dev-python/pysha3: New package

Add the backport of SHA3 hash functions for Python < 3.6, it is
the most lightweight provider of the hash for Portage.

dev-python/pysha3/Manifest

@@ -0,0 +1 @@
+DIST pysha3-1.0.2.tar.gz 829192 SHA256 fe988e73f2ce6d947220624f04d467faf05f1bbdbc64b0a201296bb3af92739e SHA512 57476d24b9d399471cf56c8c1413f58dbc863c16d4fe9ebd2cf65df8092e139e2505252605e3fccd68978f5ee3fffdfeeedee6788aab38a54c918a452fc19720 WHIRLPOOL 0de14913b4c02b1c8310432f6a71ed986c6f525c7b15bb6e91d3972a84f5599b13d621b04a4007ea276089cd75d965798a84b11d378e02ab50e1b6d243b62bc0

dev-python/pysha3/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="person">
+		<email>mgorny@gentoo.org</email>
+		<name>Michał Górny</name>
+	</maintainer>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">tiran/pysha3</remote-id>
+		<remote-id type="pypi">pysha3</remote-id>
+	</upstream>
+</pkgmetadata>

dev-python/pysha3/pysha3-1.0.2.ebuild

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+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python{2_7,3_4,3_5} )
+inherit distutils-r1
+
+DESCRIPTION="SHA-3 (Keccak) for Python 2.7 - 3.5"
+HOMEPAGE="https://github.com/tiran/pysha3 https://pypi.python.org/pypi/pysha3"
+SRC_URI="mirror://pypi/${PN::1}/${PN}/${P}.tar.gz"
+
+LICENSE="CC0-1.0 PSF-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]"
+
+python_test() {
+	esetup.py test
+}