--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+PYTHON_COMPAT=( python2_7 python3_4 python3_5 )
+
+inherit distutils-r1
+
+DESCRIPTION="A library to do [jobs, tasks, flows] in a HA manner using different backends"
+HOMEPAGE="https://github.com/openstack/taskflow"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86 ~amd64-linux ~x86-linux"
+IUSE=""
+
+CDEPEND=">=dev-python/pbr-2.0.0[${PYTHON_USEDEP}]
+ !~dev-python/pbr-2.1.0"
+DEPEND="
+ dev-python/setuptools[${PYTHON_USEDEP}]
+ ${CDEPEND}"
+RDEPEND="
+ ${CDEPEND}
+ >=dev-python/six-1.9.0[${PYTHON_USEDEP}]
+ virtual/python-enum34[${PYTHON_USEDEP}]
+ >=dev-python/futurist-0.11.0[${PYTHON_USEDEP}]
+ !~dev-python/futurist-0.15.0[${PYTHON_USEDEP}]
+ >=dev-python/fasteners-0.7[${PYTHON_USEDEP}]
+ >=dev-python/networkx-1.10[${PYTHON_USEDEP}]
+ >=dev-python/contextlib2-0.4.0[${PYTHON_USEDEP}]
+ >=dev-python/stevedore-1.20.0[${PYTHON_USEDEP}]
+ virtual/python-futures[${PYTHON_USEDEP}]
+ >=dev-python/jsonschema-2.0.0[${PYTHON_USEDEP}]
+ !~dev-python/jsonschema-2.5.0[${PYTHON_USEDEP}]
+ <dev-python/jsonschema-3.0.0[${PYTHON_USEDEP}]
+ >=dev-python/automaton-0.5.0[${PYTHON_USEDEP}]
+ >=dev-python/oslo-utils-3.20.0[${PYTHON_USEDEP}]
+ >=dev-python/oslo-serialization-1.10.0[${PYTHON_USEDEP}]
+ !~dev-python/oslo-serialization-2.19.1[${PYTHON_USEDEP}]
+ >=dev-python/tenacity-3.2.1[${PYTHON_USEDEP}]
+ >=dev-python/cachetools-1.1.0[${PYTHON_USEDEP}]
+ >=dev-python/debtcollector-1.2.0[${PYTHON_USEDEP}]"