cleanup Adafruit-* stuff

dev-python/smbus2/Manifest

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+DIST smbus2-0.4.1.tar.gz 16836 BLAKE2B 1073ecd51ab4c5e8137f1f9f34f4e20bf17edf82522e98469df69880d1b601a6be7106b1ed7aaf3422c49d9993510b1acc567948ed7a417fdc68c4c361110aab SHA512 171675a622c9697123188c4834ae822edc7430ecc3c255970fa54f3615f35cbf9f6bf8d93d111875f7317e2f17490af9c37701eeda56005c1bfeae7ed3c78397
+EBUILD smbus2-0.4.1.ebuild 752 BLAKE2B a620611f0579e678d2fcf3061efa74ed1caa09bfb065f754866de40360fa0e2779ead1a9f7e81a6c1197bceca9ce0310a14d1d74f0fdb7aed20ef117b012650c SHA512 d47bd43b36ddee61e05c7979df63c8a1255f999b478e7749cfa8ce1ed61ad223018c910b36dba528dffd894725603d4fa9bc10308f143cafbaa941225a66330b
+MISC metadata.xml 464 BLAKE2B 49a3ba19853f5e2b0fe7a946feded1c1fae839d1a7b119e4625b27aa08f2d94eb8512366c25daf6f37c21036d4faf0204a19bd7b419ee97a08911d3b5419d483 SHA512 958d3dce4a76849581345637f821541c714bad8c62d780821a05be1bbca9fa0372d15252e1b39b00a3853a1f02482d1633a93157993aa1cab34e62eef7c0e406

dev-python/smbus2/metadata.xml

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+<?xml version='1.0' encoding='UTF-8'?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="project">
+    <email>b@edevau.net</email>
+    <name>Andreas Billmeier</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="pypi">smbus2</remote-id>
+    <maintainer status="unknown">
+      <email>kp.lindegaard@gmail.com</email>
+      <name>Karl-Petter Lindegaard</name>
+    </maintainer>
+  </upstream>
+</pkgmetadata>

dev-python/smbus2/smbus2-0.4.1.ebuild

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+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..10} )
+
+inherit distutils-r1
+
+DESCRIPTION="smbus2 is a drop-in replacement for smbus-cffi/smbus-python in pure Python"
+HOMEPAGE="https://github.com/kplindegaard/smbus2 https://pypi.org/project/smbus2/"
+SRC_URI="mirror://pypi/${P:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+DOCS="README.md"
+
+RDEPEND=""
+BDEPEND="
+	dev-python/setuptools[${PYTHON_USEDEP}]
+	test? (
+		dev-python/nose[${PYTHON_USEDEP}]
+		dev-python/pytest[${PYTHON_USEDEP}]
+	)"
+
+python_test() {
+	nosetests --verbose || die
+	py.test -v -v || die
+}