dev-python/portion: new package, add 2.3.0

Signed-off-by: Julien Roy <julien@jroy.ca>

dev-python/portion/Manifest

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+DIST portion-2.3.0.gh.tar.gz 32488 BLAKE2B 1efe8d2c5046b42704c753e775d3d0362e088bdff728688f0885d2975609d7cd8eccc2889a8942e92545b46189a52d984a89fec8a89014f55fd712d5f4dccbca SHA512 7552e9a640dd8dd5a55ad5009e976d7fdbc369eeac43ad82972a8ec0dea71e5dd33e425d2410527f8dc85caf08039d6eb879c694266ef8d7ff1362946707bfde

dev-python/portion/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="person">
+		<email>julien@jroy.ca</email>
+		<name>Julien Roy</name>
+	</maintainer>
+	<upstream>
+		<maintainer>
+			<name>Alexandre Decan</name>
+			<email>alexandre.decan@lexpage.net</email>
+		</maintainer>
+		<changelog>https://github.com/AlexandreDecan/portion/blob/master/CHANGELOG.md</changelog>
+		<doc>https://github.com/AlexandreDecan/portion#documentation--usage</doc>
+		<bugs-to>https://github.com/AlexandreDecan/portion/issues</bugs-to>
+		<remote-id type="github">AlexandreDecan/portion</remote-id>
+		<remote-id type="pypi">portion</remote-id>
+	</upstream>
+</pkgmetadata>

dev-python/portion/portion-2.3.0.ebuild

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+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+DISTUTILS_USE_PEP517=setuptools
+inherit distutils-r1
+
+DESCRIPTION="A Python library providing data structure and operations for intervals."
+HOMEPAGE="https://github.com/AlexandreDecan/portion"
+SRC_URI="https://github.com/AlexandreDecan/${PN}/archive/${PV}.tar.gz -> ${P}.gh.tar.gz"
+
+LICENSE="LGPL-3"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="test"
+
+RDEPEND="test? (
+	dev-python/pytest[${PYTHON_USEDEP}]
+	dev-python/coverage[${PYTHON_USEDEP}]
+	dev-python/black[${PYTHON_USEDEP}]
+)"
+DEPEND="${RDEPEND}"
+BDEPEND="dev-python/sortedcontainers"
+
+distutils_enable_tests pytest