# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-chemistry/ccpn/ccpn-2.1.3.1_p100806.ebuild,v 1.6 2012/06/06 08:37:24 jlec Exp $

EAPI="3"
PYTHON_DEPEND="2:2.5"
SUPPORT_PYTHON_ABIS="1"
PYTHON_USE_WITH="ssl tk"

inherit eutils portability python toolchain-funcs versionator

PATCHSET="${PV##*_p}"
MY_PN="${PN}mr"
MY_PV="$(replace_version_separator 3 _ ${PV%%_p*})"

DESCRIPTION="The Collaborative Computing Project for NMR"
SRC_URI="http://www2.ccpn.ac.uk/download/${MY_PN}/analysis${MY_PV}.tar.gz"
	[[ -n ${PATCHSET} ]] && SRC_URI="${SRC_URI}	http://dev.gentoo.org/~jlec/distfiles/ccpn-update-${PATCHSET}.patch.bz2"
HOMEPAGE="http://www.ccpn.ac.uk/ccpn"

SLOT="0"
LICENSE="|| ( CCPN LGPL-2.1 )"
KEYWORDS="amd64 x86 ~amd64-linux ~x86-linux"
IUSE="+opengl"

RDEPEND="
	dev-lang/tk
	dev-python/numpy
	dev-tcltk/tix
	x11-libs/libXext
	x11-libs/libX11
	opengl? ( media-libs/freeglut )"
DEPEND="${RDEPEND}"
RESTRICT_PYTHON_ABIS="2.4 3.*"

RESTRICT="mirror"
S="${WORKDIR}"/${MY_PN}/${MY_PN}$(get_version_component_range 1-2 ${PV})

src_prepare() {
	[[ -n ${PATCHSET} ]] && \
		epatch "${WORKDIR}"/ccpn-update-${PATCHSET}.patch

	epatch "${FILESDIR}"/${MY_PV}-parallel.patch
	epatch "${FILESDIR}"/${MY_PV}-dynamics.patch
	epatch "${FILESDIR}"/${MY_PV}-impl-dec.patch

	local tk_ver
	local myconf

	tk_ver="$(best_version dev-lang/tk | cut -d- -f3 | cut -d. -f1,2)"

	if use opengl; then
		GLUT_NEED_INIT="-DNEED_GLUT_INIT"
		IGNORE_GL_FLAG=""
		GL_FLAG="-DUSE_GL_FALSE"
		GL_DIR="${EPREFIX}/usr"
		GL_LIB="-lglut -lGLU -lGL"
		GL_INCLUDE_FLAGS="-I\$(GL_DIR)/include"
		GL_LIB_FLAGS="-L\$(GL_DIR)/$(get_libdir)"

	else
		IGNORE_GL_FLAG="-DIGNORE_GL"
		GL_FLAG="-DUSE_GL_FALSE"
	fi

	GLUT_NOT_IN_GL=""
	GLUT_FLAG="\$(GLUT_NEED_INIT) \$(GLUT_NOT_IN_GL)"

	python_copy_sources

	preparation() {
		sed \
			-e "s|/usr|${EPREFIX}/usr|g" \
			-e "s|^\(CC =\).*|\1 $(tc-getCC)|g" \
			-e "s|^\(OPT_FLAG =\).*|\1 ${CFLAGS}|g" \
			-e "s|^\(LINK_FLAGS =.*\)|\1 ${LDFLAGS}|g" \
			-e "s|^\(IGNORE_GL_FLAG =\).*|\1 ${IGNORE_GL_FLAG}|g" \
			-e "s|^\(GL_FLAG =\).*|\1 ${GL_FLAG}|g" \
			-e "s|^\(GL_DIR =\).*|\1 ${GL_DIR}|g" \
			-e "s|^\(GL_LIB =\).*|\1 ${GL_LIB}|g" \
			-e "s|^\(GL_LIB_FLAGS =\).*|\1 ${GL_LIB_FLAGS}|g" \
			-e "s|^\(GL_INCLUDE_FLAGS =\).*|\1 ${GL_INCLUDE_FLAGS}|g" \
			-e "s|^\(GLUT_NEED_INIT =\).*|\1 ${GLUT_NEED_INIT}|g" \
			-e "s|^\(GLUT_NOT_IN_GL =\).*|\1|g" \
			-e "s|^\(X11_LIB_FLAGS =\).*|\1 -L${EPREFIX}/usr/$(get_libdir)|g" \
			-e "s|^\(TCL_LIB_FLAGS =\).*|\1 -L${EPREFIX}/usr/$(get_libdir)|g" \
			-e "s|^\(TK_LIB_FLAGS =\).*|\1 -L${EPREFIX}/usr/$(get_libdir)|g" \
			-e "s|^\(PYTHON_INCLUDE_FLAGS =\).*|\1 -I\$(PYTHON_DIR)/include/python$(python_get_version)|g" \
			-e "s|^\(PYTHON_LIB =\).*|\1 -lpython$(python_get_version)|g" \
			c/environment_default.txt > c/environment.txt
	}
	python_execute_function -s preparation
}

src_compile() {
	building() {
		emake -C c all links
	}
	python_execute_function -s building
}

src_install() {
	local libdir
	local tkver

	libdir=$(get_libdir)
	tkver=$(best_version dev-lang/tk | cut -d- -f3 | cut -d. -f1,2)

	for wrapper in analysis dangle dataShifter eci formatConverter pipe2azara; do
		sed -e "s|gentoo_sitedir|${EPREFIX}/$(python_get_sitedir -f)|g" \
		    -e "s|gentoolibdir|${EPREFIX}/usr/${libdir}|g" \
			-e "s|gentootk|${EPREFIX}/usr/${libdir}/tk${tkver}|g" \
			-e "s|gentootcl|${EPREFIX}/usr/${libdir}/tclk${tkver}|g" \
			-e "s|gentoopython|${EPREFIX}/usr/bin/python|g" \
		    "${FILESDIR}"/${wrapper} > "${T}"/${wrapper} || die "Fail fix ${wrapper}"
		dobin "${T}"/${wrapper} || die "Failed to install ${wrapper}"
	done

	installation() {
		local in_path
		local files

		in_path=$(python_get_sitedir)/${PN}

		for i in python/memops/format/compatibility/{Converters,part2/Converters2}.py; do
			sed \
				-e 's|#from __future__|from __future__|g' \
				-i ${i}
		done

		insinto ${in_path}

		dodir ${in_path}/c

		ebegin "Installing main files"
		doins -r data model python || die "main files installation failed"
		eend

		dohtml -r doc/* || die
		dosym ../../../../share/doc/${PF}/html ${in_path}/doc || die

		einfo "Adjusting permissions"

		files="ccpnmr/c/ContourFile.so
			ccpnmr/c/ContourLevels.so
			ccpnmr/c/ContourStyle.so
			ccpnmr/c/PeakList.so
			ccpnmr/c/SliceFile.so
			ccpnmr/c/WinPeakList.so
			ccpnmr/c/AtomCoordList.so
			ccpnmr/c/AtomCoord.so
			ccpnmr/c/Bacus.so
			ccpnmr/c/CloudUtil.so
			ccpnmr/c/DistConstraintList.so
			ccpnmr/c/DistConstraint.so
			ccpnmr/c/DistForce.so
			ccpnmr/c/Dynamics.so
			ccpnmr/c/Midge.so
			ccp/c/StructAtom.so
			ccp/c/StructBond.so
			ccp/c/StructStructure.so
			ccp/c/StructUtil.so
			memops/c/BlockFile.so
			memops/c/FitMethod.so
			memops/c/GlHandler.so
			memops/c/MemCache.so
			memops/c/PdfHandler.so
			memops/c/PsHandler.so
			memops/c/ShapeFile.so
			memops/c/StoreFile.so
			memops/c/StoreHandler.so
			memops/c/TkHandler.so"

		for FILE in ${files}; do
			fperms 755 ${in_path}/python/${FILE}
		done
	}
	python_execute_function -s installation
}

pkg_postinst() {
	python_mod_optimize ${PN}
}

pkg_postrm() {
	python_mod_cleanup ${PN}
}