[gentoo-commits] repo/proj/prefix:master commit in: dev-lang/python/

[Fabian Groffen]

commit:     4bfa0c5514b4aa4d088ddfeb100db0a5f8dbca0e
Author:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
AuthorDate: Fri Jan  1 17:46:23 2021 +0000
Commit:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
CommitDate: Fri Jan  1 17:46:23 2021 +0000
URL:        https://gitweb.gentoo.org/repo/proj/prefix.git/commit/?id=4bfa0c55

dev-lang/python-3.8.7: bump version

Package-Manager: Portage-3.0.12-prefix, Repoman-3.0.2
Signed-off-by: Fabian Groffen <grobian <AT> gentoo.org>

 dev-lang/python/Manifest            |   3 +
 dev-lang/python/python-3.8.7.ebuild | 433 ++++++++++++++++++++++++++++++++++++
 2 files changed, 436 insertions(+)

diff --git a/dev-lang/python/Manifest b/dev-lang/python/Manifest
index 9d76c62e26..045a9e220c 100644
--- a/dev-lang/python/Manifest
+++ b/dev-lang/python/Manifest
@@ -1,11 +1,14 @@
 DIST Python-2.7.16.tar.xz 12752104 BLAKE2B 7d6b5b853f9974d44e04dd35ecdffaab87511e183b4b01dd4f8f4ee109c4b4ab208f045708f69717be9d3a706aa078b71438ed482c062c0b89c12730eae074ae SHA512 16e814e8dcffc707b595ca2919bd2fa3db0d15794c63d977364652c4a5b92e90e72b8c9e1cc83b5020398bd90a1b397dbdd7cb931c49f1aa4af6ef95414b43e0
 DIST Python-3.7.8.tar.xz 17399552 BLAKE2B 4bf6c47b1132b6d31a79232002c4d38e2cd123ac05d52b21d6bfba5a4e19ec9130b8df8698d5ce6627e4297c4cf756643f036e694e36364c235306c72ef34bf8 SHA512 d2ba299e3cf8ed0f8fed9317f42bcd8d9af7e0e6175939b4be1be289c1658418bed17899e2608d762ffb15575021956cf6bf2054d7863c04b3bd7642f5b8c7ea
 DIST Python-3.8.6.tar.xz 18233864 BLAKE2B c8a8ef6055e344dda30eb808804cfa62016b4f840257cffd5a495e5932f5696e50579d49b8181a487c9cd4a89bdb95656e80981039783a21d20f7980aa2c9883 SHA512 22faec84f6e172e1ac7c6bd6fd37e9b6ae4afc91cf5136aa8cac8ebbed8d18793f9196e8749b8ccc43447cb6c41cb450f65ea72dd363c06dfaeb14e0455f5560
+DIST Python-3.8.7.tar.xz 18261096 BLAKE2B 6ac20efef41e828cb796aabcb7808400d494b9b48759950c8c15ee90762394f6763163d8e37ab407c1c79ebb9cda09189eaa969a75f96c86a96ccee962443924 SHA512 6a27d8eab3076930df46b0cf127f9b664f8d4147349b2b98132f464deb7f69d87e0167e8ee8e6c64249125ad73760d965ecbc81c252b63a1e7aac95594c62b74
 DIST python-gentoo-patches-2.7.16.tar.xz 13904 BLAKE2B 218b46f8656f4a792dcd47eabca6d59a1558276b77676544991ee75914cd76dda84c36f43e72e477b850dd4cb52374d289f20dccd244a3b52ae5debaf3363432 SHA512 83f90545231c663a34c6925352a357a2b15997ac0362578a1893304c5070b5251922585ae8bc1bafb68d306bcddd4cdba4b6406648d473bd3e980eef65fe3ecd
 DIST python-gentoo-patches-3.7.8-r3.tar.xz 13232 BLAKE2B 9df47b1f61d08f62a80221bc48d73ec27cd74a9ade8219912c5b02eaea919b70d91b1154837cd03c0129a5839186e9c970167ca3398129c044c25c7853f1f920 SHA512 e1477d425cb6125ca2286d816f4aa4e9e3c789d6a4f4907bd7b78549598356cae5766f642e2cad9e7c3abe2e82c12cf3cb7db3513be68aa213cb64cc0abc678a
 DIST python-gentoo-patches-3.8.6-r1.tar.xz 15880 BLAKE2B 9a08cd23af56bcc2ed0dffe4850698be6e0bcf7c44d3eafeb250e328a93833dc3e9ce084f1be89450d1e123cd72d81c6271edfe34046d1bab3d7c10a98d0d9c5 SHA512 83474915cab0928d1d2f4229832bef7c093b2943770fa900a7445bfaa633544f50791aa8b4bc4191662af56feef166814d98eb6fad2c0a0eb9db1f8f4806e689
+DIST python-gentoo-patches-3.8.6.tar.xz 10956 BLAKE2B e3241d97f886d0a37f85735102db8f00902df59ee12e8501b6c7f549dd4b26a6289bf34ff8dba02b369ed7875fad3d18e177afe9e367db4cb06f2ee908482f9e SHA512 7afa8e54f7b7e6ab35edc16d4214384b8ad8a03068d1984656876d6477b278af931e8c797d03d1bed2f10f9d58ac387db1a43921e54fb17cf4b779f33820abc0
 DIST python-prefix-2.7.16-gentoo-patches-r0.tar.xz 14636 BLAKE2B 54320f5197bb7adeca1e7c97447253e6535a11f380b6d66bc2ce46fa671fe23697aced8fd5619633a00e3ea19ae9dbc3ffe2981173d83dcab6b447d514555c43 SHA512 5380d9b92eb81603ec4d60ff9c940a3a061c06bd6f593d5837e600da5d4417b529d20d98d758aa95cef18fac10bdb5c33f90fa943deb15fdaf048492cf286581
 DIST python-prefix-gentoo-3.7.8-patches-r0.tar.xz 13068 BLAKE2B 32e8baf8a0d5bdcb973ba880dbc35a3bd5c6cba88bf2f647e18fc4839fe8bae94658e403e050bcecc5dd5ddadf5beaf8a489829bc2835589d77b968628c29233 SHA512 1a7c17424edc43b36867d45ac019f48734444328bf17b5eddd07a2b63ef26e74147dea83e1286a9e45372acc85640a8d72fed33cbe551170acd785fe12b43d74
 DIST python-prefix-gentoo-3.8.6-patches-r2.tar.xz 8132 BLAKE2B 07b2fed42257a89612c2f402e1adadaef171d483f7f28b85a5a9548713406ad97267a5df6ce39f0e363f76850266292d4b7c43854ef6067e09758d8939411131 SHA512 505f4ade99e4c5ca3f6bef84bc1c97e7197d5b5d6ed4229823df1d142ce00241a7f0f0c336bd01065e4834919dc162ec6797d5272a3c753e0507663eb9b6a94c
+DIST python-prefix-gentoo-3.8.7-patches-r0.tar.xz 7856 BLAKE2B b392e61e4188076f6e6458b658f98231a06add0ed9e4c24c2e1e4eb426572c9af22ac0d89bcade83c3aa7193d00503334271f8949bbee80a526f792540c5e5be SHA512 7f50c8ffb0970a74911a38081aeef9404025725fe0a6fc44284737e1381701a3f69016535e5009b11804ad553e1de6f2bc715427079fc62cd14d82f86d3b0948
 DIST python2-cygwinports-7be648659ef46f33db6913ca0ca5a809219d5629.zip 9199 BLAKE2B 85803bc1677bd16650cb5fc4a2c54fdac0228326f25cfba4fcd098ac9d689312d3e0dde6fca57f720d5235361d6462461cf018325c23fda9139e0f1683055aff SHA512 cabc21d2d7379daf1f4bafe7ab00b70e5b4f707d3102496b96ff0dfdced26347097ad771c69e0b9488b7c54b1ef36f9bc019bee72f1ffcbb55dcd0e71095edfe
 DIST python37-cygwinports-6df749d21f131eeafa485d40eb1294b28d30ba6a.tar.gz 8102 BLAKE2B 7331142fc9c2fd71e5ec5ae45d6aaebe8e39430b5719d01a673966a5ba10b344bba924d6f7f05cc444cedbf28b11cef2db1c2613ebf45fcceb90354895b9b42c SHA512 da669c3a518af73c4caa7c9cc35af2fd971f98e7ba9b91ae0223b2f031e74acc70644fb2411ad5a8d4b39e2c449b5c256bea4877d957030cb81c0d08e84b38dd

diff --git a/dev-lang/python/python-3.8.7.ebuild b/dev-lang/python/python-3.8.7.ebuild
new file mode 100644
index 0000000000..9f21f8ecb3
--- /dev/null
+++ b/dev-lang/python/python-3.8.7.ebuild
@@ -0,0 +1,433 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+WANT_LIBTOOL="none"
+
+inherit autotools flag-o-matic multiprocessing pax-utils \
+	python-utils-r1 toolchain-funcs
+
+MY_P="Python-${PV}"
+PYVER=$(ver_cut 1-2)
+PATCHSET="python-gentoo-patches-3.8.6"
+PREFIX_PATCHSET="python-prefix-gentoo-${PV}-patches-r0"
+
+DESCRIPTION="An interpreted, interactive, object-oriented programming language"
+HOMEPAGE="https://www.python.org/"
+SRC_URI="https://www.python.org/ftp/python/${PV}/${MY_P}.tar.xz
+	https://dev.gentoo.org/~mgorny/dist/python/${PATCHSET}.tar.xz
+	https://dev.gentoo.org/~grobian/distfiles/${PREFIX_PATCHSET}.tar.xz"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="PSF-2"
+SLOT="${PYVER}"
+KEYWORDS="~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="aqua bluetooth build examples gdbm hardened ipv6 libressl +ncurses +readline sqlite +ssl test tk wininst +xml"
+RESTRICT="!test? ( test )"
+
+# Do not add a dependency on dev-lang/python to this ebuild.
+# If you need to apply a patch which requires python for bootstrapping, please
+# run the bootstrap code on your dev box and include the results in the
+# patchset. See bug 447752.
+
+RDEPEND="app-arch/bzip2:=
+	app-arch/xz-utils:=
+	dev-libs/libffi:=
+	kernel_linux? ( sys-apps/util-linux:= )
+	>=sys-libs/zlib-1.1.3:=
+	virtual/libcrypt:=
+	virtual/libintl
+	gdbm? ( sys-libs/gdbm:=[berkdb] )
+	ncurses? ( >=sys-libs/ncurses-5.2:= )
+	readline? ( >=sys-libs/readline-4.1:= )
+	sqlite? ( >=dev-db/sqlite-3.3.8:3= )
+	ssl? (
+		!libressl? ( dev-libs/openssl:= )
+		libressl? ( dev-libs/libressl:= )
+	)
+	tk? (
+		>=dev-lang/tcl-8.0:=
+		>=dev-lang/tk-8.0:=
+		dev-tcltk/blt:=
+		dev-tcltk/tix
+	)
+	xml? ( >=dev-libs/expat-2.1:= )"
+# bluetooth requires headers from bluez
+DEPEND="${RDEPEND}
+	bluetooth? ( net-wireless/bluez )
+	test? ( app-arch/xz-utils[extra-filters(+)] )
+	virtual/pkgconfig
+	!sys-devel/gcc[libffi(-)]"
+RDEPEND+=" !build? ( app-misc/mime-types )"
+PDEPEND=">=app-eselect/eselect-python-20140125-r1"
+
+src_prepare() {
+	# Ensure that internal copies of expat, libffi and zlib are not used.
+	rm -fr Modules/expat || die
+	rm -fr Modules/_ctypes/libffi* || die
+	rm -fr Modules/zlib || die
+
+	local PATCHES=(
+		"${WORKDIR}/${PATCHSET}"
+		# Prefix' round of patches
+		"${WORKDIR}"/${PREFIX_PATCHSET}
+	)
+
+	default
+
+	sed -i -e "s:@@GENTOO_LIBDIR@@:$(get_libdir):g" \
+		setup.py || die "sed failed to replace @@GENTOO_LIBDIR@@"
+
+	# force correct number of jobs
+	# https://bugs.gentoo.org/737660
+	local jobs=$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")
+	sed -i -e "s:-j0:-j${jobs}:" Makefile.pre.in || die
+	sed -i -e "/self\.parallel/s:True:${jobs}:" setup.py || die
+
+	# workaround a problem on ppc-macos with >=GCC-8 where dtoa gets
+	# miscompiled when optimisation is being used
+	if [[ ${CHOST} == powerpc*-darwin* ]] && \
+		tc-is-gcc && [[ $(gcc-major-version) -ge 8 ]] ;
+	then
+		sed -i \
+			-e '/^CFLAGS_ALIASING=/s/$/ -fno-tree-ter/' Makefile.pre.in || die
+	fi
+
+	# Darwin 9's kqueue seems to act up (at least at this stage), so
+	# make Python's selectors resort to poll() or select()
+	if [[ ${CHOST} == powerpc*-darwin9 ]] ; then
+		sed -i \
+			-e 's/KQUEUE/KQUEUE_DISABLED/' \
+			configure.ac configure || die
+	fi
+
+	# Python doesn't know about arm64-macos yet
+	if [[ ${CHOST} == arm64-*-darwin* ]] ; then
+		# Teach Python a new trick (arm64)
+		sed -i \
+			-e "/Unexpected output of 'arch' on OSX/d" \
+			configure.ac configure || die
+	fi
+
+	# side-effect of disabling scproxy (see below), make sure we don't
+	# try to use it on Darwin either
+	sed -i -e '/sys.platform/s/darwin/disabled-darwin/' \
+		Lib/urllib/request.py || die
+
+	# disable SDK usage on Darwin/macOS
+	sed -i -e '/^MACOS = /s/darwin/no-darwin/' setup.py || die
+
+	eautoreconf
+}
+
+src_configure() {
+	local disable
+	# disable automagic bluetooth headers detection
+	use bluetooth || export ac_cv_header_bluetooth_bluetooth_h=no
+	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.
+	[[ ${CHOST} == *-darwin* ]] && disable+=" _scproxy"  # header issue
+	export PYTHON_DISABLE_MODULES="${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
+
+	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
+
+	# 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
+
+	# https://bugs.gentoo.org/700012
+	if is-flagq -flto || is-flagq '-flto=*'; then
+		append-cflags $(test-flags-CC -ffat-lto-objects)
+	fi
+
+	# Export CXX so it ends up in /usr/lib/python3.X/config/Makefile.
+	tc-export CXX
+
+	# Set LDFLAGS so we link modules with -lpython3.2 correctly.
+	# Needed on FreeBSD unless Python 3.2 is already installed.
+	# Please query BSD team before removing this!
+	append-ldflags "-L."
+
+	# Fix implicit declarations on cross and prefix builds. Bug #674070.
+	use ncurses && append-cppflags -I"${ESYSROOT}"/usr/include/ncursesw
+	use prefix && append-ldflags -L"${ESYSROOT}"/lib -L"${ESYSROOT}"/usr/lib
+
+	local dbmliborder
+	if use gdbm; then
+		dbmliborder+="${dbmliborder:+:}gdbm"
+	fi
+
+	if use aqua ; then
+		ECONF_SOURCE="${S}" OPT="" \
+		econf \
+			--enable-framework="${EPREFIX}" \
+			--config-cache
+	fi
+
+	# flock on 32-bits sparc Solaris is broken
+	[[ ${CHOST} == sparc-*-solaris* ]] && \
+		export ac_cv_flock_decl=no
+
+	local myeconfargs=(
+		# glibc-2.30 removes it; since we can't cleanly force-rebuild
+		# Python on glibc upgrade, remove it proactively to give
+		# a chance for users rebuilding python before glibc
+		# except on non-glibc systems this breaks the build, so be
+		# conservative!
+		$(use elibc_glibc && echo ac_cv_header_stropts_h=no)
+
+		$(use aqua && echo --config-cache)
+		--enable-shared
+		$(use_enable ipv6)
+		--infodir='${prefix}/share/info'
+		--mandir='${prefix}/share/man'
+		--with-computed-gotos
+		--with-dbmliborder="${dbmliborder}"
+		--with-libc=
+		--enable-loadable-sqlite-extensions
+		--without-ensurepip
+		--with-system-expat
+		--with-system-ffi
+	)
+
+	OPT="" econf "${myeconfargs[@]}"
+}
+
+src_compile() {
+	# Ensure sed works as expected
+	# https://bugs.gentoo.org/594768
+	local -x LC_ALL=C
+
+	emake CPPFLAGS= CFLAGS= LDFLAGS=
+
+	# Work around bug 329499. See also bug 413751 and 457194.
+	if has_version dev-libs/libffi[pax_kernel]; then
+		pax-mark E python
+	else
+		pax-mark m python
+	fi
+}
+
+src_test() {
+	# Tests will not work when cross compiling.
+	if tc-is-cross-compiler; then
+		elog "Disabling tests due to crosscompiling."
+		return
+	fi
+
+	# Skip failing tests.
+	local skipped_tests="gdb"
+
+	for test in ${skipped_tests}; do
+		mv "${S}"/Lib/test/test_${test}.py "${T}"
+	done
+
+	# bug 660358
+	local -x COLUMNS=80
+	local -x PYTHONDONTWRITEBYTECODE=
+
+	local jobs=$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")
+
+	emake test EXTRATESTOPTS="-u-network -j${jobs}" \
+		CPPFLAGS= CFLAGS= LDFLAGS= < /dev/tty
+	local result=$?
+
+	for test in ${skipped_tests}; do
+		mv "${T}/test_${test}.py" "${S}"/Lib/test
+	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 '${EPREFIX}/usr/lib/python${PYVER}/test'"
+	elog "and run the tests separately."
+
+	if [[ ${result} -ne 0 ]]; then
+		die "emake test failed"
+	fi
+}
+
+src_install() {
+	local libdir=${ED}/usr/lib/python${PYVER}
+
+	emake DESTDIR="${D}" altinstall
+
+	if use aqua ; then
+		# avoid config.status to be triggered
+		find Mac -name "Makefile" -exec touch \{\} + || die
+
+		# Python_Launcher is kind of a wrapper, and we should fix it for
+		# Prefix (it uses /usr/bin/pythonw) so useless
+		# IDLE doesn't run, no idea, but definitely not used
+		emake DESTDIR="${D}" -C Mac install_Python || die
+		rmdir "${ED}"/Applications/Python* || die
+		rmdir "${ED}"/Applications || die
+
+		local fwdir=/Frameworks/Python.framework/Versions/${PYVER}
+		ln -s "${EPREFIX}"/usr/include/python${PYVER} \
+			"${ED}${fwdir}"/Headers || die
+		ln -s "${EPREFIX}"/usr/lib/libpython${PYVER}.dylib \
+			"${ED}${fwdir}"/Python || die
+	fi
+
+	# Remove static library
+	rm "${ED}"/usr/$(get_libdir)/libpython*.a || die
+
+	sed \
+		-e "s/\(CONFIGURE_LDFLAGS=\).*/\1/" \
+		-e "s/\(PY_LDFLAGS=\).*/\1/" \
+		-i "${libdir}/config-${PYVER}"*/Makefile || die "sed failed"
+
+	# Fix collisions between different slots of Python.
+	rm -f "${ED}/usr/$(get_libdir)/libpython3$(get_libname)" || die
+
+	# Cheap hack to get version with ABIFLAGS
+	local abiver=$(cd "${ED}/usr/include"; echo python*)
+	if [[ ${abiver} != python${PYVER} ]]; then
+		# Replace python3.X with a symlink to python3.Xm
+		rm "${ED}/usr/bin/python${PYVER}" || die
+		dosym "${abiver}" "/usr/bin/python${PYVER}"
+		# Create python3.X-config symlink
+		dosym "${abiver}-config" "/usr/bin/python${PYVER}-config"
+		# Create python-3.5m.pc symlink
+		dosym "python-${PYVER}.pc" "/usr/$(get_libdir)/pkgconfig/${abiver/${PYVER}/-${PYVER}}.pc"
+	fi
+
+	# python seems to get rebuilt in src_install (bug 569908)
+	# Work around it for now.
+	if has_version dev-libs/libffi[pax_kernel]; then
+		pax-mark E "${ED}/usr/bin/${abiver}"
+	else
+		pax-mark m "${ED}/usr/bin/${abiver}"
+	fi
+
+	use sqlite || rm -r "${libdir}/"{sqlite3,test/test_sqlite*} || die
+	use tk || rm -r "${ED}/usr/bin/idle${PYVER}" "${libdir}/"{idlelib,tkinter,test/test_tk*} || die
+
+	use wininst || rm "${libdir}/distutils/command/"wininst-*.exe || die
+
+	dodoc Misc/{ACKS,HISTORY,NEWS}
+
+	if use examples; then
+		docinto examples
+		find Tools -name __pycache__ -exec rm -fr {} + || die
+		dodoc -r Tools
+	fi
+	insinto /usr/share/gdb/auto-load/usr/$(get_libdir) #443510
+	if use aqua ; then
+		# we do framework, so the emake trick below returns a pathname
+		# since that won't work here, use a (cheap) trick instead
+		local libname=libpython${PYVER}
+	else
+		local libname=$(printf 'e:\n\t@echo $(INSTSONAME)\ninclude Makefile\n' | \
+			emake --no-print-directory -s -f - 2>/dev/null)
+	fi
+	newins "${S}"/Tools/gdb/libpython.py "${libname}"-gdb.py
+
+	newconfd "${FILESDIR}/pydoc.conf" pydoc-${PYVER}
+	newinitd "${FILESDIR}/pydoc.init" pydoc-${PYVER}
+	sed \
+		-e "s:@PYDOC_PORT_VARIABLE@:PYDOC${PYVER/./_}_PORT:" \
+		-e "s:@PYDOC@:pydoc${PYVER}:" \
+		-i "${ED}/etc/conf.d/pydoc-${PYVER}" \
+		"${ED}/etc/init.d/pydoc-${PYVER}" || die "sed failed"
+
+	local -x EPYTHON=python${PYVER}
+	# if not using a cross-compiler, use the fresh binary
+	if ! tc-is-cross-compiler; then
+		local -x PYTHON=./python$(sed -n '/BUILDEXE=/s/^.*=\s\+//p' Makefile)
+		local -x LD_LIBRARY_PATH=${LD_LIBRARY_PATH+${LD_LIBRARY_PATH}:}${PWD}
+		local -x DYLD_LIBRARY_PATH=${DYLD_LIBRARY_PATH+${DYLD_LIBRARY_PATH}:}${PWD}
+	else
+		local -x PYTHON=${EPREFIX}/usr/bin/${EPYTHON}
+	fi
+
+	echo "EPYTHON='${EPYTHON}'" > epython.py || die
+	python_domodule epython.py
+
+	# python-exec wrapping support
+	local pymajor=${PYVER%.*}
+	local scriptdir=${D}$(python_get_scriptdir)
+	mkdir -p "${scriptdir}" || die
+	# python and pythonX
+	ln -s "../../../bin/${abiver}" \
+		"${scriptdir}/python${pymajor}" || die
+	ln -s "python${pymajor}" "${scriptdir}/python" || die
+	# python-config and pythonX-config
+	# note: we need to create a wrapper rather than symlinking it due
+	# to some random dirname(argv[0]) magic performed by python-config
+	cat > "${scriptdir}/python${pymajor}-config" <<-EOF || die
+		#!/bin/sh
+		exec "${abiver}-config" "\${@}"
+	EOF
+	chmod +x "${scriptdir}/python${pymajor}-config" || die
+	ln -s "python${pymajor}-config" \
+		"${scriptdir}/python-config" || die
+	# 2to3, pydoc
+	ln -s "../../../bin/2to3-${PYVER}" \
+		"${scriptdir}/2to3" || die
+	ln -s "../../../bin/pydoc${PYVER}" \
+		"${scriptdir}/pydoc" || die
+	# idle
+	if use tk; then
+		ln -s "../../../bin/idle${PYVER}" \
+			"${scriptdir}/idle" || die
+	fi
+}
+
+pkg_preinst() {
+	if has_version "<${CATEGORY}/${PN}-${PYVER}" && ! has_version ">=${CATEGORY}/${PN}-${PYVER}_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${PV%%.*}
+	fi
+}
+
+pkg_postinst() {
+	eselect_python_update
+
+	if [[ "${python_updater_warning}" == "1" ]]; then
+		ewarn "You have just upgraded from an older version of Python."
+		ewarn
+		ewarn "Please adjust PYTHON_TARGETS (if so desired), and run emerge with the --newuse or --changed-use option to rebuild packages installing python modules."
+	fi
+}
+
+pkg_postrm() {
+	eselect_python_update
+}