py-flatbuffers: add new package (#26444)

Python port of the "flatbuffers" package

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

@@ -0,0 +1,29 @@
+# Copyright 2013-2021 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 PyFlatbuffers(PythonPackage):
+    """
+    The FlatBuffers serialization format implemented in Python. For a faster and
+    feature-complete version check out the C++ implementation in `flatbuffers`
+    package.
+    """
+
+    homepage = "https://google.github.io/flatbuffers/"
+    pypi     = "flatbuffers/flatbuffers-2.0.tar.gz"
+
+    maintainers = ['gperrotta']
+
+    version(
+        '2.0', sha256='12158ab0272375eab8db2d663ae97370c33f152b27801fa6024e1d6105fd4dd2'
+    )
+
+    version(
+        '1.12', sha256='63bb9a722d5e373701913e226135b28a6f6ac200d5cc7b4d919fa38d73b44610'
+    )
+
+    depends_on('py-setuptools', type='build')