--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+ <maintainer type="person">
+ <email>ck+gentoo@bl4ckb0x.de</email>
+ <name>Conrad Kostecki</name>
+ </maintainer>
+ <maintainer type="project">
+ <email>proxy-maint@gentoo.org</email>
+ <name>Proxy Maintainers</name>
+ </maintainer>
+ <longdescription>
+ A lightweight, object-oriented state machine implementation in Python.
+ A state machine is a mathematical model of computation.
+ It is an abstract machine that can be in exactly one of a
+ finite number of states at any given time.
+ </longdescription>
+ <upstream>
+ <bugs-to>https://github.com/pytransitions/transitions/issues</bugs-to>
+ <remote-id type="github">pytransitions/transitions</remote-id>
+ </upstream>
+</pkgmetadata>
--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python2_7 python3_{5,6,7} )
+
+inherit distutils-r1
+
+DESCRIPTION="A lightweight, object-oriented state machine implementation in Python"
+HOMEPAGE="https://github.com/pytransitions/transitions"
+SRC_URI="https://github.com/pytransitions/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="examples test"
+
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+ dev-python/pygraphviz[${PYTHON_USEDEP}]
+ dev-python/six[${PYTHON_USEDEP}]
+"
+
+DEPEND="
+ ${RDEPEND}
+ test? (
+ dev-python/pycodestyle[${PYTHON_USEDEP}]
+ dev-python/dill[${PYTHON_USEDEP}]
+ dev-python/mock[${PYTHON_USEDEP}]
+ dev-python/nose[${PYTHON_USEDEP}]
+ )
+"
+
+BDEPEND="dev-python/setuptools[${PYTHON_USEDEP}]"
+
+python_test() {
+ esetup.py test
+}
+
+src_install() {
+ distutils-r1_src_install
+
+ use examples && dodoc examples/*.ipynb
+}