dev-python/tappy: Add new package, v2.4

Add the Python package for 'Test Anything Protocol (TAP) tools'.
This is needed for tests of dev-python/dbus-python.

dev-python/tappy/Manifest

@@ -0,0 +1 @@
+DIST tap.py-2.4.tar.gz 145440 BLAKE2B 1c6effe086c50cb8b11355db0439207330446a245c42420a948e1c3ff8caf917d9a76ea00f231199a5bd79e7396bcd2a904b764ffa1db611c57947274095a0b9 SHA512 7c843c40f0029bb122fdafec0f5416164b77fac69142c2308a6d815f2f409cddb33c5a08547409e278f06036e21cb2a53cbd3263c23f59c6618c12c201b8209c

dev-python/tappy/metadata.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>python@gentoo.org</email>
+	</maintainer>
+	<use>
+		<flag name='yaml'>Pull dependencies needed to support YAML
+			blocks associated with test results.</flag>
+	</use>
+	<upstream>
+		<remote-id type="github">python-tap/tappy</remote-id>
+		<remote-id type="pypi">tap.py</remote-id>
+	</upstream>
+</pkgmetadata>

dev-python/tappy/tappy-2.4.ebuild

@@ -0,0 +1,36 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6,7} )
+inherit distutils-r1
+
+MY_PN=tap.py
+DESCRIPTION="Test Anything Protocol (TAP) tools"
+HOMEPAGE="https://github.com/python-tap/tappy https://pypi.org/project/tap.py/"
+SRC_URI="mirror://pypi/${MY_PN::1}/${MY_PN}/${MY_PN}-${PV}.tar.gz"
+
+LICENSE="BSD-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="test yaml"
+RESTRICT="!test? ( test )"
+
+RDEPEND="dev-python/setuptools[${PYTHON_USEDEP}]
+	yaml? (
+		dev-python/more-itertools[${PYTHON_USEDEP}]
+		dev-python/pyyaml[${PYTHON_USEDEP}]
+	)"
+DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]
+	test? (
+		dev-python/more-itertools[${PYTHON_USEDEP}]
+		dev-python/pyyaml[${PYTHON_USEDEP}]
+		virtual/python-unittest-mock[${PYTHON_USEDEP}]
+	)"
+
+S=${WORKDIR}/${MY_PN}-${PV}
+
+python_test() {
+	"${EPYTHON}" -m unittest discover -v || die "Tests fail with ${EPYTHON}"
+}