dev-python/clang-python: Add 18.0.0_pre20230820 snapshot

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

dev-python/clang-python/Manifest

@@ -10,3 +10,4 @@ DIST llvm-project-17.0.0rc2.src.tar.xz 127795160 BLAKE2B 58ed818f61e1cd179288d57
 DIST llvm-project-17.0.0rc2.src.tar.xz.sig 438 BLAKE2B 55788eacc592729839dad581b507794f279d84cafcaa49785ae34e02931ee9d4f64caf9e251e280dbc8676f3cacdca52a22f36cf7282655a3fc0721a61c9f003 SHA512 141e1ba7eb9870c21b91060ca484316cc8a402d4e61c8312688023850070b255b0eebe2d10ef63925f7269ee1b347074440e1a9a18d37cb7e1b6c82a7d1a1710
 DIST llvm-project-7d259b36d2e8148d13087844e6494ad3a5c63edf.tar.gz 195942450 BLAKE2B 3221cc070295edf4f70e5b24ed06cda29e8dd98d3d28ba5ac38b821fc313f7f7dfdc7ad500537c2244af0fa3d750174dfa1699db7f72a44df67e5fa255a3d0aa SHA512 9279290ab482f29af4a2205270038f1817608a63872e03340d43c31fcf5da36191269838912a1460455a8661295e664891d6d123018b12ddc80c2641790d0640
 DIST llvm-project-c4bb3e073548cf436d5fa0406e3ae75e94684dec.tar.gz 195462091 BLAKE2B 982f1105db6cf63575916a20432df4c8623bdff236ce3bd95e63ffd931bc8e1f0e9ea9ad673b09d749c35c1bfe68a48f5b4080118f25040498db09a580db3a7e SHA512 1c591175f44da85eb5ee831220c0387a3d9a0604beaf7abd89fbc6d1e0e9c4f80dac73de1dc22375a45115dd4c1d764fed0a0f628993ca780eb6991682aa0b5b
+DIST llvm-project-fe42682e7818d44cbe19f98ef34caa4e414aa937.tar.gz 196564445 BLAKE2B 056e6622b38009e34392c1d1755086e008bc85e9b4c00126e7ca92ddaee2ede7f31bafbc6ca04c5008983ce843d19fb152d75ce01e6ece4c2d891cc38604532c SHA512 8245f8a50f77e9ac9c0309a0025fde8407bb82d82277e3edba0a995debff50940e9500d4ad65060a330e6c19e2e1332d700ea040ca382ef4b75282a4566cbf72

dev-python/clang-python/clang-python-18.0.0_pre20230820.ebuild

@@ -0,0 +1,54 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+inherit llvm.org python-r1
+
+DESCRIPTION="Python bindings for sys-devel/clang"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
+SLOT="0"
+KEYWORDS=""
+IUSE="test"
+RESTRICT="!test? ( test )"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+
+# The module is opening libclang.so directly, and doing some blasphemy
+# on top of it.
+DEPEND="
+	>=sys-devel/clang-${PV}:*
+	!sys-devel/llvm:0[clang(-),python(-)]
+	!sys-devel/clang:0[python(-)]
+"
+RDEPEND="
+	${DEPEND}
+	${PYTHON_DEPS}
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	test? (
+		sys-devel/clang:${LLVM_MAJOR}
+	)
+"
+
+LLVM_COMPONENTS=( clang/bindings/python )
+llvm.org_set_globals
+
+python_test() {
+	# tests rely on results from a specific clang version, so override
+	# the search path
+	local -x CLANG_LIBRARY_PATH=${BROOT}/usr/lib/llvm/${LLVM_MAJOR}/$(get_libdir)
+	local -x CLANG_NO_DEFAULT_CONFIG=1
+	"${EPYTHON}" -m unittest discover -v || die "Tests fail with ${EPYTHON}"
+}
+
+src_test() {
+	python_foreach_impl python_test
+}
+
+src_install() {
+	python_foreach_impl python_domodule clang
+}