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

["Michał Górny" <mgorny@gentoo.org>]

commit:     b5bae5c3c644e86aa4a7e6b3f7645ba406c398a6
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Wed Feb  8 16:23:02 2023 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Wed Feb  8 17:36:13 2023 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b5bae5c3

dev-lang/python: Bump to 3.11.2

Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 dev-lang/python/Manifest             |   3 +
 dev-lang/python/python-3.11.2.ebuild | 515 +++++++++++++++++++++++++++++++++++
 2 files changed, 518 insertions(+)

diff --git a/dev-lang/python/Manifest b/dev-lang/python/Manifest
index 8eb3db1ec504..29cbda008b13 100644
--- a/dev-lang/python/Manifest
+++ b/dev-lang/python/Manifest
@@ -4,6 +4,8 @@ DIST Python-3.10.9.tar.xz 19612112 BLAKE2B ef2d063a9fbaf234aa4a47149cb184a0379dc
 DIST Python-3.10.9.tar.xz.asc 833 BLAKE2B 8895c6cb5031b2463cc6ba3e0dc56bee40c2e99117c062f9c72f2b7adb0d5a49782b968abfc764117e8513bd12816915245677c25b1710e3dae3c9e26937c2b9 SHA512 525e166ede6836086de814c26fc880f41eaf1ed4bff6118f00342e42f7ab1c47148447ced1b565e146d3125fa06b5cd6b394a256bc61096766b26e07f18bbf10
 DIST Python-3.11.1.tar.xz 19856648 BLAKE2B 2a8942e7a145cfcc5b6932865ff9a1afd300bf2e6c4c915e88d0e849441196a3a4cacf94f3db87eaa7538872059085cf7eeff91c436f424448f85d4b180a6f24 SHA512 5edd70c881e083c96199c60471f18f9ebc4c97a2d45dc66f89e16d7c3638d8a5d2cbf2e84b1be3d7f1178ce9f7fa4197884385c1ee3618ff66a538f872f318ed
 DIST Python-3.11.1.tar.xz.asc 833 BLAKE2B 27c6101b2022cb7bea3e6082f1554b31cceb8cabe720e4b19391f550e870588c4defd1552c580a7e063638b80e8b8f415e54a11cf40ae3b0f449500c2e9babc6 SHA512 81ed05c2adf38552bdc5ac761704f2720a646d56681a919a6bfa51f1a4b42cd14edb9c84d58664dbc8e7b561cd78d82ae6b10dda423e1fae543bc7fa4bf3f78e
+DIST Python-3.11.2.tar.xz 19893284 BLAKE2B 0cfb1fefcdd4c4baf5c34f74ab0600ac7cd40101d266c28f66f9d35bcfbf19d6c3ff2a5b0d357ee1d03061e06005ea3ee7b18adf878d32e197434b3da2b7d918 SHA512 5684ec7eae2dce26facc54d448ccdb6901bbfa1cab03abbe8fd34e4268a2b701daa13df15903349492447035be78380d473389e8703b4e910a65b088d2462e8b
+DIST Python-3.11.2.tar.xz.asc 833 BLAKE2B 15795836babd269424f1ff511073e27235827353383d15cac6a85406b967787840ca6c0f119faa1971a50ebb6699e6cdf0de095f428b868b57a91eb8dc6d5baa SHA512 9d9d1c6dd6e56a916c6861cd0e7e623a165b0845bafe0acfcae27b4fe10a6b7015844e6b3f8deded26a763c935e32f565b2e12beb20c43fda16c11eba8d282a1
 DIST Python-3.12.0a4.tar.xz 19690792 BLAKE2B f4da53e856afca1acd8ba56dc37d78ef4cfee0007a3a66c9276b7a93dbd4c9e7ddb39aaea344bc55219e33ad09a9b34bf0e8b89273bba8e99643eeafc7e76d42 SHA512 19a98939077004259868cc5e6901d8fbf0ae90ad579700d6993f6b82990b1b4eb92efa5c8b5b7b50cfc46e311cb5c45f83251223a623fe1ade5da45ef2ca5dce
 DIST Python-3.12.0a4.tar.xz.asc 963 BLAKE2B da2279932786fad5cb3def5e34f9f113b9203233f70edc805ac1f7c3ddb584883655bb3da7fac1651017269a0dd8ce9a88fcca609ab2072bc6285190c487a566 SHA512 b74a1bf0d5e4f402b6e5164cd140457ed0b172b2bfe61be1642fe053b71092b8bae1f5281e03516a6fba24319c78cd2505494cfada2416b766f4c602c1284d2a
 DIST Python-3.12.0a5.tar.xz 19743140 BLAKE2B 3613523f8417251127b2a013218518a1f311d80a1534e0dd1eb704fc6bfd9e143848a18328a0c8d3fb00d7c6f580ac1b314d38893ca66d1de7eab198862ab99a SHA512 090d205a3cbfce1ea4c1ca5950d24db64e6f8aceb2f6458f17b996071ce6ddf80e60ed3e293b89f242df705e1dec6069ccc3e46f24f5d4e22819d7d54743a27a
@@ -15,6 +17,7 @@ DIST Python-3.9.16.tar.xz.asc 833 BLAKE2B 416b4a4be06e101c5971c12a6f21229c425bca
 DIST python-gentoo-patches-2.7.18_p16.tar.xz 35448 BLAKE2B 0139c0944f62f9cdd236f6a8557e0ed19704c7d72869af1cb7d8bd3e646a746cd4a0201e1b44232a5e78ef49f254db20b0d0271bf744fbfd4fe0f1e99b8f3e6c SHA512 810be590d0e06fab4b2165e6852ca49662f09dcd7e20b47a29f613ad7653252c8dfac3f0eb228d77c8a914efa7c08788b2fbd552a4b47504f5fd0ec17450c48f
 DIST python-gentoo-patches-3.10.9.tar.xz 12216 BLAKE2B ced4f951089c51ddaab6c62ade9d2c84f69e7e1baf2acf5247559534c7d0fb0e88dca1222f5bd2209b4e61f5aca17279b8054f269535dbc10de0786c2c5779f5 SHA512 2d01f0f3831beeba004517bb82f7d616f25f08e5c755409ecff79cd68e0a619b5bf6802fffd0e5f7f39f1d9d93e65b018b91cdeb337a5e47f1651f36bea0e96e
 DIST python-gentoo-patches-3.11.1.tar.xz 7076 BLAKE2B 3ec45f7529d34eabc9d9ba7fa7f8dd51d8754d9758a605b61857a9fd80386a0357837c925263ad7b0e207ff916944b94cc0e03c0f59921f839d5e51d92f0e47e SHA512 4253dbfa057a91db584b92550e2d39d87986f33041233bc400dd0254cbd95415b33fc47b0fe997bb84192c755bc16d3d31941bba4c216ee4d65facf0b48c7862
+DIST python-gentoo-patches-3.11.2.tar.xz 7112 BLAKE2B f6bb83fdd310646b4b5ae397734e3ee90b4028b5716e92cb194fdfe0fe2fe3d3e5ef5e8dddc956d10dcd19bd0308f45d7d24b08e07b01ce872a37302f92d834d SHA512 5bad6b47ad20e2ec786fb91e1476731c06281da611f53fa4d4fb927398d6d827d2e57aa758a2a70cda5f9dc3cdeeb53e7fcb0727e06805aace334c4df022bb8d
 DIST python-gentoo-patches-3.12.0a4.tar.xz 8504 BLAKE2B 1257c1fe428fc967ef7d3107f99e4fcef0758a2bfa5b345bf69bb47bc0af1644b449f2b11b61148a8f79ed583a80365432d78ec4bade3d92070f08ad2ff568c2 SHA512 142f5d2ee8c1beeb6084bb6b48a0bbdcde907f48f514ac7743f0e6898a761696bb7788861fcb5c938cc36f212d444ddcfe874880ac8b4d0d54bc8ec04b166ca0
 DIST python-gentoo-patches-3.12.0a5.tar.xz 7704 BLAKE2B 7224d3e4318313183a10dc0d4fa73ab589b9de8096945750f31d45371b926f7e2cbeb2c672c254e369f04bb5588a79335ceea2e3ce4968e76f70206bdc3c9672 SHA512 951d6fd25e113bf29fb334a9162bc132d27a8c3186c8b6cbaddfbdea8ccd221fe126d09cf7c6df59942d49dac8561a4e168468daa0e7cd0d0d3a925166b4d835
 DIST python-gentoo-patches-3.8.16.tar.xz 28716 BLAKE2B 28ccad9d77a89f80f72dd12eb89d657825e80061eaa069d4c491736bffd87b235f483b9d079b9f383377ea4bc6c19471bb6a4869a37fc0401abe28e2444fd9d2 SHA512 fe94ee2851af5c87c64ea3af5c1a744a53dcb03743f824a7726803daf454f38511894e24fe68be9de4ab59d1798161a3c320748309d04afd1e77906df353a246

diff --git a/dev-lang/python/python-3.11.2.ebuild b/dev-lang/python/python-3.11.2.ebuild
new file mode 100644
index 000000000000..8eade19a658d
--- /dev/null
+++ b/dev-lang/python/python-3.11.2.ebuild
@@ -0,0 +1,515 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+WANT_LIBTOOL="none"
+
+inherit autotools check-reqs flag-o-matic multiprocessing pax-utils
+inherit prefix python-utils-r1 toolchain-funcs verify-sig
+
+MY_PV=${PV/_rc/rc}
+MY_P="Python-${MY_PV%_p*}"
+PYVER=$(ver_cut 1-2)
+PATCHSET="python-gentoo-patches-${MY_PV}"
+
+DESCRIPTION="An interpreted, interactive, object-oriented programming language"
+HOMEPAGE="
+	https://www.python.org/
+	https://github.com/python/cpython/
+"
+SRC_URI="
+	https://www.python.org/ftp/python/${PV%%_*}/${MY_P}.tar.xz
+	https://dev.gentoo.org/~mgorny/dist/python/${PATCHSET}.tar.xz
+	verify-sig? (
+		https://www.python.org/ftp/python/${PV%%_*}/${MY_P}.tar.xz.asc
+	)
+"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="PSF-2"
+SLOT="${PYVER}"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="
+	bluetooth build +ensurepip examples gdbm hardened libedit lto
+	+ncurses pgo +readline +sqlite +ssl test tk valgrind
+"
+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:=
+	app-crypt/libb2
+	>=dev-libs/expat-2.1:=
+	dev-libs/libffi:=
+	dev-python/gentoo-common
+	sys-apps/util-linux:=
+	>=sys-libs/zlib-1.1.3:=
+	virtual/libcrypt:=
+	virtual/libintl
+	ensurepip? ( dev-python/ensurepip-wheels )
+	gdbm? ( sys-libs/gdbm:=[berkdb] )
+	ncurses? ( >=sys-libs/ncurses-5.2:= )
+	readline? (
+		!libedit? ( >=sys-libs/readline-4.1:= )
+		libedit? ( dev-libs/libedit:= )
+	)
+	sqlite? ( >=dev-db/sqlite-3.3.8:3= )
+	ssl? ( >=dev-libs/openssl-1.1.1:= )
+	tk? (
+		>=dev-lang/tcl-8.0:=
+		>=dev-lang/tk-8.0:=
+		dev-tcltk/blt:=
+		dev-tcltk/tix
+	)
+	!!<sys-apps/sandbox-2.21
+"
+# bluetooth requires headers from bluez
+DEPEND="
+	${RDEPEND}
+	bluetooth? ( net-wireless/bluez )
+	test? ( app-arch/xz-utils[extra-filters(+)] )
+	valgrind? ( dev-util/valgrind )
+"
+# autoconf-archive needed to eautoreconf
+BDEPEND="
+	sys-devel/autoconf-archive
+	app-alternatives/awk
+	virtual/pkgconfig
+	verify-sig? ( sec-keys/openpgp-keys-python )
+"
+RDEPEND+="
+	!build? ( app-misc/mime-types )
+"
+if [[ ${PV} != *_alpha* ]]; then
+	RDEPEND+="
+		dev-lang/python-exec[python_targets_python${PYVER/./_}(-)]
+	"
+fi
+
+VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/python.org.asc
+
+# large file tests involve a 2.5G file being copied (duplicated)
+CHECKREQS_DISK_BUILD=5500M
+
+QA_PKGCONFIG_VERSION=${PYVER}
+
+pkg_pretend() {
+	use test && check-reqs_pkg_pretend
+}
+
+pkg_setup() {
+	use test && check-reqs_pkg_setup
+}
+
+src_unpack() {
+	if use verify-sig; then
+		verify-sig_verify_detached "${DISTDIR}"/${MY_P}.tar.xz{,.asc}
+	fi
+	default
+}
+
+src_prepare() {
+	# Ensure that internal copies of expat and libffi are not used.
+	rm -r Modules/expat || die
+	rm -r Modules/_ctypes/libffi* || die
+
+	local PATCHES=(
+		"${WORKDIR}/${PATCHSET}"
+	)
+
+	default
+
+	# https://bugs.gentoo.org/850151
+	sed -i -e "s:@@GENTOO_LIBDIR@@:$(get_libdir):g" setup.py || die
+
+	# force the correct number of jobs
+	# https://bugs.gentoo.org/737660
+	local jobs=$(makeopts_jobs)
+	sed -i -e "s:-j0:-j${jobs}:" Makefile.pre.in || die
+	sed -i -e "/self\.parallel/s:True:${jobs}:" setup.py || die
+
+	eautoreconf
+}
+
+src_configure() {
+	local disable
+	# disable automagic bluetooth headers detection
+	if ! use bluetooth; then
+		local -x ac_cv_header_bluetooth_bluetooth_h=no
+	fi
+
+	append-flags -fwrapv
+	filter-flags -malign-double
+
+	# https://bugs.gentoo.org/700012
+	if is-flagq -flto || is-flagq '-flto=*'; then
+		append-cflags $(test-flags-CC -ffat-lto-objects)
+	fi
+
+	# Export CXX so it ends up in /usr/lib/python3.X/config/Makefile.
+	# PKG_CONFIG needed for cross.
+	tc-export CXX PKG_CONFIG
+
+	local dbmliborder=
+	if use gdbm; then
+		dbmliborder+="${dbmliborder:+:}gdbm"
+	fi
+
+	if use pgo; then
+		local profile_task_flags=(
+			-m test
+			"-j$(makeopts_jobs)"
+			--pgo-extended
+			-x test_gdb
+			-u-network
+
+			# All of these seem to occasionally hang for PGO inconsistently
+			# They'll even hang here but be fine in src_test sometimes.
+			# bug #828535 (and related: bug #788022)
+			-x test_asyncio
+			-x test_httpservers
+			-x test_logging
+			-x test_multiprocessing_fork
+			-x test_socket
+			-x test_xmlrpc
+		)
+
+		if has_version "app-arch/rpm" ; then
+			# Avoid sandbox failure (attempts to write to /var/lib/rpm)
+			profile_task_flags+=(
+				-x test_distutils
+			)
+		fi
+		local -x PROFILE_TASK="${profile_task_flags[*]}"
+	fi
+
+	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
+		ac_cv_header_stropts_h=no
+
+		--enable-shared
+		--without-static-libpython
+		--enable-ipv6
+		--infodir='${prefix}/share/info'
+		--mandir='${prefix}/share/man'
+		--with-computed-gotos
+		--with-dbmliborder="${dbmliborder}"
+		--with-libc=
+		--enable-loadable-sqlite-extensions
+		--without-ensurepip
+		--with-system-expat
+		--with-system-ffi
+		--with-platlibdir=lib
+		--with-pkg-config=yes
+		--with-wheel-pkg-dir="${EPREFIX}"/usr/lib/python/ensurepip
+
+		$(use_with lto)
+		$(use_enable pgo optimizations)
+		$(use_with readline readline "$(usex libedit editline readline)")
+		$(use_with valgrind)
+	)
+
+	# disable implicit optimization/debugging flags
+	local -x OPT=
+
+	if tc-is-cross-compiler ; then
+		# Hack to workaround get_libdir not being able to handle CBUILD, bug #794181
+		local cbuild_libdir=$(unset PKG_CONFIG_PATH ; $(tc-getBUILD_PKG_CONFIG) --keep-system-libs --libs-only-L libffi)
+
+		# pass system CFLAGS & LDFLAGS as _NODIST, otherwise they'll get
+		# propagated to sysconfig for built extensions
+		local -x CFLAGS_NODIST=${CFLAGS_FOR_BUILD}
+		local -x LDFLAGS_NODIST=${LDFLAGS_FOR_BUILD}
+		local -x CFLAGS= LDFLAGS=
+
+		# We need to build our own Python on CBUILD first, and feed it in.
+		# bug #847910
+		local myeconfargs_cbuild=(
+			"${myeconfargs[@]}"
+
+			--libdir="${cbuild_libdir:2}"
+
+			# Avoid needing to load the right libpython.so.
+			--disable-shared
+
+			# As minimal as possible for the mini CBUILD Python
+			# we build just for cross to satisfy --with-build-python.
+			--without-lto
+			--without-readline
+			--disable-optimizations
+		)
+
+		myeconfargs+=(
+			# Point the imminent CHOST build to the Python we just
+			# built for CBUILD.
+			--with-build-python="${WORKDIR}"/${P}-${CBUILD}/python
+		)
+
+		mkdir "${WORKDIR}"/${P}-${CBUILD} || die
+		pushd "${WORKDIR}"/${P}-${CBUILD} &> /dev/null || die
+		# We disable _ctypes and _crypt for CBUILD because Python's setup.py can't handle locating
+		# libdir correctly for cross.
+		PYTHON_DISABLE_MODULES="${PYTHON_DISABLE_MODULES} _ctypes _crypt" \
+			ECONF_SOURCE="${S}" econf_build "${myeconfargs_cbuild[@]}"
+
+		# Avoid as many dependencies as possible for the cross build.
+		cat >> Makefile <<-EOF || die
+			MODULE_NIS_STATE=disabled
+			MODULE__DBM_STATE=disabled
+			MODULE__GDBM_STATE=disabled
+			MODULE__DBM_STATE=disabled
+			MODULE__SQLITE3_STATE=disabled
+			MODULE__HASHLIB_STATE=disabled
+			MODULE__SSL_STATE=disabled
+			MODULE__CURSES_STATE=disabled
+			MODULE__CURSES_PANEL_STATE=disabled
+			MODULE_READLINE_STATE=disabled
+			MODULE__TKINTER_STATE=disabled
+			MODULE_PYEXPAT_STATE=disabled
+			MODULE_ZLIB_STATE=disabled
+		EOF
+
+		# Unfortunately, we do have to build this immediately, and
+		# not in src_compile, because CHOST configure for Python
+		# will check the existence of the --with-build-python value
+		# immediately.
+		PYTHON_DISABLE_MODULES="${PYTHON_DISABLE_MODULES} _ctypes _crypt" emake
+		popd &> /dev/null || die
+	fi
+
+	# pass system CFLAGS & LDFLAGS as _NODIST, otherwise they'll get
+	# propagated to sysconfig for built extensions
+	local -x CFLAGS_NODIST=${CFLAGS}
+	local -x LDFLAGS_NODIST=${LDFLAGS}
+	local -x CFLAGS= LDFLAGS=
+
+	# Fix implicit declarations on cross and prefix builds. Bug #674070.
+	if use ncurses; then
+		append-cppflags -I"${ESYSROOT}"/usr/include/ncursesw
+	fi
+
+	hprefixify setup.py
+	econf "${myeconfargs[@]}"
+
+	if grep -q "#define POSIX_SEMAPHORES_NOT_ENABLED 1" pyconfig.h; then
+		eerror "configure has detected that the sem_open function is broken."
+		eerror "Please ensure that /dev/shm is mounted as a tmpfs with mode 1777."
+		die "Broken sem_open function (bug 496328)"
+	fi
+
+	# force-disable modules we don't want built
+	local disable_modules=( NIS )
+	use gdbm || disable_modules+=( _GDBM _DBM )
+	use sqlite || disable_modules+=( _SQLITE3 )
+	use ssl || disable_modules+=( _HASHLIB _SSL )
+	use ncurses || disable_modules+=( _CURSES _CURSES_PANEL )
+	use readline || disable_modules+=( READLINE )
+	use tk || disable_modules+=( _TKINTER )
+
+	local mod
+	for mod in "${disable_modules[@]}"; do
+		echo "MODULE_${mod}_STATE=disabled"
+	done >> Makefile || die
+
+	# install epython.py as part of stdlib
+	echo "EPYTHON='python${PYVER}'" > Lib/epython.py || die
+}
+
+src_compile() {
+	# Ensure sed works as expected
+	# https://bugs.gentoo.org/594768
+	local -x LC_ALL=C
+	# Prevent using distutils bundled by setuptools.
+	# https://bugs.gentoo.org/823728
+	export SETUPTOOLS_USE_DISTUTILS=stdlib
+	export PYTHONSTRICTEXTENSIONBUILD=1
+
+	# Save PYTHONDONTWRITEBYTECODE so that 'has_version' doesn't
+	# end up writing bytecode & violating sandbox.
+	# bug #831897
+	local -x _PYTHONDONTWRITEBYTECODE=${PYTHONDONTWRITEBYTECODE}
+
+	if use pgo ; then
+		# bug 660358
+		local -x COLUMNS=80
+		local -x PYTHONDONTWRITEBYTECODE=
+
+		addpredict "/usr/lib/python${PYVER}/site-packages"
+	fi
+
+	# also need to clear the flags explicitly here or they end up
+	# in _sysconfigdata*
+	emake CPPFLAGS= CFLAGS= LDFLAGS=
+
+	# Restore saved value from above.
+	local -x PYTHONDONTWRITEBYTECODE=${_PYTHONDONTWRITEBYTECODE}
+
+	# 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
+
+	# this just happens to skip test_support.test_freeze that is broken
+	# without bundled expat
+	# TODO: get a proper skip for it upstream
+	local -x LOGNAME=buildbot
+
+	local test_opts=(
+		-u-network
+		-j "$(makeopts_jobs)"
+
+		# fails
+		-x test_gdb
+	)
+
+	if use sparc ; then
+		# bug #788022
+		test_opts+=(
+			-x test_multiprocessing_fork
+			-x test_multiprocessing_forkserver
+		)
+	fi
+
+	# workaround docutils breaking tests
+	cat > Lib/docutils.py <<-EOF || die
+		raise ImportError("Thou shalt not import!")
+	EOF
+
+	# bug 660358
+	local -x COLUMNS=80
+	local -x PYTHONDONTWRITEBYTECODE=
+	# workaround https://bugs.gentoo.org/775416
+	addwrite "/usr/lib/python${PYVER}/site-packages"
+
+	nonfatal emake test EXTRATESTOPTS="${test_opts[*]}" \
+		CPPFLAGS= CFLAGS= LDFLAGS= < /dev/tty
+	local ret=${?}
+
+	rm Lib/docutils.py || die
+
+	[[ ${ret} -eq 0 ]] || die "emake test failed"
+}
+
+src_install() {
+	local libdir=${ED}/usr/lib/python${PYVER}
+
+	# -j1 hack for now for bug #843458
+	emake -j1 DESTDIR="${D}" altinstall
+
+	# Fix collisions between different slots of Python.
+	rm "${ED}/usr/$(get_libdir)/libpython3.so" || 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/${abiver}"
+	fi
+
+	rm -r "${libdir}"/ensurepip/_bundled || die
+	if ! use ensurepip; then
+		rm -r "${libdir}"/ensurepip || die
+	fi
+	if ! use sqlite; then
+		rm -r "${libdir}/"sqlite3 || die
+	fi
+	if ! use tk; then
+		rm -r "${ED}/usr/bin/idle${PYVER}" || die
+		rm -r "${libdir}/"{idlelib,tkinter,test/test_tk*} || die
+	fi
+
+	ln -s ../python/EXTERNALLY-MANAGED "${libdir}/EXTERNALLY-MANAGED" || 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/$(get_libdir) #443510
+	local libname=$(
+		printf 'e:\n\t@echo $(INSTSONAME)\ninclude Makefile\n' |
+		emake --no-print-directory -s -f - 2>/dev/null
+	)
+	newins Tools/gdb/libpython.py "${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"
+
+	# python-exec wrapping support
+	local pymajor=${PYVER%.*}
+	local EPYTHON=python${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_postinst() {
+	local v
+	for v in ${REPLACING_VERSIONS}; do
+		if ver_test "${v}" -lt 3.11.0_beta4-r2; then
+			ewarn "Python 3.11.0b4 has changed its module ABI.  The .pyc files"
+			ewarn "installed previously are no longer valid and will be regenerated"
+			ewarn "(or ignored) on the next import.  This may cause sandbox failures"
+			ewarn "when installing some packages and checksum mismatches when removing"
+			ewarn "old versions.  To actively prevent this, rebuild all packages"
+			ewarn "installing Python 3.11 modules, e.g. using:"
+			ewarn
+			ewarn "  emerge -1v /usr/lib/python3.11/site-packages"
+		fi
+	done
+}