dev-python/cython: Sync with Gentoo

It's from Gentoo commit ee1d3100795dbc051702f7015a57ea8f1361e8ef.

sdk_container/src/third_party/portage-stable/dev-python/cython/Manifest

@@ -1,2 +1,3 @@
 DIST cython-0.29.32.gh.tar.gz 2110417 BLAKE2B 008ffe325c87d165bf45afb2ff92db5286f611bbe425d0e9f18b530202135ca21f5f5ab564a4d0c6251ec2479ea0fd19207274a255fb1faf8863d3b067d17ae9 SHA512 55462792fa70d8edf60aa470627ab494918d7297fd7d282a7a54da76ee5a180233108404a1c8f3d79f6408f19b6e4f46b36e59fd47c38ede24f061f374437b6f
 DIST cython-0.29.33.gh.tar.gz 2113910 BLAKE2B 9212edfa36680a3243632d28c4f5616a7336e82ee1f96df7d5e29711056619639c9a8fe9bbf9aea0a86aed39e836dc6eaa112ad35080f530add6309ccd09c53c SHA512 85f5ba7159d8793dbda980140b26086727f356a71d78f8522419657841d07b865d09c2f0a0f77d398669d071c1d261060235321a19eb7808e35d24f8ac71560d
+DIST cython-3.0.0b1.gh.tar.gz 2659132 BLAKE2B 7ed252d90f71521f24817e064f1b55f671185053cdd46214fb14f2b6e16dbfbc46e87659681ead40a32bb0506150ae6b8cdbaceae7667811aa81f97a39b5efcc SHA512 a7b2e9c22d19eab9e4ad551895e5c8882a7098a52865e341fd84d902124b4599d193d202333d9f1ffd5354fff62637c65d124820e6721905edaed46b5881b14c

sdk_container/src/third_party/portage-stable/dev-python/cython/cython-0.29.33.ebuild

@@ -22,7 +22,7 @@ SRC_URI="
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris ~x86-solaris"
+KEYWORDS="~alpha ~amd64 ~arm arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris ~x86-solaris"
 IUSE="emacs test"
 RESTRICT="!test? ( test )"
 

sdk_container/src/third_party/portage-stable/dev-python/cython/cython-3.0.0_beta1.ebuild

@@ -0,0 +1,95 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{9..11} pypy3 )
+PYTHON_REQ_USE="threads(+)"
+
+inherit distutils-r1 toolchain-funcs elisp-common
+
+MY_P=${P/_beta/b}
+DESCRIPTION="A Python to C compiler"
+HOMEPAGE="
+	https://cython.org/
+	https://github.com/cython/cython/
+	https://pypi.org/project/Cython/
+"
+SRC_URI="
+	https://github.com/cython/cython/archive/${PV/_beta/b}.tar.gz
+		-> ${MY_P}.gh.tar.gz
+"
+S=${WORKDIR}/${MY_P}
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris ~x86-solaris"
+IUSE="emacs test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	emacs? ( >=app-editors/emacs-23.1:* )
+"
+BDEPEND="
+	${RDEPEND}
+	test? (
+		$(python_gen_cond_dep '
+			dev-python/numpy[${PYTHON_USEDEP}]
+		' python3_{8..10})
+	)
+"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-0.29.22-spawn-multiprocessing.patch"
+	"${FILESDIR}/${PN}-0.29.23-test_exceptions-py310.patch"
+)
+
+SITEFILE=50cython-gentoo.el
+
+distutils_enable_sphinx docs \
+	dev-python/jinja \
+	dev-python/sphinx-issues \
+	dev-python/sphinx-tabs
+
+python_compile() {
+	# Python gets confused when it is in sys.path before build.
+	local -x PYTHONPATH=
+
+	distutils-r1_python_compile
+}
+
+python_compile_all() {
+	use emacs && elisp-compile Tools/cython-mode.el
+}
+
+python_test() {
+	if has "${EPYTHON}" pypy3 python3.11; then
+		einfo "Skipping tests on ${EPYTHON} (xfail)"
+		return
+	fi
+
+	tc-export CC
+	# https://github.com/cython/cython/issues/1911
+	local -x CFLAGS="${CFLAGS} -fno-strict-overflow"
+	"${PYTHON}" runtests.py -vv --work-dir "${BUILD_DIR}"/tests ||
+		die "Tests fail with ${EPYTHON}"
+}
+
+python_install_all() {
+	local DOCS=( CHANGES.rst README.rst ToDo.txt USAGE.txt )
+	distutils-r1_python_install_all
+
+	if use emacs; then
+		elisp-install ${PN} Tools/cython-mode.*
+		elisp-site-file-install "${FILESDIR}/${SITEFILE}"
+	fi
+}
+
+pkg_postinst() {
+	use emacs && elisp-site-regen
+}
+
+pkg_postrm() {
+	use emacs && elisp-site-regen
+}