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

["Michał Górny" <mgorny@gentoo.org>]

commit:     bc43780b623990cdd17b03fbbe3fb57cb1bcee8d
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Wed Mar 13 05:32:44 2024 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Wed Mar 13 06:51:36 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=bc43780b

dev-lang/python: Bump to 3.13.0_alpha5

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

 dev-lang/python/Manifest                    |   3 +
 dev-lang/python/python-3.13.0_alpha5.ebuild | 545 ++++++++++++++++++++++++++++
 2 files changed, 548 insertions(+)

diff --git a/dev-lang/python/Manifest b/dev-lang/python/Manifest
index fda69d217a3a..48cd0d7ecdcc 100644
--- a/dev-lang/python/Manifest
+++ b/dev-lang/python/Manifest
@@ -8,6 +8,8 @@ DIST Python-3.12.2.tar.xz 20591308 BLAKE2B 419186d220d4ae5ca31466771158c8b56f529
 DIST Python-3.12.2.tar.xz.asc 963 BLAKE2B 45bfa01009f4df19d348a1fda722901cb4f0b76eb63fcf1061c2796949b5b2ef301fd0fdf818cd145e41d45e5785e0cfbfab8d98751765741715ee7d1b27f2f8 SHA512 fb477acb49864a662b1586db79e80fd8ebab85d4e5e14acd3bfb5afc3dbe8d6b9bf97eb518dfb77662e27040d400f451ed7575fe1264a6cc0d9feb06e4f2dc84
 DIST Python-3.13.0a4.tar.xz 20648544 BLAKE2B 4d45bdc1d88792c0bff93b4f9023d494b5ae86cd74eef49089fb11fab951b7fd2a5b8ac5b827b50fe1d61b516ed9a50f3f0e0b112299a70128f5e29e7b1d3f0f SHA512 f0dccc822ba000e8a50853d62698975d35382b981b62091e25ad6a6e0669e4e517c880e884644b508172de38226006ec11ddc649d9271320e728c0cd6c0b4dcc
 DIST Python-3.13.0a4.tar.xz.asc 963 BLAKE2B 2b27d93d4a1240b85657e455b1f148424460a10f8dc71a052a16f62c2e115a1767f1af1e6b4b7ccee5a4b59b4a92351875270567fd120aa53ee7fd50c51fd607 SHA512 261c0b23f84301f8b2aa4e8ea32995ea64a74a48dabc595028af71466915df93c118e699c939d7e4372d4575c59221743cb5ae21a936cc41241bdbafb9fab6c3
+DIST Python-3.13.0a5.tar.xz 20734172 BLAKE2B de5c0887fe67571f1f93fad3252433234683de266759d047f748f236328d091a73b24432e345382deaf4521fd462cd0d6916dddd8c4d66c5e3d56b12b780fb3b SHA512 7238d6792ac35f4cf9c701f7a69ed37de13efe0ba676f26a9b01a15ded1f8f070be295be6fc70b29153e9f2216224438d46500570b5d64641347cf2ccc66b556
+DIST Python-3.13.0a5.tar.xz.asc 963 BLAKE2B bbb0f90d2b5c1e39e224e97e627b89a4f9d8384bfc30a2da45f112a088290bbb4f36c39e4f12158d10fe737ec4b2af2db675917077aae36ba0166fdd8ef2c34e SHA512 9cb4235afcde912904a2c3a728d83db45947cbda5ae1efae742f6045d1744008fefe67ed4b667f58194d81b2f341f3718841eb06ffad9a2f2fb5357cb1a373f4
 DIST Python-3.8.18.tar.xz 20696952 BLAKE2B 45be712aeef8bb3ba04aa2bd7d0282aa5f817327749c620ede18ee307fcb432540db9062a8186b08b49467515c74f01eb6fa739f366cca76dfadedcb22858429 SHA512 0be1d85cafade25e99b8277ba51d7b9b3a3d2dbbcc52fd0d1c633c47982e5dd87fd7a0ca180a78d7801d79a8ecafa79bd9d501d544cd7b6da53ea409daa70adf
 DIST Python-3.8.18.tar.xz.asc 833 BLAKE2B bc4e989748d53c6be7040e78d9f1852227c6a76f4c63a68824f5139defd51d1ea7988df01f961ff5c77382e156ef45fead2bb97bddbb38b208ddfa9c709e4f34 SHA512 99a0fd74fe19144819fd9522836474e10c1593787eb464694bdc6224b2d4a9331e31d2ecafc35c2bbb9bf67f20186295b28f9374c1fdcd05ac13f5f400219489
 DIST Python-3.9.18.tar.xz 19673928 BLAKE2B 97da9bedaf29101e5df82199ac3ee12f1da74d5cc89de21ff1510c3f6d34d7f9194489e79855f1ab3c6f26768738e784cb7231c1a692fa746edd21d35558bc4e SHA512 aab155aca757d298394eddb91ff9a8f239665bd46feb495c6b6f735bbcb7489c05c858cc4cd08f1575c24f293b33492d763e9a140d92f0b2b0cc81a165a677c7
@@ -17,5 +19,6 @@ DIST python-gentoo-patches-3.10.13_p3.tar.xz 16192 BLAKE2B f13efbaf3b41572cc9d1f
 DIST python-gentoo-patches-3.11.8_p1.tar.xz 9604 BLAKE2B 9017104f160f24e0a1818a8b12225c596faee79d646cc73b6edc4ed1e3faca86cfa2fcea09a128224b85330a67dea65f658507e60dcd09b10af0d590a2b05082 SHA512 0f0afa57abfb4282953a1a78e5ad1cc5e17c0a205e96d9c152f9de6537da95671c1d429ac03fd6aa70a457b27a19b0892a1f9b81164468c4085172a58f5e8d9e
 DIST python-gentoo-patches-3.12.2_p1.tar.xz 7208 BLAKE2B 8266f2b6c64ffd509278c0d8756680e6700dcd3ed3ab6d3f0e1be2cc87cb20bc694f9e386b474fa5d115ffecdd5d4807a956a48450e109ef7f449ed6f4a8afce SHA512 5fdb93ffae471b5a9e617c12ca1646b9521867cd260efe6da6350fcf5ba24114cad1dc715f033079ab69ecab7cc62c870e14fe2d2035c2d7f29c05cc0f1297db
 DIST python-gentoo-patches-3.13.0a4.tar.xz 5256 BLAKE2B e3ad093b0c4bb044fb5883b5af14d130a6d5c94d8e9094263544f458ba2a38056ae64bd94d78ec44372caf40fafdb542d06be197cd5d1742f43a4f842d2fd2e3 SHA512 d845febc89d089791bac09beb758a615c20968b97077a3483c037562b4811edfe7c2d17e815032a77676bafda6ed838dba370fdcbba37f93ea83ee9d4b092fe8
+DIST python-gentoo-patches-3.13.0a5.tar.xz 5272 BLAKE2B d3251c26bf170c30cd3c935f697617e431c4d8dd9192e0ffd7a314b6780bf193b1fa1d6f4108455c993a0057b4712d336132ccc49fcd3d510003868afb3c2b5b SHA512 13dcdf5b037a7c09a9964cbe74c7caa26894bb842b53d7ff027a1675a005bd72452526b18e69b7c1579a3b786f67d4b3236c1c744b224bc7a09fa61aead01ef4
 DIST python-gentoo-patches-3.8.18_p2.tar.xz 34160 BLAKE2B 2e97f70615b950798cb7e2ae076f6617da3c28ef2d3f56f4e9be5c9144a64512fab1c098ed778d740ef79fc95af3ede231efc712304937c65b867e6e18dc0405 SHA512 fd05a1f6f7ae8173f4976464116fed66486a36b937f638d97d60c2eb0f3b277525b25b60c800c3b2b3403b63c0cb813b138094c59ccf43aeecc4a23c69f2f3ca
 DIST python-gentoo-patches-3.9.18_p2.tar.xz 26756 BLAKE2B d9625e8972e2b7536ca1f54a284f0b414361e234b869f98593d132d7bc63b7a1a311c3e6769deba1f07358053982845a96b62b14871388e3b6d211f51f7358b5 SHA512 83584170cb29fb71937dd224af381cd5602b736d893c8ae89891805d6882d74208244040e3278baef82c31a6769c827c21746265260e9be7bc55ffdb8b625b2d

diff --git a/dev-lang/python/python-3.13.0_alpha5.ebuild b/dev-lang/python/python-3.13.0_alpha5.ebuild
new file mode 100644
index 000000000000..b763d4213f47
--- /dev/null
+++ b/dev-lang/python/python-3.13.0_alpha5.ebuild
@@ -0,0 +1,545 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="8"
+
+LLVM_COMPAT=( 16 )
+LLVM_OPTIONAL=1
+WANT_LIBTOOL="none"
+
+inherit autotools check-reqs flag-o-matic llvm-r1 multiprocessing
+inherit pax-utils python-utils-r1 toolchain-funcs verify-sig
+
+MY_PV=${PV/_alpha/a}
+MY_P="Python-${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}"
+IUSE="
+	bluetooth build debug +ensurepip examples gdbm jit libedit
+	+ncurses pgo +readline +sqlite +ssl test tk valgrind
+"
+REQUIRED_USE="jit? ( ${LLVM_REQUIRED_USE} )"
+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-libs/zlib-1.1.3:=
+	virtual/libcrypt:=
+	virtual/libintl
+	ensurepip? ( dev-python/ensurepip-pip )
+	gdbm? ( sys-libs/gdbm:=[berkdb] )
+	kernel_linux? ( sys-apps/util-linux:= )
+	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
+	)
+"
+# bluetooth requires headers from bluez
+DEPEND="
+	${RDEPEND}
+	bluetooth? ( net-wireless/bluez )
+	test? (
+		app-arch/xz-utils
+		dev-python/ensurepip-pip
+		dev-python/ensurepip-setuptools
+		dev-python/ensurepip-wheel
+	)
+	valgrind? ( dev-debug/valgrind )
+"
+# autoconf-archive needed to eautoreconf
+BDEPEND="
+	dev-build/autoconf-archive
+	app-alternatives/awk
+	virtual/pkgconfig
+	jit? (
+		$(llvm_gen_dep '
+			sys-devel/clang:${LLVM_SLOT}
+			sys-devel/llvm:${LLVM_SLOT}
+		')
+	)
+	verify-sig? ( >=sec-keys/openpgp-keys-python-20221025 )
+"
+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=/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=${PYVER}
+# false positives -- functions specific to *BSD
+QA_CONFIG_IMPL_DECL_SKIP=( chflags lchflags )
+
+pkg_pretend() {
+	use test && check-reqs_pkg_pretend
+}
+
+pkg_setup() {
+	use jit && llvm-r1_pkg_setup
+	use test && check-reqs_pkg_setup
+}
+
+src_unpack() {
+	if use verify-sig; then
+		verify-sig_verify_detached "${DISTDIR}"/${MY_P}.tar.xz{,.asc}
+	fi
+	default
+}
+
+src_prepare() {
+	# Ensure that internal copies of expat and libffi are not used.
+	# TODO: Makefile has annoying deps on expat headers
+	#rm -r Modules/expat || die
+
+	local PATCHES=(
+		"${WORKDIR}/${PATCHSET}"
+	)
+
+	default
+
+	# force the correct number of jobs
+	# https://bugs.gentoo.org/737660
+	sed -i -e "s:-j0:-j$(makeopts_jobs):" Makefile.pre.in || die
+
+	eautoreconf
+}
+
+build_cbuild_python() {
+	# Hack to workaround get_libdir not being able to handle CBUILD, bug #794181
+	local cbuild_libdir=$(unset PKG_CONFIG_PATH ; $(tc-getBUILD_PKG_CONFIG) --keep-system-libs --libs-only-L libffi)
+
+	# pass system CFLAGS & LDFLAGS as _NODIST, otherwise they'll get
+	# propagated to sysconfig for built extensions
+	#
+	# -fno-lto to avoid bug #700012 (not like it matters for mini-CBUILD Python anyway)
+	local -x CFLAGS_NODIST="${BUILD_CFLAGS} -fno-lto"
+	local -x LDFLAGS_NODIST=${BUILD_LDFLAGS}
+	local -x CFLAGS= LDFLAGS=
+	local -x BUILD_CFLAGS="${CFLAGS_NODIST}"
+	local -x BUILD_LDFLAGS=${LDFLAGS_NODIST}
+
+	# We need to build our own Python on CBUILD first, and feed it in.
+	# bug #847910
+	local myeconfargs_cbuild=(
+		"${myeconfargs[@]}"
+
+		--prefix="${BROOT}"/usr
+		--libdir="${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
+	)
+
+	mkdir "${WORKDIR}"/${P}-${CBUILD} || die
+	pushd "${WORKDIR}"/${P}-${CBUILD} &> /dev/null || die
+
+	# Avoid as many dependencies as possible for the cross build.
+	mkdir Modules || die
+	cat > Modules/Setup.local <<-EOF || die
+		*disabled*
+		nis
+		_dbm _gdbm
+		_sqlite3
+		_hashlib _ssl
+		_curses _curses_panel
+		readline
+		_tkinter
+		pyexpat
+		zlib
+		# We disabled these for CBUILD because Python's setup.py can't handle locating
+		# libdir correctly for cross. This should be rechecked for the pure Makefile approach,
+		# and uncommented if needed.
+		#_ctypes _crypt
+	EOF
+
+	ECONF_SOURCE="${S}" econf_build "${myeconfargs_cbuild[@]}"
+
+	# 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.
+	emake
+	popd &> /dev/null || die
+}
+
+src_configure() {
+	# 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
+
+	# 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
+			-u-network
+
+			# We use a timeout because of how often we've had hang issues
+			# here. It also matches the default upstream PROFILE_TASK.
+			--timeout 1200
+
+			-x test_gdb
+			-x test_dtrace
+
+			# 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
+
+			# Hangs (actually runs indefinitely executing itself w/ many cpython builds)
+			# bug #900429
+			-x test_tools
+		)
+
+		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
+		--without-lto
+		--with-system-expat
+		--with-platlibdir=lib
+		--with-pkg-config=yes
+		--with-wheel-pkg-dir="${EPREFIX}"/usr/lib/python/ensurepip
+
+		$(use_with debug assertions)
+		$(use_enable jit experimental-jit)
+		$(use_enable pgo optimizations)
+		$(use_with readline readline "$(usex libedit editline readline)")
+		$(use_with valgrind)
+	)
+
+	# https://bugs.gentoo.org/700012
+	if tc-is-lto; then
+		append-cflags $(test-flags-CC -ffat-lto-objects)
+		myeconfargs+=(
+			--with-lto
+		)
+	fi
+
+	# Force-disable modules we don't want built.
+	# See Modules/Setup for docs on how this works. Setup.local contains our local deviations.
+	cat > Modules/Setup.local <<-EOF || die
+		*disabled*
+		nis
+		$(usev !gdbm '_gdbm _dbm')
+		$(usev !sqlite '_sqlite3')
+		$(usev !ssl '_hashlib _ssl')
+		$(usev !ncurses '_curses _curses_panel')
+		$(usev !readline 'readline')
+		$(usev !tk '_tkinter')
+	EOF
+
+	# disable implicit optimization/debugging flags
+	local -x OPT=
+
+	if tc-is-cross-compiler ; then
+		build_cbuild_python
+		myeconfargs+=(
+			# Point the imminent CHOST build to the Python we just
+			# built for CBUILD.
+			--with-build-python="${WORKDIR}"/${P}-${CBUILD}/python
+		)
+	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"${ESYSROOT}"/usr/include/ncursesw
+	fi
+
+	econf "${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
+
+	# install epython.py as part of stdlib
+	echo "EPYTHON='python${PYVER}'" > Lib/epython.py || die
+}
+
+src_compile() {
+	# Ensure sed works as expected
+	# https://bugs.gentoo.org/594768
+	local -x LC_ALL=C
+	export PYTHONSTRICTEXTENSIONBUILD=1
+
+	# Save PYTHONDONTWRITEBYTECODE so that 'has_version' doesn't
+	# end up writing bytecode & violating sandbox.
+	# bug #831897
+	local -x _PYTHONDONTWRITEBYTECODE=${PYTHONDONTWRITEBYTECODE}
+
+	if use pgo ; then
+		# bug 660358
+		local -x COLUMNS=80
+		local -x PYTHONDONTWRITEBYTECODE=
+
+		addwrite "/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 -Onone 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${PYVER}
+
+	# the Makefile rules are broken
+	# https://github.com/python/cpython/issues/100221
+	mkdir -p "${libdir}"/lib-dynload || die
+
+	# -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" "${scriptdir}/python-config" || die
+	# pydoc
+	ln -s "../../../bin/pydoc${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
+}