gz
+	"
+LICENSE="BitstreamVera BSD freedist HPND OFL public-domain UoI-NCSA" #844991
+SLOT="0"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~x64-macos"
+IUSE="+netcdf web"
+
+DEPEND="
+	dev-libs/msgpack[cxx]
+	dev-libs/mmtf-cpp
+	dev-python/pyopengl[${PYTHON_USEDEP}]
+	dev-python/PyQt5[opengl,${PYTHON_USEDEP}]
+	dev-python/numpy[${PYTHON_USEDEP}]
+	dev-python/pmw[${PYTHON_USEDEP}]
+	media-libs/freetype:2
+	media-libs/glew:0=
+	media-libs/glm
+	media-libs/libpng:0=
+	media-video/mpeg-tools
+	sys-libs/zlib
+	netcdf? ( sci-libs/netcdf:0= )
+"
+RDEPEND="${DEPEND}
+	sci-chemistry/chemical-mime-data
+"
+
+S="${WORKDIR}"/${PN}-open-source-${PV}
+
+python_prepare_all() {
+	sed \
+		-e "s:\"/usr:\"${EPREFIX}/usr:g" \
+		-e "/ext_comp_args.*+=/s:\[.*\]$:\[\]:g" \
+		-i setup.py || die
+
+	sed \
+		-e "s:/opt/local:${EPREFIX}/usr:g" \
+		-e '/ext_comp_args/s:\[.*\]:[]:g' \
+		-i setup.py || die
+	sed \
+		-e "s:\['msgpackc'\]:\['msgpack'\]:g" \
+		-i setup.py || die
+
+	append-cxxflags -std=c++0x
+
+	use !netcdf && mydistutilsargs=( --no-vmd-plugins )
+
+	distutils-r1_python_prepare_all
+}
+
+python_install() {
+	distutils-r1_python_install \
+		--pymol-path="${EPREFIX}/usr/share/pymol"
+}
+
+python_install_all() {
+	distutils-r1_python_install_all
+
+	sed \
+		-e '1i#!/usr/bin/env python' \
+		"${D}/$(python_get_sitedir)"/pymol/__init__.py > "${T}"/${PN} || die
+
+	python_foreach_impl python_doscript "${T}"/${PN}
+
+	# These environment variables should not go in the wrapper script, or else
+	# it will be impossible to use the PyMOL libraries from Python.
+	cat >> "${T}"/20pymol <<- EOF || die
+		PYMOL_PATH="${EPREFIX}/usr/share/pymol"
+		PYMOL_DATA="${EPREFIX}/usr/share/pymol/data"
+		PYMOL_SCRIPTS="${EPREFIX}/usr/share/pymol/scripts"
+	EOF
+
+	doenvd "${T}"/20pymol
+
+	newicon "${WORKDIR}"/${PN}-1.8.4.0.png ${PN}.png
+	make_desktop_entry "${PN} %u"  PyMol ${PN} \
+		"Graphics;Education;Science;Chemistry;" \
+		"MimeType=chemical/x-pdb;chemical/x-mdl-molfile;chemical/x-mol2;chemical/seq-aa-fasta;chemical/seq-na-fasta;chemical/x-xyz;chemical/x-mdl-sdf;"
+
+	if ! use web; then
+		rm -rf "${D}/$(python_get_sitedir)/web" || die
+	fi
+
+	rm -f "${ED}"/usr/share/${PN}/LICENSE || die
+}