Set sys.platform to linux2 even on linux3 (bug 375257).

(Portage version: 2.1.10.15/cvs/Linux x86_64)

4 files changed, 801 insertions, 1 deletions

diff --git a/dev-lang/python/ChangeLog b/dev-lang/python/ChangeLog
index 6ab28a62d97c..e6b052f9b0f0 100644
--- a/dev-lang/python/ChangeLog
+++ b/dev-lang/python/ChangeLog
@@ -1,6 +1,13 @@
 # ChangeLog for dev-lang/python
 # Copyright 1999-2011 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/dev-lang/python/ChangeLog,v 1.545 2011/09/16 13:26:26 djc Exp $
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/python/ChangeLog,v 1.546 2011/09/16 13:34:12 djc Exp $
+
+*python-3.1.4-r3 (16 Sep 2011)
+*python-2.7.2-r3 (16 Sep 2011)
+
+  16 Sep 2011; Dirkjan Ochtman <djc@gentoo.org> +files/linux2.patch,
+  +python-2.7.2-r3.ebuild, +python-3.1.4-r3.ebuild:
+  Set sys.platform to linux2 even on linux3 (bug 375257).
 
   16 Sep 2011; Dirkjan Ochtman <djc@gentoo.org> -python-2.6.5-r3.ebuild,
   -python-2.7.1-r2.ebuild:
diff --git a/dev-lang/python/files/linux2.patch b/dev-lang/python/files/linux2.patch
new file mode 100644
index 000000000000..c34142381878
--- /dev/null
+++ b/dev-lang/python/files/linux2.patch
@@ -0,0 +1,24 @@
+http://hg.python.org/cpython/rev/c816479f6aaf/
+diff --git a/configure b/configure
+--- a/configure
++++ b/configure
+@@ -2995,6 +2995,7 @@ then
+ 	MACHDEP="$ac_md_system$ac_md_release"
+ 
+ 	case $MACHDEP in
++	linux*) MACHDEP="linux2";;
+ 	cygwin*) MACHDEP="cygwin";;
+ 	darwin*) MACHDEP="darwin";;
+ 	atheos*) MACHDEP="atheos";;
+diff --git a/configure.in b/configure.in
+--- a/configure.in
++++ b/configure.in
+@@ -293,6 +293,7 @@ then
+ 	MACHDEP="$ac_md_system$ac_md_release"
+ 
+ 	case $MACHDEP in
++	linux*) MACHDEP="linux2";;
+ 	cygwin*) MACHDEP="cygwin";;
+ 	darwin*) MACHDEP="darwin";;
+ 	atheos*) MACHDEP="atheos";;
+
diff --git a/dev-lang/python/python-2.7.2-r3.ebuild b/dev-lang/python/python-2.7.2-r3.ebuild
new file mode 100644
index 000000000000..b2286f87c461
--- /dev/null
+++ b/dev-lang/python/python-2.7.2-r3.ebuild
@@ -0,0 +1,402 @@
+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/python/python-2.7.2-r3.ebuild,v 1.1 2011/09/16 13:34:12 djc Exp $
+
+EAPI="2"
+WANT_AUTOMAKE="none"
+
+inherit autotools eutils flag-o-matic multilib python toolchain-funcs
+
+if [[ "${PV}" == *_pre* ]]; then
+	inherit mercurial
+
+	EHG_REPO_URI="http://hg.python.org/cpython"
+	EHG_REVISION=""
+else
+	MY_PV="${PV%_p*}"
+	MY_P="Python-${MY_PV}"
+fi
+
+PATCHSET_REVISION="0"
+
+DESCRIPTION="Python is an interpreted, interactive, object-oriented programming language."
+HOMEPAGE="http://www.python.org/"
+if [[ "${PV}" == *_pre* ]]; then
+	SRC_URI=""
+else
+	SRC_URI="http://www.python.org/ftp/python/${MY_PV}/${MY_P}.tar.bz2
+		mirror://gentoo/python-gentoo-patches-${MY_PV}$([[ "${PATCHSET_REVISION}" != "0" ]] && echo "-r${PATCHSET_REVISION}").tar.bz2"
+fi
+
+LICENSE="PSF-2"
+SLOT="2.7"
+PYTHON_ABI="${SLOT}"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~sparc-fbsd ~x86-fbsd"
+IUSE="-berkdb build doc elibc_uclibc examples gdbm ipv6 +ncurses +readline sqlite +ssl +threads tk +wide-unicode wininst +xml"
+
+RDEPEND=">=app-admin/eselect-python-20091230
+		app-arch/bzip2
+		>=sys-libs/zlib-1.1.3
+		virtual/libffi
+		virtual/libintl
+		!build? (
+			berkdb? ( || (
+				sys-libs/db:4.8
+				sys-libs/db:4.7
+				sys-libs/db:4.6
+				sys-libs/db:4.5
+				sys-libs/db:4.4
+				sys-libs/db:4.3
+				sys-libs/db:4.2
+			) )
+			gdbm? ( sys-libs/gdbm )
+			ncurses? (
+				>=sys-libs/ncurses-5.2
+				readline? ( >=sys-libs/readline-4.1 )
+			)
+			sqlite? ( >=dev-db/sqlite-3.3.8:3[extensions] )
+			ssl? ( dev-libs/openssl )
+			tk? (
+				>=dev-lang/tk-8.0
+				dev-tcltk/blt
+			)
+			xml? ( >=dev-libs/expat-2 )
+		)
+		!!<sys-apps/portage-2.1.9"
+DEPEND=">=sys-devel/autoconf-2.65
+		${RDEPEND}
+		$([[ "${PV}" == *_pre* ]] && echo "=${CATEGORY}/${PN}-${PV%%.*}*")
+		dev-util/pkgconfig
+		$([[ "${PV}" =~ ^[[:digit:]]+\.[[:digit:]]+_pre ]] && echo "doc? ( dev-python/sphinx )")
+		!sys-devel/gcc[libffi]"
+RDEPEND+=" !build? ( app-misc/mime-types )
+		$([[ "${PV}" =~ ^[[:digit:]]+\.[[:digit:]]+_pre ]] || echo "doc? ( dev-python/python-docs:${SLOT} )")"
+PDEPEND="app-admin/python-updater"
+
+if [[ "${PV}" != *_pre* ]]; then
+	S="${WORKDIR}/${MY_P}"
+fi
+
+pkg_setup() {
+	python_pkg_setup
+
+	if use berkdb; then
+		ewarn "\"bsddb\" module is out-of-date and no longer maintained inside dev-lang/python."
+		ewarn "\"bsddb\" and \"dbhash\" modules have been additionally removed in Python 3."
+		ewarn "You should use external, still maintained \"bsddb3\" module provided by dev-python/bsddb3,"
+		ewarn "which supports both Python 2 and Python 3."
+	else
+		if has_version "=${CATEGORY}/${PN}-${PV%%.*}*[berkdb]"; then
+			ewarn "You are migrating from =${CATEGORY}/${PN}-${PV%%.*}*[berkdb] to =${CATEGORY}/${PN}-${PV%%.*}*[-berkdb]."
+			ewarn "You might need to migrate your databases."
+		fi
+	fi
+}
+
+src_prepare() {
+	# Ensure that internal copies of expat, libffi and zlib are not used.
+	rm -fr Modules/expat
+	rm -fr Modules/_ctypes/libffi*
+	rm -fr Modules/zlib
+
+	if [[ "${PV}" =~ ^[[:digit:]]+\.[[:digit:]]+_pre ]]; then
+		if [[ "$(hg branch)" != "default" ]]; then
+			die "Invalid EHG_REVISION"
+		fi
+	fi
+
+	if [[ "${PV}" =~ ^[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+_pre ]]; then
+		if [[ "$(hg branch)" != "${SLOT}" ]]; then
+			die "Invalid EHG_REVISION"
+		fi
+
+		if grep -Eq '#define PY_RELEASE_LEVEL[[:space:]]+PY_RELEASE_LEVEL_FINAL' Include/patchlevel.h; then
+			# Update micro version, release level and version string.
+			local micro_version="${PV%_pre*}"
+			micro_version="${micro_version##*.}"
+			local version_string="${PV%.*}.$((${micro_version} - 1))+"
+			sed \
+				-e "s/\(#define PY_MICRO_VERSION[[:space:]]\+\)[^[:space:]]\+/\1${micro_version}/" \
+				-e "s/\(#define PY_RELEASE_LEVEL[[:space:]]\+\)[^[:space:]]\+/\1PY_RELEASE_LEVEL_ALPHA/" \
+				-e "s/\(#define PY_VERSION[[:space:]]\+\"\)[^\"]\+\(\"\)/\1${version_string}\2/" \
+				-i Include/patchlevel.h || die "sed failed"
+		fi
+	fi
+
+	local excluded_patches
+	if ! tc-is-cross-compiler; then
+		excluded_patches="*_all_crosscompile.patch"
+	fi
+
+	local patchset_dir
+	if [[ "${PV}" == *_pre* ]]; then
+		patchset_dir="${FILESDIR}/${SLOT}-${PATCHSET_REVISION}"
+	else
+		patchset_dir="${WORKDIR}/${MY_PV}"
+	fi
+
+	EPATCH_EXCLUDE="${excluded_patches}" EPATCH_SUFFIX="patch" epatch "${patchset_dir}"
+	epatch "${FILESDIR}/linux2.patch"
+
+	sed -i -e "s:@@GENTOO_LIBDIR@@:$(get_libdir):g" \
+		Lib/distutils/command/install.py \
+		Lib/distutils/sysconfig.py \
+		Lib/site.py \
+		Lib/sysconfig.py \
+		Lib/test/test_site.py \
+		Makefile.pre.in \
+		Modules/Setup.dist \
+		Modules/getpath.c \
+		setup.py || die "sed failed to replace @@GENTOO_LIBDIR@@"
+
+	#Linux-3 compat. Bug #374579 (upstream issue12571)
+	if use kernel_linux; then
+		cp -r "${S}/Lib/plat-linux2" "${S}/Lib/plat-linux3" || die "copy plat-linux failed"
+	fi
+
+	eautoreconf
+}
+
+src_configure() {
+	if use build; then
+		# Disable extraneous modules with extra dependencies.
+		export PYTHON_DISABLE_MODULES="dbm _bsddb gdbm _curses _curses_panel readline _sqlite3 _tkinter _elementtree pyexpat"
+		export PYTHON_DISABLE_SSL="1"
+	else
+		# dbm module can be linked against berkdb or gdbm.
+		# Defaults to gdbm when both are enabled, #204343.
+		local disable
+		use berkdb   || use gdbm || disable+=" dbm"
+		use berkdb   || disable+=" _bsddb"
+		use gdbm     || disable+=" gdbm"
+		use ncurses  || disable+=" _curses _curses_panel"
+		use readline || disable+=" readline"
+		use sqlite   || disable+=" _sqlite3"
+		use ssl      || export PYTHON_DISABLE_SSL="1"
+		use tk       || disable+=" _tkinter"
+		use xml      || disable+=" _elementtree pyexpat" # _elementtree uses pyexpat.
+		export PYTHON_DISABLE_MODULES="${disable}"
+
+		if ! use xml; then
+			ewarn "You have configured Python without XML support."
+			ewarn "This is NOT a recommended configuration as you"
+			ewarn "may face problems parsing any XML documents."
+		fi
+	fi
+
+	if [[ -n "${PYTHON_DISABLE_MODULES}" ]]; then
+		einfo "Disabled modules: ${PYTHON_DISABLE_MODULES}"
+	fi
+
+	if [[ "$(gcc-major-version)" -ge 4 ]]; then
+		append-flags -fwrapv
+	fi
+
+	filter-flags -malign-double
+
+	[[ "${ARCH}" == "alpha" ]] && append-flags -fPIC
+
+	# https://bugs.gentoo.org/show_bug.cgi?id=50309
+	if is-flagq -O3; then
+		is-flagq -fstack-protector-all && replace-flags -O3 -O2
+		use hardened && replace-flags -O3 -O2
+	fi
+
+	if tc-is-cross-compiler; then
+		OPT="-O1" CFLAGS="" LDFLAGS="" CC="" \
+		./configure --{build,host}=${CBUILD} || die "cross-configure failed"
+		emake python Parser/pgen || die "cross-make failed"
+		mv python hostpython
+		mv Parser/pgen Parser/hostpgen
+		make distclean
+		sed -i \
+			-e "/^HOSTPYTHON/s:=.*:=./hostpython:" \
+			-e "/^HOSTPGEN/s:=.*:=./Parser/hostpgen:" \
+			Makefile.pre.in || die "sed failed"
+	fi
+
+	# Export CXX so it ends up in /usr/lib/python2.X/config/Makefile.
+	tc-export CXX
+
+	# Set LDFLAGS so we link modules with -lpython2.7 correctly.
+	# Needed on FreeBSD unless Python 2.7 is already installed.
+	# Please query BSD team before removing this!
+	append-ldflags "-L."
+
+	local dbmliborder
+	if use gdbm; then
+		dbmliborder+="${dbmliborder:+:}gdbm"
+	fi
+	if use berkdb; then
+		dbmliborder+="${dbmliborder:+:}bdb"
+	fi
+
+	OPT="" econf \
+		--with-fpectl \
+		--enable-shared \
+		$(use_enable ipv6) \
+		$(use_with threads) \
+		$(use wide-unicode && echo "--enable-unicode=ucs4" || echo "--enable-unicode=ucs2") \
+		--infodir='${prefix}/share/info' \
+		--mandir='${prefix}/share/man' \
+		--with-dbmliborder="${dbmliborder}" \
+		--with-libc="" \
+		--enable-loadable-sqlite-extensions \
+		--with-system-expat \
+		--with-system-ffi
+}
+
+src_compile() {
+	emake EPYTHON="python${PV%%.*}" || die "emake failed"
+}
+
+src_test() {
+	# Tests will not work when cross compiling.
+	if tc-is-cross-compiler; then
+		elog "Disabling tests due to crosscompiling."
+		return
+	fi
+
+	# Byte compiling should be enabled here.
+	# Otherwise test_import fails.
+	python_enable_pyc
+
+	# Skip failing tests.
+	local skipped_tests="distutils gdb"
+
+	for test in ${skipped_tests}; do
+		mv "${S}/Lib/test/test_${test}.py" "${T}"
+	done
+
+	# Rerun failed tests in verbose mode (regrtest -w).
+	emake test EXTRATESTOPTS="-w" < /dev/tty
+	local result="$?"
+
+	for test in ${skipped_tests}; do
+		mv "${T}/test_${test}.py" "${S}/Lib/test/test_${test}.py"
+	done
+
+	elog "The following tests have been skipped:"
+	for test in ${skipped_tests}; do
+		elog "test_${test}.py"
+	done
+
+	elog "If you would like to run them, you may:"
+	elog "cd '${EPREFIX}$(python_get_libdir)/test'"
+	elog "and run the tests separately."
+
+	python_disable_pyc
+
+	if [[ "${result}" -ne 0 ]]; then
+		die "emake test failed"
+	fi
+}
+
+src_install() {
+	[[ -z "${ED}" ]] && ED="${D%/}${EPREFIX}/"
+
+	emake DESTDIR="${D}" altinstall maninstall || die "emake altinstall maninstall failed"
+	python_clean_installation_image -q
+
+	sed -e "s/\(LDFLAGS=\).*/\1/" -i "${ED}$(python_get_libdir)/config/Makefile" || die "sed failed"
+
+	mv "${ED}usr/bin/python${SLOT}-config" "${ED}usr/bin/python-config-${SLOT}"
+
+	# Fix collisions between different slots of Python.
+	mv "${ED}usr/bin/2to3" "${ED}usr/bin/2to3-${SLOT}"
+	mv "${ED}usr/bin/pydoc" "${ED}usr/bin/pydoc${SLOT}"
+	mv "${ED}usr/bin/idle" "${ED}usr/bin/idle${SLOT}"
+	rm -f "${ED}usr/bin/smtpd.py"
+
+	if use build; then
+		rm -fr "${ED}usr/bin/idle${SLOT}" "${ED}$(python_get_libdir)/"{bsddb,dbhash.py,idlelib,lib-tk,sqlite3,test}
+	else
+		use elibc_uclibc && rm -fr "${ED}$(python_get_libdir)/"{bsddb/test,test}
+		use berkdb || rm -fr "${ED}$(python_get_libdir)/"{bsddb,dbhash.py,test/test_bsddb*}
+		use sqlite || rm -fr "${ED}$(python_get_libdir)/"{sqlite3,test/test_sqlite*}
+		use tk || rm -fr "${ED}usr/bin/idle${SLOT}" "${ED}$(python_get_libdir)/"{idlelib,lib-tk}
+	fi
+
+	use threads || rm -fr "${ED}$(python_get_libdir)/multiprocessing"
+	use wininst || rm -f "${ED}$(python_get_libdir)/distutils/command/"wininst-*.exe
+
+	dodoc Misc/{ACKS,HISTORY,NEWS} || die "dodoc failed"
+
+	if use examples; then
+		insinto /usr/share/doc/${PF}/examples
+		doins -r "${S}/Tools" || die "doins failed"
+	fi
+
+	newconfd "${FILESDIR}/pydoc.conf" pydoc-${SLOT} || die "newconfd failed"
+	newinitd "${FILESDIR}/pydoc.init" pydoc-${SLOT} || die "newinitd failed"
+
+	if use kernel_linux; then
+		if [ -d "${ED}$(python_get_libdir)/plat-linux2" ];then
+			cp -r "${ED}$(python_get_libdir)/plat-linux2" \
+				"${ED}$(python_get_libdir)/plat-linux3" || die "copy plat-linux failed"
+		else
+			cp -r "${ED}$(python_get_libdir)/plat-linux3" \
+				"${ED}$(python_get_libdir)/plat-linux2" || die "copy plat-linux failed"
+		fi
+	fi
+
+	sed \
+		-e "s:@PYDOC_PORT_VARIABLE@:PYDOC${SLOT/./_}_PORT:" \
+		-e "s:@PYDOC@:pydoc${SLOT}:" \
+		-i "${ED}etc/conf.d/pydoc-${SLOT}" "${ED}etc/init.d/pydoc-${SLOT}" || die "sed failed"
+}
+
+pkg_preinst() {
+	if has_version "<${CATEGORY}/${PN}-${SLOT}" && ! has_version "${CATEGORY}/${PN}:2.7"; then
+		python_updater_warning="1"
+	fi
+}
+
+eselect_python_update() {
+	[[ -z "${EROOT}" || (! -d "${EROOT}" && -d "${ROOT}") ]] && EROOT="${ROOT%/}${EPREFIX}/"
+
+	if [[ -z "$(eselect python show)" || ! -f "${EROOT}usr/bin/$(eselect python show)" ]]; then
+		eselect python update
+	fi
+
+	if [[ -z "$(eselect python show --python${PV%%.*})" || ! -f "${EROOT}usr/bin/$(eselect python show --python${PV%%.*})" ]]; then
+		eselect python update --python${PV%%.*}
+	fi
+}
+
+pkg_postinst() {
+	eselect_python_update
+
+	python_mod_optimize -f -x "/(site-packages|test|tests)/" $(python_get_libdir)
+
+	if [[ "${python_updater_warning}" == "1" ]]; then
+		ewarn
+		ewarn "\e[1;31m************************************************************************\e[0m"
+		ewarn
+		ewarn "You have just upgraded from an older version of Python."
+		ewarn "You should switch active version of Python ${PV%%.*} and run"
+		ewarn "'python-updater \${options}' to rebuild Python modules."
+		ewarn
+		ewarn "\e[1;31m************************************************************************\e[0m"
+		ewarn
+
+		local n
+		for ((n = 0; n < 12; n++)); do
+			echo -ne "\a"
+			sleep 1
+		done
+	fi
+
+	if [[ "${PV}" != *_pre* ]]; then
+		elog
+		elog "If you want to help in testing of recent changes in Python, then you can use"
+		elog "snapshots of Python from python overlay."
+		elog
+	fi
+}
+
+pkg_postrm() {
+	eselect_python_update
+
+	python_mod_cleanup $(python_get_libdir)
+}
diff --git a/dev-lang/python/python-3.1.4-r3.ebuild b/dev-lang/python/python-3.1.4-r3.ebuild
new file mode 100644
index 000000000000..59eec12dfed7
--- /dev/null
+++ b/dev-lang/python/python-3.1.4-r3.ebuild
@@ -0,0 +1,367 @@
+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/python/python-3.1.4-r3.ebuild,v 1.1 2011/09/16 13:34:12 djc Exp $
+
+EAPI="3"
+WANT_AUTOMAKE="none"
+
+inherit autotools eutils flag-o-matic multilib python toolchain-funcs
+
+if [[ "${PV}" == *_pre* ]]; then
+	inherit mercurial
+
+	EHG_REPO_URI="http://hg.python.org/cpython"
+	EHG_REVISION=""
+else
+	MY_PV="${PV%_p*}"
+	MY_P="Python-${MY_PV}"
+fi
+
+PATCHSET_REVISION="0"
+
+DESCRIPTION="Python is an interpreted, interactive, object-oriented programming language."
+HOMEPAGE="http://www.python.org/"
+if [[ "${PV}" == *_pre* ]]; then
+	SRC_URI=""
+else
+	SRC_URI="http://www.python.org/ftp/python/${MY_PV}/${MY_P}.tar.xz
+		mirror://gentoo/python-gentoo-patches-${MY_PV}$([[ "${PATCHSET_REVISION}" != "0" ]] && echo "-r${PATCHSET_REVISION}").tar.bz2"
+fi
+
+LICENSE="PSF-2"
+SLOT="3.1"
+PYTHON_ABI="${SLOT}"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~sparc-fbsd ~x86-fbsd"
+IUSE="build doc elibc_uclibc examples gdbm ipv6 +ncurses +readline sqlite +ssl +threads tk +wide-unicode wininst +xml"
+
+RDEPEND=">=app-admin/eselect-python-20091230
+		app-arch/bzip2
+		>=sys-libs/zlib-1.1.3
+		virtual/libffi
+		virtual/libintl
+		!build? (
+			gdbm? ( sys-libs/gdbm )
+			ncurses? (
+				>=sys-libs/ncurses-5.2
+				readline? ( >=sys-libs/readline-4.1 )
+			)
+			sqlite? ( >=dev-db/sqlite-3.3.3:3 )
+			ssl? ( dev-libs/openssl )
+			tk? (
+				>=dev-lang/tk-8.0
+				dev-tcltk/blt
+			)
+			xml? ( >=dev-libs/expat-2 )
+		)"
+DEPEND="${RDEPEND}
+		$([[ "${PV}" == *_pre* ]] && echo "=${CATEGORY}/${PN}-${PV%%.*}*")
+		dev-util/pkgconfig
+		$([[ "${PV}" =~ ^[[:digit:]]+\.[[:digit:]]+_pre ]] && echo "doc? ( dev-python/sphinx )")
+		!sys-devel/gcc[libffi]"
+RDEPEND+=" !build? ( app-misc/mime-types )
+		$([[ "${PV}" =~ ^[[:digit:]]+\.[[:digit:]]+_pre ]] || echo "doc? ( dev-python/python-docs:${SLOT} )")"
+PDEPEND="app-admin/python-updater"
+
+if [[ "${PV}" != *_pre* ]]; then
+	S="${WORKDIR}/${MY_P}"
+fi
+
+pkg_setup() {
+	python_pkg_setup
+}
+
+src_prepare() {
+	# Ensure that internal copies of expat, libffi and zlib are not used.
+	rm -fr Modules/expat
+	rm -fr Modules/_ctypes/libffi*
+	rm -fr Modules/zlib
+
+	if [[ "${PV}" =~ ^[[:digit:]]+\.[[:digit:]]+_pre ]]; then
+		if [[ "$(hg branch)" != "default" ]]; then
+			die "Invalid EHG_REVISION"
+		fi
+	fi
+
+	if [[ "${PV}" =~ ^[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+_pre ]]; then
+		if [[ "$(hg branch)" != "${SLOT}" ]]; then
+			die "Invalid EHG_REVISION"
+		fi
+
+		if grep -Eq '#define PY_RELEASE_LEVEL[[:space:]]+PY_RELEASE_LEVEL_FINAL' Include/patchlevel.h; then
+			# Update micro version, release level and version string.
+			local micro_version="${PV%_pre*}"
+			micro_version="${micro_version##*.}"
+			local version_string="${PV%.*}.$((${micro_version} - 1))+"
+			sed \
+				-e "s/\(#define PY_MICRO_VERSION[[:space:]]\+\)[^[:space:]]\+/\1${micro_version}/" \
+				-e "s/\(#define PY_RELEASE_LEVEL[[:space:]]\+\)[^[:space:]]\+/\1PY_RELEASE_LEVEL_ALPHA/" \
+				-e "s/\(#define PY_VERSION[[:space:]]\+\"\)[^\"]\+\(\"\)/\1${version_string}\2/" \
+				-i Include/patchlevel.h || die "sed failed"
+		fi
+	fi
+
+	local excluded_patches
+	if ! tc-is-cross-compiler; then
+		excluded_patches="*_all_crosscompile.patch"
+	fi
+
+	local patchset_dir
+	if [[ "${PV}" == *_pre* ]]; then
+		patchset_dir="${FILESDIR}/${SLOT}-${PATCHSET_REVISION}"
+	else
+		patchset_dir="${WORKDIR}/${MY_PV}"
+	fi
+
+	EPATCH_EXCLUDE="${excluded_patches}" EPATCH_SUFFIX="patch" epatch "${patchset_dir}"
+	epatch "${FILESDIR}/linux2.patch"
+
+	#Linux-3 compat. Bug #374579 (upstream issue12571)
+	if use kernel_linux; then
+		cp -r "${S}/Lib/plat-linux2" "${S}/Lib/plat-linux3" || die "copy plat-linux failed"
+	fi
+
+	sed -i -e "s:@@GENTOO_LIBDIR@@:$(get_libdir):g" \
+		Lib/distutils/command/install.py \
+		Lib/distutils/sysconfig.py \
+		Lib/site.py \
+		Makefile.pre.in \
+		Modules/Setup.dist \
+		Modules/getpath.c \
+		setup.py || die "sed failed to replace @@GENTOO_LIBDIR@@"
+
+	eautoreconf
+}
+
+src_configure() {
+	if use build; then
+		# Disable extraneous modules with extra dependencies.
+		export PYTHON_DISABLE_MODULES="gdbm _curses _curses_panel readline _sqlite3 _tkinter _elementtree pyexpat"
+		export PYTHON_DISABLE_SSL="1"
+	else
+		local disable
+		use gdbm     || disable+=" gdbm"
+		use ncurses  || disable+=" _curses _curses_panel"
+		use readline || disable+=" readline"
+		use sqlite   || disable+=" _sqlite3"
+		use ssl      || export PYTHON_DISABLE_SSL="1"
+		use tk       || disable+=" _tkinter"
+		use xml      || disable+=" _elementtree pyexpat" # _elementtree uses pyexpat.
+		export PYTHON_DISABLE_MODULES="${disable}"
+
+		if ! use xml; then
+			ewarn "You have configured Python without XML support."
+			ewarn "This is NOT a recommended configuration as you"
+			ewarn "may face problems parsing any XML documents."
+		fi
+	fi
+
+	if [[ -n "${PYTHON_DISABLE_MODULES}" ]]; then
+		einfo "Disabled modules: ${PYTHON_DISABLE_MODULES}"
+	fi
+
+	if [[ "$(gcc-major-version)" -ge 4 ]]; then
+		append-flags -fwrapv
+	fi
+
+	filter-flags -malign-double
+
+	[[ "${ARCH}" == "alpha" ]] && append-flags -fPIC
+
+	# https://bugs.gentoo.org/show_bug.cgi?id=50309
+	if is-flagq -O3; then
+		is-flagq -fstack-protector-all && replace-flags -O3 -O2
+		use hardened && replace-flags -O3 -O2
+	fi
+
+	if tc-is-cross-compiler; then
+		OPT="-O1" CFLAGS="" LDFLAGS="" CC="" \
+		./configure --{build,host}=${CBUILD} || die "cross-configure failed"
+		emake python Parser/pgen || die "cross-make failed"
+		mv python hostpython
+		mv Parser/pgen Parser/hostpgen
+		make distclean
+		sed -i \
+			-e "/^HOSTPYTHON/s:=.*:=./hostpython:" \
+			-e "/^HOSTPGEN/s:=.*:=./Parser/hostpgen:" \
+			Makefile.pre.in || die "sed failed"
+	fi
+
+	# Export CXX so it ends up in /usr/lib/python3.X/config/Makefile.
+	tc-export CXX
+
+	# Set LDFLAGS so we link modules with -lpython3.1 correctly.
+	# Needed on FreeBSD unless Python 3.1 is already installed.
+	# Please query BSD team before removing this!
+	append-ldflags "-L."
+
+	local dbmliborder
+	if use gdbm; then
+		dbmliborder+="${dbmliborder:+:}gdbm"
+	fi
+
+	OPT="" econf \
+		--with-fpectl \
+		--enable-shared \
+		$(use_enable ipv6) \
+		$(use_with threads) \
+		$(use_with wide-unicode) \
+		--infodir='${prefix}/share/info' \
+		--mandir='${prefix}/share/man' \
+		--with-computed-gotos \
+		--with-dbmliborder="${dbmliborder}" \
+		--with-libc="" \
+		--with-system-ffi
+}
+
+src_compile() {
+	emake EPYTHON="python${PV%%.*}" || die "emake failed"
+}
+
+src_test() {
+	# Tests will not work when cross compiling.
+	if tc-is-cross-compiler; then
+		elog "Disabling tests due to crosscompiling."
+		return
+	fi
+
+	if ! use threads; then
+		ewarn "Disabling tests due to USE=\"-threads\""
+		return
+	fi
+
+	# Byte compiling should be enabled here.
+	# Otherwise test_import fails.
+	python_enable_pyc
+
+	# Skip failing tests.
+	local skipped_tests="distutils"
+
+	for test in ${skipped_tests}; do
+		mv "${S}/Lib/test/test_${test}.py" "${T}"
+	done
+
+	# Rerun failed tests in verbose mode (regrtest -w).
+	emake test EXTRATESTOPTS="-w" < /dev/tty
+	local result="$?"
+
+	for test in ${skipped_tests}; do
+		mv "${T}/test_${test}.py" "${S}/Lib/test/test_${test}.py"
+	done
+
+	elog "The following tests have been skipped:"
+	for test in ${skipped_tests}; do
+		elog "test_${test}.py"
+	done
+
+	elog "If you would like to run them, you may:"
+	elog "cd '${EPREFIX}$(python_get_libdir)/test'"
+	elog "and run the tests separately."
+
+	python_disable_pyc
+
+	if [[ "${result}" -ne 0 ]]; then
+		die "emake test failed"
+	fi
+}
+
+src_install() {
+	emake DESTDIR="${D}" altinstall || die "emake altinstall failed"
+	python_clean_installation_image -q
+
+	mv "${ED}usr/bin/python${SLOT}-config" "${ED}usr/bin/python-config-${SLOT}"
+
+	# Fix collisions between different slots of Python.
+	mv "${ED}usr/bin/2to3" "${ED}usr/bin/2to3-${SLOT}"
+	mv "${ED}usr/bin/pydoc3" "${ED}usr/bin/pydoc${SLOT}"
+	mv "${ED}usr/bin/idle3" "${ED}usr/bin/idle${SLOT}"
+	rm -f "${ED}usr/bin/smtpd.py"
+
+	if use build; then
+		rm -fr "${ED}usr/bin/idle${SLOT}" "${ED}$(python_get_libdir)/"{idlelib,sqlite3,test,tkinter}
+	else
+		use elibc_uclibc && rm -fr "${ED}$(python_get_libdir)/test"
+		use sqlite || rm -fr "${ED}$(python_get_libdir)/"{sqlite3,test/test_sqlite*}
+		use tk || rm -fr "${ED}usr/bin/idle${SLOT}" "${ED}$(python_get_libdir)/"{idlelib,tkinter,test/test_tk*}
+	fi
+
+	use threads || rm -fr "${ED}$(python_get_libdir)/multiprocessing"
+	use wininst || rm -f "${ED}$(python_get_libdir)/distutils/command/"wininst-*.exe
+
+	dodoc Misc/{ACKS,HISTORY,NEWS} || die "dodoc failed"
+
+	if use examples; then
+		insinto /usr/share/doc/${PF}/examples
+		doins -r "${S}/Tools" || die "doins failed"
+	fi
+
+	newconfd "${FILESDIR}/pydoc.conf" pydoc-${SLOT} || die "newconfd failed"
+	newinitd "${FILESDIR}/pydoc.init" pydoc-${SLOT} || die "newinitd failed"
+
+	if use kernel_linux; then
+		if [ -d "${ED}$(python_get_libdir)/plat-linux2" ];then
+			cp -r "${ED}$(python_get_libdir)/plat-linux2" \
+				"${ED}$(python_get_libdir)/plat-linux3" || die "copy plat-linux failed"
+		else
+			cp -r "${ED}$(python_get_libdir)/plat-linux3" \
+				"${ED}$(python_get_libdir)/plat-linux2" || die "copy plat-linux failed"
+		fi
+	fi
+
+	sed \
+		-e "s:@PYDOC_PORT_VARIABLE@:PYDOC${SLOT/./_}_PORT:" \
+		-e "s:@PYDOC@:pydoc${SLOT}:" \
+		-i "${ED}etc/conf.d/pydoc-${SLOT}" "${ED}etc/init.d/pydoc-${SLOT}" || die "sed failed"
+}
+
+pkg_preinst() {
+	if has_version "<${CATEGORY}/${PN}-${SLOT}" && ! has_version ">=${CATEGORY}/${PN}-${SLOT}_alpha"; then
+		python_updater_warning="1"
+	fi
+}
+
+eselect_python_update() {
+	if [[ -z "$(eselect python show)" || ! -f "${EROOT}usr/bin/$(eselect python show)" ]]; then
+		eselect python update
+	fi
+
+	if [[ -z "$(eselect python show --python${PV%%.*})" || ! -f "${EROOT}usr/bin/$(eselect python show --python${PV%%.*})" ]]; then
+		eselect python update --python${PV%%.*}
+	fi
+}
+
+pkg_postinst() {
+	eselect_python_update
+
+	python_mod_optimize -f -x "/(site-packages|test|tests)/" $(python_get_libdir)
+
+	if [[ "${python_updater_warning}" == "1" ]]; then
+		ewarn
+		ewarn "\e[1;31m************************************************************************\e[0m"
+		ewarn
+		ewarn "You have just upgraded from an older version of Python."
+		ewarn "You should switch active version of Python ${PV%%.*} and run"
+		ewarn "'python-updater \${options}' to rebuild Python modules."
+		ewarn
+		ewarn "\e[1;31m************************************************************************\e[0m"
+		ewarn
+
+		local n
+		for ((n = 0; n < 12; n++)); do
+			echo -ne "\a"
+			sleep 1
+		done
+	fi
+
+	if [[ "${PV}" != *_pre* ]]; then
+		elog
+		elog "If you want to help in testing of recent changes in Python, then you can use"
+		elog "snapshots of Python from python overlay."
+		elog
+	fi
+}
+
+pkg_postrm() {
+	eselect_python_update
+
+	python_mod_cleanup $(python_get_libdir)
+}