New Package py-portend (#13584)

* package py-portend

* package py-portend

* autopep8, docutils cleanup

* dependency in wrong package

* Update var/spack/repos/builtin/packages/py-portend/package.py

Co-Authored-By: Adam J. Stewart <ajstewart426@gmail.com>

* license bits

* dependencies again

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

@@ -0,0 +1,21 @@
+# Copyright 2013-2019 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 PyPortend(PythonPackage):
+    """TCP port monitoring and discovery """
+
+    homepage = "https://github.com/jaraco/portend"
+    url      = "https://pypi.io/packages/source/p/portend/portend-2.5.tar.gz"
+
+    version(
+        '2.5', sha256='19dc27bfb3c72471bd30a235a4d5fbefef8a7e31cab367744b5d87a205e7bfd9')
+
+    depends_on('py-setuptools', type='build')
+    depends_on('py-setuptools-scm@1.15.0:', type='build')
+    depends_on('py-tempora@1.8:', type=('run', 'build'))
+    depends_on('python@2.7:', type=('run', 'build'))