Publish srcux candidate 0000000619-20261010-030308

3 files changed, 1338 insertions, 0 deletions

diff --git a/dev-lang/python/Manifest b/dev-lang/python/Manifest
index 125caa3a8efc..5f9895cb56fa 100644
--- a/dev-lang/python/Manifest
+++ b/dev-lang/python/Manifest
@@ -30,6 +30,8 @@ DIST Python-3.14.7.tar.xz 24053924 BLAKE2B 7d6988f906a402dbfc87b690f228b5fc53de0
 DIST Python-3.14.7.tar.xz.sigstore 7101 BLAKE2B 9c016780aad594596b5f4782e755f211bf6c635026c2c854d6594aba2254c84eeb78f0e90eae4b0ba218168c2162999b2e9327184031c43d8b111fb72e95f888 SHA512 6e56084d4c45712d2ce21c4f16008513e4daa22f2a6174b4d715c2bcf80a2fa9a1356ea6c4ecb8470ab2f08117ef79301da666b53b264bac53ae0801e410d189
 DIST Python-3.14.8.tar.xz 24130644 BLAKE2B c357ff7ad35ed9daac86cf8b9ba05c2735104aaedd3b4e942e16f4f76ea4990d678f932da11b7d3e8677df5e3e848ed28d89b172844c53675cf09c86b2289903 SHA512 f9e6809b0c45d90fcc174b8051e15058a3037981c9136c598d110a118a22cbbb8263fbd677e07b2b9d93e1aa83cd9cb835b61b6af898fd301d1080a29c2156fe
 DIST Python-3.14.8.tar.xz.sigstore 7489 BLAKE2B 9815b29e63c481ecb5bdd37f2f8da2d1a363adb1fc138ac00fec37732ecd5dcb34e010c2aaed4dea3aa688543768870aad17cd7999006b8b7974ed05e125e4e2 SHA512 cc030677f2b22287ed42974cd5d2654d1eadec38d66080b04b4a5bf468e9055aeff127dbd5cce508d31c977a38d84a0e87eb3c6375b2b924e03f7883e1d602a9
+DIST Python-3.15.0.tar.xz 35688820 BLAKE2B fd061cceb89dc512b0e68f32189ba6d89e5707b633d5606215bdfa173ed67918127c195cbde6c0d759cb1197ebbbb030129f0520ef59eec83554d5d810257983 SHA512 293cbdbb20076c8d9f1ddfb9b72796974b00802f96691843af3924e55e2a7cbd89c1cd85ebd8e35a474eda9e7a878b6622238178ef2de4427e4e34ef70d04265
+DIST Python-3.15.0.tar.xz.sigstore 7310 BLAKE2B dc13104044018b770628b085b3baabba2e06decfb0f5d31573fc847c6ca0f933a5a8bf3ff8241fe948009c6a190ea1b3aaf9d787c8b6b8a89dd15bade6a60096 SHA512 995e0bc6732c27a8c18a4f8d0db957fbe6b8e777d7e0b92669e03918aeabbade5443429ff5070bf02a5e03f8c873db1e92fa83e5bf63340b10d8653550ee4bd6
 DIST Python-3.15.0b2.tar.xz 35381676 BLAKE2B 59834dc8301dcc9d7e25fd3faf6060a6755443f3782fd3f035d82896468013d01be1b558f7d5c7099b32d49256b09055fde324660d66a52900f519f75acb5556 SHA512 fae17efc3bd2604fdff2d63e0afeac47562165a5da2e1e027f4126b4f8bbb4957f3a2f406d6db23a20c8881fad108385b4b2afb53482075dbe16a690778ccd4a
 DIST Python-3.15.0b2.tar.xz.sigstore 5583 BLAKE2B a766583eb8340ac3bef93ac0bde0ffa66f4680361bb369b3baccd715eb24a8a1f2e5f1ba049e1e8d3c7c53f41a2fe4b0402104156f7c0609355a18dbb24c99e2 SHA512 78f437419f67b10d556ec2304e9f46af4ee0114434e1c51594ccf202aa98ae3b733f4022aeac8fc1afdeeb29fda9328f855dd4914d38318c9ec965b45358153c
 DIST Python-3.15.0b3.tar.xz 35459584 BLAKE2B 613f3609775df8b899603363a5e6cce39d3e1e56451c626cf87adc6149d9bbe5d1cddce86e3d86eb521747f4f0ada226322d0d737f881d107adccfd7b8533098 SHA512 a8c73a8e373ca921c87778d011072c1a0602cc203c65acda69117189cf5bd6c277c54044af381f27c243b187bbbb7b3ef47b9318bc89e2c044de9723175d7dca
@@ -63,6 +65,7 @@ DIST python-gentoo-patches-3.14.6.tar.xz 10312 BLAKE2B 3415bb7859cdd8754987afdc7
 DIST python-gentoo-patches-3.14.6_p1.tar.xz 12032 BLAKE2B 315de6cb5f346c6406e12d4cb6ccbc986e6a39dc334e5ceb4d1ba4922a336d77f0bd0167fb7ef4d1c40ce0829e03248e838dbfbd0a46c0e4e0f6cf9e999e09e8 SHA512 2ac689aa6cff138782440ce1104bf21eace756fd1a72e22590c14157390937f7f50cd1e1ca774bb5a1ff08404b74901fb55d703c39a6ff9c9165e420d1b045e9
 DIST python-gentoo-patches-3.14.7.tar.xz 10304 BLAKE2B df9214b27caaef53da93e5468faae24186d5f37b675a86289ae0161539935a509d60635cde4569efd03769e228fb7d450e396bf731db2b49d4a46e0f70df4a87 SHA512 d8313edbf5126df6ed59d4e06fb813574e4dd672ccd433e6de776a06757deda0e0495bb92e59508d86bb5ee84d2fab8141c5446f6541104b1bd80c8647a1f705
 DIST python-gentoo-patches-3.14.8.tar.xz 10300 BLAKE2B d03992cf3aa224c03bdff6bb837879fac6c935265a384170c4139d09a9e3fb246cd7822ae171ed88999d6120512e7f49bd04c1d3f7ccee1967e194e1186ce7b3 SHA512 9d05432b04718ddaa5d09a0fc99d2498078398e94f00470b48f19c1779cc86997917825a1d2ac539e2170d8f0a9ade82a9b8909ae221db395a6f9fdbde3a24f6
+DIST python-gentoo-patches-3.15.0.tar.xz 4624 BLAKE2B 844b76e97fe4564613e4a00d02f77b18ef63a1b731ee7112789f9067d973decbcab05aeca2da32945b2c1f03e81705e7b102d4281b43287db948a3483e702f35 SHA512 0b0df753ab876f579e59b351d72b80279562236a1f5b36016eff133e4e3a7bdac7705af53a2f3a8ec4a0836c9357ceb5ea236047e3b12ceedb8ed593267f6cfe
 DIST python-gentoo-patches-3.15.0b2.tar.xz 3436 BLAKE2B fa2128b899f2d93078058ccd3e47b780bd092a841b07add94da61a55bb1f9846ec1fa5e00bcd78fcdd1d7da80fdf1dbabcc5d644a70cebce2018c457b186c74a SHA512 e92e87c027c8d777faae20b264cd83353dbb23d15679e99465f014277d02078b8c68fce3723e176cbebd94ac2057e5a9703f0ae5f5691e934b74947735ec3a86
 DIST python-gentoo-patches-3.15.0b3.tar.xz 3432 BLAKE2B 994e9339e00dfa4b40395e763f25dde4813d791151787028dafcf2e5159c38bbe88d4b56d07fc4c7454a09bd55edfda94b9cb8cf5c0ff0ffe7db4bb1a8eea8b6 SHA512 8c3a8dea43fc42179679b1f6811979dabb4e1c34821b4aecd894d661842df26e7592f5c74787157f36ccddf9ce233994c774fbe8381dc0ccaff3dfcff0c6c572
 DIST python-gentoo-patches-3.15.0b4_p1.tar.xz 4272 BLAKE2B 850ff2a20381a562da3e727fcbf4d2de88682b9ec086c31359de8a31e0aaf2b87da91d55ec7ceb690c7969d75683bd07e43f88d3bf6f33448f98674c49b404b2 SHA512 7baa9b19cb01bf6c1fc5ca5a62cd08967d4be3f697931ffc7e56da150d4d9a038b1ed212543ae334cb826f59a20ec6cc5d329db72e62fd152271817f5ded1975
diff --git a/dev-lang/python/python-0.3.15.0.ebuild b/dev-lang/python/python-0.3.15.0.ebuild
new file mode 100644
index 000000000000..e3c752a01053
--- /dev/null
+++ b/dev-lang/python/python-0.3.15.0.ebuild
@@ -0,0 +1,665 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="8"
+
+VERIFY_SIG_METHOD=sigstore
+WANT_LIBTOOL="none"
+
+inherit autotools check-reqs eapi9-ver flag-o-matic linux-info
+inherit multiprocessing pax-utils python-utils-r1 toolchain-funcs
+inherit verify-sig
+
+REAL_PV=${PV#0.}
+MY_PV=${REAL_PV/_}
+MY_P="Python-${MY_PV%_p*}"
+PYVER="$(ver_cut 2-3)t"
+PATCHSET="python-gentoo-patches-${MY_PV}"
+
+DESCRIPTION="Freethreading (no-GIL) version of Python programming language"
+HOMEPAGE="
+	https://www.python.org/
+	https://github.com/python/cpython/
+"
+SRC_URI="
+	https://www.python.org/ftp/python/${REAL_PV%%_*}/${MY_P}.tar.xz
+	https://distfiles.gentoo.org/pub/proj/python/patchsets/${PYVER%t}/${PATCHSET}.tar.xz
+	verify-sig? (
+		https://www.python.org/ftp/python/${REAL_PV%%_*}/${MY_P}.tar.xz.sigstore
+	)
+"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="PSF-2"
+SLOT="${PYVER}"
+if [[ ${PV} != *_rc* ]]; then
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+fi
+IUSE="
+	bluetooth build debug +ensurepip examples gdbm libedit +ncurses pgo
+	+readline +sqlite +ssl tail-call-interp 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-misc/mime-types
+	>=dev-libs/expat-2.1:=
+	dev-libs/libffi:=
+	dev-libs/mpdecimal:=
+	dev-python/gentoo-common
+	sys-apps/util-linux
+	>=virtual/zlib-1.1.3:=
+	virtual/libintl
+	!build? ( app-arch/zstd:= )
+	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
+	)
+"
+# bluetooth requires headers from bluez
+DEPEND="
+	${RDEPEND}
+	bluetooth? ( net-wireless/bluez )
+	test? (
+		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
+	tail-call-interp? (
+		|| (
+			>=sys-devel/gcc-16:*
+			>=llvm-core/clang-19:*
+		)
+	)
+"
+if [[ ${PV} != *_alpha* ]]; then
+	RDEPEND+="
+		dev-lang/python-exec[python_targets_python${PYVER/./_}(-)]
+	"
+fi
+PDEPEND="
+	ensurepip? ( dev-python/ensurepip-pip )
+"
+
+# https://www.python.org/downloads/metadata/sigstore/
+VERIFY_SIG_CERT_IDENTITY=hugo@python.org
+VERIFY_SIG_CERT_OIDC_ISSUER=https://github.com/login/oauth
+
+# large file tests involve a 2.5G file being copied (duplicated)
+CHECKREQS_DISK_BUILD=5500M
+
+QA_PKGCONFIG_VERSION=${PYVER%t}
+# false positives -- functions specific to *BSD
+QA_CONFIG_IMPL_DECL_SKIP=( chflags lchflags )
+
+declare -rgA PYTHON_KERNEL_CHECKS=(
+	["CROSS_MEMORY_ATTACH"]="test_external_inspection" #bug 938589
+	["DNOTIFY"]="test_fcntl" # bug 938662
+)
+
+pkg_pretend() {
+	if use pgo || use test; then
+		check-reqs_pkg_pretend
+	fi
+
+	ewarn "Freethreading build is considered experimental upstream.  Using it"
+	ewarn "could lead to unexpected breakage, including race conditions"
+	ewarn "and crashes, respectively.  Please do not file Gentoo bugs, unless"
+	ewarn "you can reproduce the problem with dev-lang/python.  Instead,"
+	ewarn "please consider reporting freethreading problems upstream."
+
+	if [[ ${MERGE_TYPE} != buildonly ]] && ver_replacing -lt 0.3.15.0_beta4; then
+		ewarn
+		ewarn "Python 3.15.0b4 has broken its extension ABI.  The extensions built"
+		ewarn "with older versions may crash at runtime or worse after upgrading."
+		ewarn "A rebuild is recommended after the merge is complete, e.g. using:"
+		ewarn
+		ewarn "  emerge -1v \$(find /usr/lib/python3.15t/site-packages -name '*.cpython-315t-*.so')"
+		ewarn
+		ewarn "Note that if you enabled both python3_15 and python3_15t, then"
+		ewarn "the 3.15 rebuild should cover all 3.15t packages as well."
+		ewarn "If you do not wish to perform the rebuild at the time, it is"
+		ewarn "recommended to abort the upgrade."
+		ewarn
+	fi
+}
+
+pkg_setup() {
+	if [[ ${MERGE_TYPE} != binary ]]; then
+		if use test || use pgo; then
+			check-reqs_pkg_setup
+
+			local CONFIG_CHECK
+			for f in "${!PYTHON_KERNEL_CHECKS[@]}"; do
+				CONFIG_CHECK+="~${f} "
+			done
+			linux-info_pkg_setup
+		fi
+		if use tail-call-interp; then
+			tc-check-min_ver gcc 16
+			tc-check-min_ver clang 19
+		fi
+	fi
+}
+
+src_unpack() {
+	if use verify-sig; then
+		verify-sig_verify_detached "${DISTDIR}"/${MY_P}.tar.xz{,.sigstore}
+	fi
+	default
+}
+
+src_prepare() {
+	# Ensure that internal copies of expat and libffi are not used.
+	# TODO: Makefile has annoying deps on expat headers
+	#rm -r Modules/expat || die
+
+	local PATCHES=(
+		"${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
+
+	# breaks tests when using --with-wheel-pkg-dir
+	rm -r Lib/test/wheeldata || 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="${BUILD_LDFLAGS} -fno-lto"
+	local -x CFLAGS= LDFLAGS=
+	local -x BUILD_CFLAGS="${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
+	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
+
+	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
+
+	# Set baseline test skip flags.
+	COMMON_TEST_SKIPS=(
+		# running gdb inside an ebuild as non-root, within sandbox,
+		# and possibly within a container is unreliable
+		-x test_gdb
+		# this is actually test_gdb.test_pretty_print
+		-x test_pretty_print
+		# https://bugs.gentoo.org/933840
+		-x test_perf_profiler
+	)
+
+	# Arch-specific skips.  See #931888 for a collection of these.
+	case ${CHOST} in
+		alpha*)
+			COMMON_TEST_SKIPS+=(
+				-x test_builtin
+				-x test_capi
+				-x test_cmath
+				-x test_float
+				# timeout
+				-x test_free_threading
+				-x test_math
+				-x test_numeric_tower
+				-x test_random
+				-x test_statistics
+				# bug 653850
+				-x test_resource
+				-x test_strtod
+			)
+			;;
+		mips*)
+			COMMON_TEST_SKIPS+=(
+				-x test_ctypes
+				-x test_external_inspection
+				-x test_statistics
+			)
+			;;
+		riscv*)
+			COMMON_TEST_SKIPS+=(
+				-x test_urllib2
+			)
+			;;
+		sparc*)
+			COMMON_TEST_SKIPS+=(
+				# bug 788022
+				-x test_multiprocessing_fork
+				-x test_multiprocessing_forkserver
+				-x test_multiprocessing_spawn
+
+				-x test_ctypes
+				# bug 931908
+				-x test_exceptions
+			)
+			;;
+	esac
+
+	# Kernel-config specific skips
+	for option in "${!PYTHON_KERNEL_CHECKS[@]}"; do
+		if ! linux_config_exists || ! linux_chkconfig_present "${option}"
+		then
+			COMMON_TEST_SKIPS+=( -x "${PYTHON_KERNEL_CHECKS[${option}]}" )
+		fi
+	done
+
+	# musl-specific skips
+	use elibc_musl && COMMON_TEST_SKIPS+=(
+		# various musl locale deficiencies
+		-x test__locale
+		-x test_c_locale_coercion
+		-x test_locale
+		-x test_re
+
+		# known issues with find_library on musl
+		# https://bugs.python.org/issue21622
+		-x test_ctypes
+
+		# fpathconf, ttyname errno values
+		-x test_os
+	)
+
+	if use pgo; then
+		local profile_task_flags=(
+			-m test
+			"-j$(makeopts_jobs)"
+			--pgo-extended
+			--verbose3
+			-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
+
+			"${COMMON_TEST_SKIPS[@]}"
+
+			-x test_dtrace
+
+			# All of these seem to occasionally hang for PGO inconsistently
+			# They'll even hang here but be fine in src_test sometimes.
+			# bug #828535 (and related: bug #788022)
+			-x test_asyncio
+			-x test_httpservers
+			-x test_logging
+			-x test_multiprocessing_fork
+			-x test_socket
+			-x test_xmlrpc
+
+			# Hangs (actually runs indefinitely executing itself w/ many cpython builds)
+			# bug #900429
+			-x test_tools
+
+			# Test terminates abruptly which corrupts written profile data
+			# bug #964023
+			-x test_pyrepl
+		)
+
+		if has_version "app-arch/rpm" ; then
+			# Avoid sandbox failure (attempts to write to /var/lib/rpm)
+			profile_task_flags+=(
+				-x test_distutils
+			)
+		fi
+		# PGO sometimes fails randomly
+		local -x PROFILE_TASK="${profile_task_flags[*]} || true"
+	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-dbmliborder="${dbmliborder}"
+		--with-libc=
+		--enable-loadable-sqlite-extensions
+		--without-ensurepip
+		--without-lto
+		--with-system-expat
+		--with-system-libmpdec
+		--with-platlibdir=lib
+		--with-pkg-config=yes
+		--with-wheel-pkg-dir="${EPREFIX}"/usr/lib/python/ensurepip
+		--disable-gil
+
+		$(use_with debug assertions)
+		$(use_enable pgo optimizations)
+		$(use_with readline readline "$(usex libedit editline readline)")
+		$(use_with tail-call-interp)
+		$(use_with valgrind)
+	)
+
+	if tc-is-lto; then
+		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 build '_zstd')
+		$(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}
+
+	# Gentoo hack to disable accessing system site-packages
+	export GENTOO_CPYTHON_BUILD=1
+
+	if use pgo ; then
+		# bug 660358
+		local -x COLUMNS=80
+		local -x PYTHONDONTWRITEBYTECODE=
+		local -x TMPDIR=/var/tmp
+	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=${_PYTHONDONTWRITEBYTECODE}
+
+	# Work around bug 329499. See also bug 413751 and 457194.
+	if has_version dev-libs/libffi[pax-kernel]; then
+		pax-mark E python
+	else
+		pax-mark m python
+	fi
+}
+
+src_test() {
+	# Tests will not work when cross compiling.
+	if tc-is-cross-compiler; then
+		elog "Disabling tests due to crosscompiling."
+		return
+	fi
+
+	# this just happens to skip test_support.test_freeze that is broken
+	# without bundled expat
+	# TODO: get a proper skip for it upstream
+	local -x LOGNAME=buildbot
+
+	local test_opts=(
+		--verbose3
+		-u-network
+		-j "$(makeopts_jobs)"
+		"${COMMON_TEST_SKIPS[@]}"
+	)
+
+	# bug 660358
+	local -x COLUMNS=80
+	local -x PYTHONDONTWRITEBYTECODE=
+	local -x TMPDIR=/var/tmp
+
+	nonfatal emake -Onone test EXTRATESTOPTS="${test_opts[*]}" \
+		CPPFLAGS= CFLAGS= LDFLAGS= < /dev/tty
+	local ret=${?}
+
+	[[ ${ret} -eq 0 ]] || die "emake test failed"
+}
+
+src_install() {
+	local libdir=${ED}/usr/lib/python${PYVER}
+	local build_dir=$(<pybuilddir.txt)
+
+	# -j1 hack for now for bug #843458
+	emake -j1 DESTDIR="${D}" TEST_MODULES=no altinstall
+
+	# Install build-details.json manually because it was randomly removed
+	# from altinstall in https://github.com/python/cpython/pull/142269.
+	cp "${build_dir}"/build-details.json "${libdir}"/ || die
+
+	# Fix collisions between different slots of Python.
+	rm "${ED}/usr/$(get_libdir)/libpython3.so" || die
+	# Fix collision with GIL-enabled build.
+	rm "${ED}/usr/bin/python${PYVER%t}" || die
+	mv "${ED}"/usr/bin/pydoc{${PYVER%t},${PYVER}} || die
+	mv "${ED}"/usr/share/man/man1/python{${PYVER%t},${PYVER}}.1 || die
+
+	# Cheap hack to get version with ABIFLAGS
+	local abiver=$(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 sqlite; then
+		rm -r "${libdir}/"sqlite3 || die
+	fi
+	if use tk; then
+		# rename to avoid collision with dev-lang/python
+		mv "${ED}"/usr/bin/idle{${PYVER%t},${PYVER}} || die
+	else
+		rm -r "${ED}/usr/bin/idle${PYVER%t}" || die
+		rm -r "${libdir}/"{idlelib,tkinter} || die
+	fi
+
+	ln -s ../python/EXTERNALLY-MANAGED "${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}" "${scriptdir}/idle" || die
+	fi
+}
+
+pkg_postinst() {
+	if ver_replacing -lt 0.3.15.0_beta4; then
+		ewarn "Python 3.15.0b4 has broken its extension ABI.  The extensions built"
+		ewarn "with older versions may crash at runtime or worse.  To prevent this,"
+		ewarn "please rebuild all extensions using the versoned ABI, e.g. using:"
+		ewarn
+		ewarn "  emerge -1v \$(find /usr/lib/python3.15t/site-packages -name '*.cpython-315t-*.so')"
+		ewarn
+		ewarn "Note that if you enabled both python3_15 and python3_15t, then"
+		ewarn "the 3.15 rebuild should cover all 3.15t packages already."
+	fi
+}
diff --git a/dev-lang/python/python-3.15.0.ebuild b/dev-lang/python/python-3.15.0.ebuild
new file mode 100644
index 000000000000..72a0704c646f
--- /dev/null
+++ b/dev-lang/python/python-3.15.0.ebuild
@@ -0,0 +1,670 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="8"
+
+LLVM_COMPAT=( 21 )
+LLVM_OPTIONAL=1
+VERIFY_SIG_METHOD=sigstore
+WANT_LIBTOOL="none"
+
+inherit autotools check-reqs eapi9-ver flag-o-matic linux-info llvm-r2
+inherit multiprocessing pax-utils python-utils-r1 toolchain-funcs
+inherit verify-sig
+
+MY_PV=${PV/_}
+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%%_*}/${MY_P}.tar.xz
+	https://distfiles.gentoo.org/pub/proj/python/patchsets/${PYVER%t}/${PATCHSET}.tar.xz
+	verify-sig? (
+		https://www.python.org/ftp/python/${PV%%_*}/${MY_P}.tar.xz.sigstore
+	)
+"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="PSF-2"
+SLOT="${PYVER}"
+if [[ ${PV} != *_rc* ]]; then
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+fi
+IUSE="
+	bluetooth build debug +ensurepip examples gdbm jit libedit +ncurses pgo
+	+readline +sqlite +ssl tail-call-interp 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-misc/mime-types
+	>=dev-libs/expat-2.1:=
+	dev-libs/libffi:=
+	dev-libs/mpdecimal:=
+	dev-python/gentoo-common
+	sys-apps/util-linux
+	>=virtual/zlib-1.1.3:=
+	virtual/libintl
+	!build? ( app-arch/zstd:= )
+	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
+	)
+"
+# bluetooth requires headers from bluez
+DEPEND="
+	${RDEPEND}
+	bluetooth? ( net-wireless/bluez )
+	test? (
+		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? (
+		$(llvm_gen_dep '
+			llvm-core/clang:${LLVM_SLOT}
+			llvm-core/llvm:${LLVM_SLOT}
+		')
+	)
+	tail-call-interp? (
+		|| (
+			>=sys-devel/gcc-16:*
+			>=llvm-core/clang-19:*
+		)
+	)
+"
+if [[ ${PV} != *_alpha* ]]; then
+	RDEPEND+="
+		dev-lang/python-exec[python_targets_python${PYVER/./_}(-)]
+	"
+fi
+PDEPEND="
+	ensurepip? ( dev-python/ensurepip-pip )
+"
+
+# https://www.python.org/downloads/metadata/sigstore/
+VERIFY_SIG_CERT_IDENTITY=hugo@python.org
+VERIFY_SIG_CERT_OIDC_ISSUER=https://github.com/login/oauth
+
+# large file tests involve a 2.5G file being copied (duplicated)
+CHECKREQS_DISK_BUILD=5500M
+
+QA_PKGCONFIG_VERSION=${PYVER%t}
+# false positives -- functions specific to *BSD
+QA_CONFIG_IMPL_DECL_SKIP=( chflags lchflags )
+
+declare -rgA PYTHON_KERNEL_CHECKS=(
+	["CROSS_MEMORY_ATTACH"]="test_external_inspection" #bug 938589
+	["DNOTIFY"]="test_fcntl" # bug 938662
+)
+
+pkg_pretend() {
+	if use pgo || use test; then
+		check-reqs_pkg_pretend
+	fi
+
+	if use jit; then
+		ewarn "USE=jit is considered experimental upstream.  Using it"
+		ewarn "could lead to unexpected breakage, including race conditions"
+		ewarn "and crashes, respectively.  Please do not file Gentoo bugs, unless"
+		ewarn "you can reproduce the problem with dev-lang/python[-jit].  Instead,"
+		ewarn "please consider reporting JIT problems upstream."
+	fi
+
+	if [[ ${MERGE_TYPE} != buildonly ]] && ver_replacing -lt 3.15.0_beta4; then
+		ewarn
+		ewarn "Python 3.15.0b4 has broken its extension ABI.  The extensions built"
+		ewarn "with older versions may crash at runtime or worse after upgrading."
+		ewarn "A rebuild is recommended after the merge is complete, e.g. using:"
+		ewarn
+		ewarn "  emerge -1v \$(find /usr/lib/python3.15/site-packages -name '*.cpython-315-*.so')"
+		ewarn
+		ewarn "Note that if you enabled both python3_15 and python3_15t, then"
+		ewarn "the 3.15 rebuild should cover all 3.15t packages already."
+		ewarn "If you do not wish to perform the rebuild at the time, it is"
+		ewarn "recommended to abort the upgrade."
+		ewarn
+	fi
+}
+
+pkg_setup() {
+	if [[ ${MERGE_TYPE} != binary ]]; then
+		use jit && llvm-r2_pkg_setup
+		if use test || use pgo; then
+			check-reqs_pkg_setup
+
+			local CONFIG_CHECK
+			for f in "${!PYTHON_KERNEL_CHECKS[@]}"; do
+				CONFIG_CHECK+="~${f} "
+			done
+			linux-info_pkg_setup
+		fi
+		if use tail-call-interp; then
+			tc-check-min_ver gcc 16
+			tc-check-min_ver clang 19
+		fi
+	fi
+}
+
+src_unpack() {
+	if use verify-sig; then
+		verify-sig_verify_detached "${DISTDIR}"/${MY_P}.tar.xz{,.sigstore}
+	fi
+	default
+}
+
+src_prepare() {
+	# Ensure that internal copies of expat and libffi are not used.
+	# TODO: Makefile has annoying deps on expat headers
+	#rm -r Modules/expat || die
+
+	local PATCHES=(
+		"${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
+
+	# breaks tests when using --with-wheel-pkg-dir
+	rm -r Lib/test/wheeldata || 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="${BUILD_LDFLAGS} -fno-lto"
+	local -x CFLAGS= LDFLAGS=
+	local -x BUILD_CFLAGS="${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
+	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
+
+	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
+
+	# Set baseline test skip flags.
+	COMMON_TEST_SKIPS=(
+		# running gdb inside an ebuild as non-root, within sandbox,
+		# and possibly within a container is unreliable
+		-x test_gdb
+		# this is actually test_gdb.test_pretty_print
+		-x test_pretty_print
+		# https://bugs.gentoo.org/933840
+		-x test_perf_profiler
+	)
+
+	# Arch-specific skips.  See #931888 for a collection of these.
+	case ${CHOST} in
+		alpha*)
+			COMMON_TEST_SKIPS+=(
+				-x test_builtin
+				-x test_capi
+				-x test_cmath
+				-x test_float
+				# timeout
+				-x test_free_threading
+				-x test_math
+				-x test_numeric_tower
+				-x test_random
+				-x test_statistics
+				# bug 653850
+				-x test_resource
+				-x test_strtod
+			)
+			;;
+		mips*)
+			COMMON_TEST_SKIPS+=(
+				-x test_ctypes
+				-x test_external_inspection
+				-x test_statistics
+			)
+			;;
+		riscv*)
+			COMMON_TEST_SKIPS+=(
+				-x test_urllib2
+			)
+			;;
+		sparc*)
+			COMMON_TEST_SKIPS+=(
+				# bug 788022
+				-x test_multiprocessing_fork
+				-x test_multiprocessing_forkserver
+				-x test_multiprocessing_spawn
+
+				-x test_ctypes
+				# bug 931908
+				-x test_exceptions
+			)
+			;;
+	esac
+
+	# Kernel-config specific skips
+	for option in "${!PYTHON_KERNEL_CHECKS[@]}"; do
+		if ! linux_config_exists || ! linux_chkconfig_present "${option}"
+		then
+			COMMON_TEST_SKIPS+=( -x "${PYTHON_KERNEL_CHECKS[${option}]}" )
+		fi
+	done
+
+	# musl-specific skips
+	use elibc_musl && COMMON_TEST_SKIPS+=(
+		# various musl locale deficiencies
+		-x test__locale
+		-x test_c_locale_coercion
+		-x test_locale
+		-x test_re
+
+		# known issues with find_library on musl
+		# https://bugs.python.org/issue21622
+		-x test_ctypes
+
+		# fpathconf, ttyname errno values
+		-x test_os
+	)
+
+	if use pgo; then
+		local profile_task_flags=(
+			-m test
+			"-j$(makeopts_jobs)"
+			--pgo-extended
+			--verbose3
+			-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
+
+			"${COMMON_TEST_SKIPS[@]}"
+
+			-x test_dtrace
+
+			# All of these seem to occasionally hang for PGO inconsistently
+			# They'll even hang here but be fine in src_test sometimes.
+			# bug #828535 (and related: bug #788022)
+			-x test_asyncio
+			-x test_httpservers
+			-x test_logging
+			-x test_multiprocessing_fork
+			-x test_socket
+			-x test_xmlrpc
+
+			# Hangs (actually runs indefinitely executing itself w/ many cpython builds)
+			# bug #900429
+			-x test_tools
+
+			# Test terminates abruptly which corrupts written profile data
+			# bug #964023
+			-x test_pyrepl
+		)
+
+		if has_version "app-arch/rpm" ; then
+			# Avoid sandbox failure (attempts to write to /var/lib/rpm)
+			profile_task_flags+=(
+				-x test_distutils
+			)
+		fi
+		# PGO sometimes fails randomly
+		local -x PROFILE_TASK="${profile_task_flags[*]} || true"
+	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-dbmliborder="${dbmliborder}"
+		--with-libc=
+		--enable-loadable-sqlite-extensions
+		--without-ensurepip
+		--without-lto
+		--with-system-expat
+		--with-system-libmpdec
+		--with-platlibdir=lib
+		--with-pkg-config=yes
+		--with-wheel-pkg-dir="${EPREFIX}"/usr/lib/python/ensurepip
+		--enable-gil
+
+		$(use_with debug assertions)
+		$(use_enable jit experimental-jit)
+		$(use_enable pgo optimizations)
+		$(use_with readline readline "$(usex libedit editline readline)")
+		$(use_with tail-call-interp)
+		$(use_with valgrind)
+	)
+
+	if tc-is-lto; then
+		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 build '_zstd')
+		$(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}
+
+	# Gentoo hack to disable accessing system site-packages
+	export GENTOO_CPYTHON_BUILD=1
+
+	if use pgo ; then
+		# bug 660358
+		local -x COLUMNS=80
+		local -x PYTHONDONTWRITEBYTECODE=
+		local -x TMPDIR=/var/tmp
+	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=${_PYTHONDONTWRITEBYTECODE}
+
+	# Work around bug 329499. See also bug 413751 and 457194.
+	if has_version dev-libs/libffi[pax-kernel]; then
+		pax-mark E python
+	else
+		pax-mark m python
+	fi
+}
+
+src_test() {
+	# Tests will not work when cross compiling.
+	if tc-is-cross-compiler; then
+		elog "Disabling tests due to crosscompiling."
+		return
+	fi
+
+	# this just happens to skip test_support.test_freeze that is broken
+	# without bundled expat
+	# TODO: get a proper skip for it upstream
+	local -x LOGNAME=buildbot
+
+	local test_opts=(
+		--verbose3
+		-u-network
+		-j "$(makeopts_jobs)"
+		"${COMMON_TEST_SKIPS[@]}"
+	)
+
+	# bug 660358
+	local -x COLUMNS=80
+	local -x PYTHONDONTWRITEBYTECODE=
+	local -x TMPDIR=/var/tmp
+
+	nonfatal emake -Onone test EXTRATESTOPTS="${test_opts[*]}" \
+		CPPFLAGS= CFLAGS= LDFLAGS= < /dev/tty
+	local ret=${?}
+
+	[[ ${ret} -eq 0 ]] || die "emake test failed"
+}
+
+src_install() {
+	local libdir=${ED}/usr/lib/python${PYVER}
+	local build_dir=$(<pybuilddir.txt)
+
+	# -j1 hack for now for bug #843458
+	emake -j1 DESTDIR="${D}" TEST_MODULES=no altinstall
+
+	# Install build-details.json manually because it was randomly removed
+	# from altinstall in https://github.com/python/cpython/pull/142269.
+	cp "${build_dir}"/build-details.json "${libdir}"/ || die
+
+	# Fix collisions between different slots of Python.
+	rm "${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 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} || 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() {
+	if ver_replacing -lt 3.15.0_beta4; then
+		ewarn "Python 3.15.0b4 has broken its extension ABI.  The extensions built"
+		ewarn "with older versions may crash at runtime or worse.  To prevent this,"
+		ewarn "please rebuild all extensions using the versoned ABI, e.g. using:"
+		ewarn
+		ewarn "  emerge -1v \$(find /usr/lib/python3.15/site-packages -name '*.cpython-315-*.so')"
+		ewarn
+		ewarn "Note that if you enabled both python3_15 and python3_15t, then"
+		ewarn "the 3.15 rebuild should cover all 3.15t packages already."
+	fi
+}