dev-python/poetry-core: Add from Gentoo

It's from Gentoo commit 598ede4be901f6c0234a654278b51eb730b10dd4.

sdk_container/src/third_party/portage-stable/dev-python/poetry-core/Manifest

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+DIST poetry-core-1.9.0.gh.tar.gz 371033 BLAKE2B 67e4674bcc45f6ce1737a26d8f1fd1ce6e6469d692cabe461fb2959b03ab3ca26b9e3848d9cbf533c5fd9bf7d75ac8b70a6aad0cce1930472971cc1ad530aedf SHA512 a2d63480f0df36fabe61c234377a4fa9ea0a1ddce449006162d6e49e849c92ad9c77d0a93aba7c51561bac16a77d5db00a95594bd5e2de328e1664f3f41f689b

sdk_container/src/third_party/portage-stable/dev-python/poetry-core/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+	</maintainer>
+	<stabilize-allarches/>
+	<upstream>
+		<remote-id type="pypi">poetry-core</remote-id>
+		<remote-id type="github">python-poetry/poetry-core</remote-id>
+	</upstream>
+</pkgmetadata>

sdk_container/src/third_party/portage-stable/dev-python/poetry-core/poetry-core-1.9.0.ebuild

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+# Copyright 2022-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=standalone
+PYTHON_TESTED=( pypy3 python3_{10..13} )
+PYTHON_COMPAT=( "${PYTHON_TESTED[@]}" )
+
+inherit distutils-r1
+
+DESCRIPTION="Poetry PEP 517 Build Backend"
+HOMEPAGE="
+	https://github.com/python-poetry/poetry-core/
+	https://pypi.org/project/poetry-core/
+"
+SRC_URI="
+	https://github.com/python-poetry/poetry-core/archive/${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~arm64-macos ~x64-macos"
+
+# check inside vendors/pyproject.toml
+# (note that some are indirect deps)
+RDEPEND="
+	>=dev-python/fastjsonschema-2.18.0[${PYTHON_USEDEP}]
+	>=dev-python/lark-1.1.3[${PYTHON_USEDEP}]
+	>=dev-python/packaging-22.0[${PYTHON_USEDEP}]
+	$(python_gen_cond_dep '
+		>=dev-python/tomli-2.0.1[${PYTHON_USEDEP}]
+	' 3.10)
+"
+BDEPEND="
+	${RDEPEND}
+	test? (
+		$(python_gen_cond_dep '
+			dev-python/build[${PYTHON_USEDEP}]
+			dev-python/pytest-mock[${PYTHON_USEDEP}]
+			dev-python/tomli-w[${PYTHON_USEDEP}]
+			>=dev-python/virtualenv-20.21[${PYTHON_USEDEP}]
+			dev-vcs/git
+		' "${PYTHON_TESTED[@]}")
+	)
+"
+
+distutils_enable_tests pytest
+
+src_prepare() {
+	# remove vendoring of dependencies
+	rm -r src/poetry/core/_vendor || die
+	sed -e '/__vendor_site__/d' -i src/poetry/core/__init__.py || die
+
+	distutils-r1_src_prepare
+}
+
+python_test() {
+	local EPYTEST_DESELECT=(
+		# These "fail" bacause of glob file path resulting from newer versions
+		# in our tree than vendored. But those don't affect anything.
+		tests/masonry/builders/test_sdist.py::test_default_with_excluded_data
+		tests/masonry/builders/test_wheel.py::test_default_src_with_excluded_data
+	)
+
+	if ! has "${EPYTHON/./_}" "${PYTHON_TESTED[@]}"; then
+		einfo "Skipping tests on ${EPYTHON} (unported deps)"
+		return
+	fi
+
+	local -x PYTEST_DISABLE_PLUGIN_AUTOLOAD=1
+	epytest -p pytest_mock
+}