py-modred: New package (#10309)

* py-modred: New package

Parallelized python module for finding modal decompositions and
reduced order models.

* fix license
I think?

* Add dependency on py-numpy

and remove commented out code

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

+# Copyright 2013-2018 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 PyModred(PythonPackage):
+    """Modred is a parallelized library for finding
+    modal decompositions and reduced-order models.
+    """
+    homepage = "http://github.com/belson17/modred"
+    git      = "https://github.com/belson17/modred.git"
+
+    version('2.0.4', tag='v2.0.4')
+    version('2.0.3', tag='v2.0.3')
+    version('2.0.2', tag='v2.0.2')
+    version('2.0.1', tag='v2.0.1')
+    version('2.0.0', tag='v2.0.0')
+
+    depends_on('py-setuptools', type='build')
+    depends_on('py-numpy', type='run')
+
+    patch('v2x-setuptools-8.0.patch', when='@2: ^py-setuptools@8.0:')

var/spack/repos/builtin/packages/py-modred/v2x-setuptools-8.0.patch

+diff -Naur modred-2.0.4/setup.py modred-2.0.4.patched/setup.py
+--- modred-2.0.4/setup.py	2018-12-10 13:54:02.000000000 -0500
++++ modred-2.0.4.patched/setup.py	2018-12-10 13:54:45.000000000 -0500
+@@ -16,7 +16,8 @@
+ with open(os.path.join(here, 'modred/_version.py')) as f:
+     exec(f.read())
+ # Get the development status from the version string
+-parsed_version = parse_version(__version__)
++# parsed_version = parse_version(__version__)
++parsed_version = __version__.split('.')
+ if any(w in ['*a', '*alpha'] for w in parsed_version):
+     devstatus = 'Development Status :: 3 - Alpha'
+ elif any(w in ['*b', '*beta'] for w in parsed_version):