dev-python/lxml: Sync with Gentoo

It's from Gentoo commit 8e0fcb679adbc3eff42ee3caa6f29c05c640aba1.

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

@@ -1,2 +1,3 @@
 DIST lxml-5.2.2.gh.tar.gz 950650 BLAKE2B d9e3bd96f386a808eca58ffa9a6b5a79e43102b7161fac9b97905de2bd22d21feaddb093e27463f597ef5378d754011c2999a38953e6288595b8dd171976688b SHA512 20b87a2d6e7ac82b6979d6fd18ecd5c224fec6eeee6b69d47a5bf2947ce53e6a517d1b86ab68836a5974f78ce86551ddc2317c1a7255932b418b98dc64d59376
 DIST lxml-5.3.0.gh.tar.gz 951199 BLAKE2B 8317179c524856593b323f665c288ddddd8af7e716e1ddf1222a857c8466cfc62a6c20b21744ca418f809a3c8492216c5c9c38cfa62f2e7d51daea7343b6810b SHA512 514477bf4c865541233d73f20de816b51d265dbd75c56a0d13779e14527c73e85ca890718d06c08728da228d410459016e9cb8abdad4d03b44a81a04a198fb54
+DIST lxml-5.3.1.gh.tar.gz 951340 BLAKE2B e73cc8513cfe42d163b8475788472f00f2f3492deb7536b6556ed4f14924ffe57497947e660a161ec5a0821135b3d103799c0da0b9c647ccdcbfa9b0c5d6a1d9 SHA512 e89ada765791b67e4e83a9151c500f2e8d924c05d421a46bece1183666fc566d545d2e6b62987075e82cbafb8cd4b1f48f6f94e9ebcc0bbd7227d687b2282794

sdk_container/src/third_party/portage-stable/dev-python/lxml/lxml-5.3.1.ebuild

@@ -0,0 +1,119 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{10..13} pypy3 pypy3_11 )
+
+inherit distutils-r1 optfeature toolchain-funcs
+
+DESCRIPTION="A Pythonic binding for the libxml2 and libxslt libraries"
+HOMEPAGE="
+	https://lxml.de/
+	https://pypi.org/project/lxml/
+	https://github.com/lxml/lxml/
+"
+SRC_URI="
+	https://github.com/lxml/lxml/archive/${P}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+S=${WORKDIR}/lxml-${P}
+
+LICENSE="BSD ElementTree GPL-2 PSF-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+IUSE="doc examples +threads test"
+RESTRICT="!test? ( test )"
+
+# Note: lib{xml2,xslt} are used as C libraries, not Python modules.
+DEPEND="
+	>=dev-libs/libxml2-2.10.3
+	>=dev-libs/libxslt-1.1.38
+"
+RDEPEND="
+	${DEPEND}
+"
+BDEPEND="
+	virtual/pkgconfig
+	>=dev-python/cython-3.0.10[${PYTHON_USEDEP}]
+	doc? (
+		$(python_gen_any_dep '
+			dev-python/docutils[${PYTHON_USEDEP}]
+			dev-python/pygments[${PYTHON_USEDEP}]
+			dev-python/sphinx[${PYTHON_USEDEP}]
+			dev-python/sphinx-rtd-theme[${PYTHON_USEDEP}]
+		')
+	)
+	test? (
+		dev-python/cssselect[${PYTHON_USEDEP}]
+	)
+"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-5.3.0-pypy.patch"
+)
+
+python_check_deps() {
+	use doc || return 0
+	python_has_version -b "dev-python/docutils[${PYTHON_USEDEP}]" &&
+	python_has_version -b "dev-python/pygments[${PYTHON_USEDEP}]" &&
+	python_has_version -b "dev-python/sphinx[${PYTHON_USEDEP}]" &&
+	python_has_version -b "dev-python/sphinx-rtd-theme[${PYTHON_USEDEP}]"
+}
+
+python_prepare_all() {
+	# don't use some random SDK on Darwin
+	sed -i -e '/_ldflags =/s/=.*isysroot.*darwin.*None/= None/' \
+		setupinfo.py || die
+
+	distutils-r1_python_prepare_all
+}
+
+python_compile() {
+	local DISTUTILS_ARGS=(
+		# by default it adds -w to CFLAGS
+		--warnings
+	)
+	tc-export PKG_CONFIG
+	distutils-r1_python_compile
+}
+
+python_compile_all() {
+	use doc && emake html
+}
+
+python_test() {
+	local dir=${BUILD_DIR}/test$(python_get_sitedir)/lxml
+	local -x PATH=${BUILD_DIR}/test/usr/bin:${PATH}
+
+	cp -al "${BUILD_DIR}"/{install,test} || die
+	cp -al src/lxml/tests "${dir}/" || die
+	cp -al src/lxml/html/tests "${dir}/html/" || die
+	mkdir "${dir}"/../../doc || die
+	# this one needs to be copied, because upstream uses doc/../../../doc
+	cp -r "${S}"/doc "${dir}"/../../ || die
+	ln -s "${S}"/doc "${dir}"/../../../../ || die
+
+	"${EPYTHON}" test.py --no-src -vv --all-levels -p ||
+		die "Tests fail on ${EPYTHON}"
+}
+
+python_install_all() {
+	if use doc; then
+		local DOCS=( README.rst *.txt doc/*.txt )
+		local HTML_DOCS=( doc/html/. )
+	fi
+	if use examples; then
+		dodoc -r samples
+	fi
+
+	distutils-r1_python_install_all
+}
+
+pkg_postinst() {
+	optfeature "Support for BeautifulSoup as a parser backend" dev-python/beautifulsoup4
+	optfeature "Translates CSS selectors to XPath 1.0 expressions" dev-python/cssselect
+	optfeature "Support for lxml.html.clean sanitizer" dev-python/lxml-html-clean
+}