yolk3k: new package at v0.9 (#17635)

var/spack/repos/builtin/packages/py-yolk3k/package.py

+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class PyYolk3k(PythonPackage):
+    """Yolk is a Python tool for obtaining information about installed Python
+    packages and querying packages avilable on PyPI (Python Package Index).
+    Yolk3k is a fork of the original yolk. `yolk3k` add Python 3 support and
+    adds additional features."""
+
+    homepage = "https://github.com/myint/yolk"
+    url      = "https://pypi.io/packages/source/y/yolk3k/yolk3k-0.9.tar.gz"
+
+    version('0.9', sha256='cf8731dd0a9f7ef50b5dc253fe0174383e3fed295a653672aa918c059eef86ae')
+
+    depends_on('py-pygments')
+    depends_on('py-jinja2')
+    depends_on('py-docutils')