New package: py-torchfile (#19481)

* [py-torchfile] created template

* [py-torchfile] set python versions

* [py-torchfile] depends on py-numpy

* [py-torchfile] fixed url format

* [py-torchfile] added homepage and description. removed fixmes

* [py-torchfile] fixed url format

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

@@ -0,0 +1,22 @@
+# 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 PyTorchfile(PythonPackage):
+    """Mostly direct port of the torch7 Lua and C serialization
+    implementation to Python, depending only on numpy (and the
+    standard library: array and struct). Sharing of objects
+    including torch.Tensors is preserved."""
+
+    homepage = "https://github.com/bshillingford/python-torchfile"
+    url      = "https://pypi.io/packages/source/t/torchfile/torchfile-0.1.0.tar.gz"
+    # license = "BSD-3-Clause"
+
+    version('0.1.0', sha256='a53dfe134b737845a9f2cb24fe0585317874f965932cebdb0439d13c8da4136e')
+
+    depends_on('python@2.7:2.999,3.4:', type=('build', 'run'))
+    depends_on('py-numpy', type=('build', 'run'))