New package: py-mmtf-python (#17201)

* mdanalysis

* [py-mmtf-python] fixed copyright

Co-authored-by: Andrew Elble <aweits@rit.edu>

var/spack/repos/builtin/packages/py-mmtf-python/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 PyMmtfPython(PythonPackage):
+    """The macromolecular transmission format (MMTF) is a binary encoding of
+    biological structures."""
+
+    homepage = "https://github.com/rcsb/mmtf-python"
+    url      = "https://pypi.io/packages/source/m/mmtf-python/mmtf-python-1.1.2.tar.gz"
+
+    version('1.1.2', sha256='a5caa7fcd2c1eaa16638b5b1da2d3276cbd3ed3513f0c2322957912003b6a8df')
+
+    depends_on('py-setuptools', type='build')
+    depends_on('py-msgpack@0.5.6:', type=('build', 'run'))