dev-python/tomlkit: Bump to 0.12.3

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

dev-python/tomlkit/Manifest

@@ -1,2 +1,3 @@
 DIST tomlkit-0.12.1.tar.gz 190535 BLAKE2B 461891b5f5dad93488d466560439e19865fcb315792418e24483c96f4c9387c67d9c322bcc4ba842861109ff3297e064cd38737769d97ad1f99dadd9c11f7b33 SHA512 1f82023cbb8168f847bfa0211ee5c4d6870973ee1f51f4b60deb34ae6e0e930fe299c939b6c157811d16a73c68225a468e8312ca2731e1bbdcc5541fde2e2360
 DIST tomlkit-0.12.2.tar.gz 190725 BLAKE2B f168f42e99cbd8ed5d958ec471fc824d3a89f72d0d68b8881c5c935d888f1b0464e6ca34e65741a9de9d98c093a1e23073378006693bbd6c85870f368291760a SHA512 c36405e95ab42e1e728b4344dd71d183c2e8c174b3524d3337af2456e141f5a54fed82c1f613d5493efef50170f2985f74b1e5859790e865379fab7f90f03c65
+DIST tomlkit-0.12.3.tar.gz 190967 BLAKE2B 82205c8e012d4584c60ce8d53a995a01fccd50e35330b8aaecd84dd348b79be1ec7cd9bbaf84dbdbcd904102b7dc4216551298657553606d4da8457f565e8945 SHA512 f89b1fdcbefcd511bbc5e22a1cc57d8c4593fc1353e901de31c69ac99ed3c685f042d71205c747bd5d20df246dd19b5402393df81231f12d18414d85c0a0000c

dev-python/tomlkit/tomlkit-0.12.3.ebuild

@@ -0,0 +1,43 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=flit
+PYTHON_COMPAT=( pypy3 python3_{10..12} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Style preserving TOML library"
+HOMEPAGE="
+	https://github.com/sdispater/tomlkit/
+	https://pypi.org/project/tomlkit/
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+
+BDEPEND="
+	test? (
+		dev-python/pyyaml[${PYTHON_USEDEP}]
+	)
+"
+
+distutils_enable_tests pytest
+
+src_configure() {
+	grep -q 'build-backend = "poetry' pyproject.toml ||
+		die "Upstream changed build-backend, recheck"
+	# write a custom pyproject.toml to ease setuptools bootstrap
+	cat > pyproject.toml <<-EOF || die
+		[build-system]
+		requires = ["flit_core >=3.2,<4"]
+		build-backend = "flit_core.buildapi"
+
+		[project]
+		name = "tomlkit"
+		version = "${PV}"
+		description = "Style preserving TOML library"
+	EOF
+}