dev-python/jaraco-functools: Add from Gentoo

It's from Gentoo commit 82d10094d2c1d898047b03f7fafaa92e06f09ec1.

It's a dependency of dev-python/jaraco-text and dev-python/nspektr.

sdk_container/src/third_party/portage-stable/dev-python/jaraco-functools/Manifest

@@ -0,0 +1 @@
+DIST jaraco.functools-3.5.0.tar.gz 13254 BLAKE2B 9165f901106278da562c6b59c3cc29e0b1c4689c5db7955f57a76fca3c12e90d30a80a7dde3420a719b093c41b889e54170bfa6f6f18b6f078e3f4291e59736f SHA512 7257f41506f90ca2fda1bd12fed58fa4d4ff5738547f8cdae8ccad1901e0c818afb701dd8e9050fc77ca1271bc2466d5a542990138bc3db2cf9b04d12850844c

sdk_container/src/third_party/portage-stable/dev-python/jaraco-functools/jaraco-functools-3.5.0-r2.ebuild

@@ -0,0 +1,57 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# please keep this ebuild at EAPI 7 -- sys-apps/portage dep
+EAPI=7
+
+DISTUTILS_USE_PEP517=flit
+PYTHON_COMPAT=( pypy3 python3_{8..11} )
+
+inherit distutils-r1
+
+MY_P=${P/-/.}
+DESCRIPTION="Additional functions used by other projects by developer jaraco"
+HOMEPAGE="https://github.com/jaraco/jaraco.functools"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN/-/.}/${MY_P}.tar.gz"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+
+RDEPEND="
+	>=dev-python/more-itertools-0.12.0-r1[${PYTHON_USEDEP}]
+"
+BDEPEND="
+	test? (
+		dev-python/jaraco-classes[${PYTHON_USEDEP}]
+	)
+"
+
+distutils_enable_sphinx docs \
+	">=dev-python/jaraco-packaging-3.2" \
+	">=dev-python/rst-linker-1.9"
+distutils_enable_tests pytest
+
+src_configure() {
+	grep -q 'build-backend = "setuptools' 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 = "jaraco.functools"
+		version = "${PV}"
+		description = "Functools like those found in stdlib"
+	EOF
+}
+
+python_install() {
+	distutils-r1_python_install
+	# rename to workaround a bug in pkg_resources
+	# https://bugs.gentoo.org/834522
+	mv "${D}$(python_get_sitedir)"/jaraco{_,.}functools-${PV}.dist-info || die
+}

sdk_container/src/third_party/portage-stable/dev-python/jaraco-functools/metadata.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>sbraz@gentoo.org</email>
+		<name>Louis Sautier</name>
+	</maintainer>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+		<name>Python</name>
+	</maintainer>
+	<stabilize-allarches/>
+	<upstream>
+		<remote-id type="pypi">jaraco.functools</remote-id>
+		<remote-id type="github">jaraco/jaraco.functools</remote-id>
+		<bugs-to>https://github.com/jaraco/jaraco.functools/issues</bugs-to>
+		<changelog>https://github.com/jaraco/jaraco.functools/blob/master/CHANGES.rst</changelog>
+	</upstream>
+</pkgmetadata>