Add py-semantic-version package (#12825)

var/spack/repos/builtin/packages/py-semantic-version/package.py

@@ -0,0 +1,20 @@
+# 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 PySemanticVersion(PythonPackage):
+    """This small python library provides a few tools to handle SemVer in
+    Python. It follows strictly the 2.0.0 version of the SemVer scheme."""
+
+    homepage = "https://github.com/rbarrois/python-semanticversion"
+    url      = "https://pypi.io/packages/source/s/semantic_version/semantic_version-2.8.2.tar.gz"
+
+    version('2.8.2', sha256='71c716e99086c44d068262b86e4775aa6db7fabee0743e4e33b00fbf6f672585')
+    version('2.6.0', sha256='2a4328680073e9b243667b201119772aefc5fc63ae32398d6afafff07c4f54c0')
+
+    depends_on('python@2.7:2.8,3.4:', type=('build', 'run'))
+    depends_on('py-setuptools@0.8:', type='build')