Adding new package: py-keras (#3400)

* Adding new package: py-keras (and dependencies)

* Fixing dependencies

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

@@ -0,0 +1,45 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class PyKeras(PythonPackage):
+    """Deep Learning library for Python. Convnets, recurrent neural networks,
+    and more. Runs on Theano or TensorFlow."""
+
+    homepage = "http://keras.io"
+    url      = "https://pypi.io/packages/source/K/Keras/Keras-1.2.2.tar.gz"
+
+    version('1.2.2', '8e26b25bf16494f6eca726887d232319')
+    version('1.2.1', '95525b9faa890267d80d119b13ce2984')
+    version('1.2.0', 'd24d8b72747f8cc38e659ce8fc92ad3c')
+    version('1.1.2', '53027097f240735f873119ee2e8d27ff')
+    version('1.1.1', '4bd8b75e8c6948ec0498cc603bbc6590')
+    version('1.1.0', 'd1711362ac8473238b0d198d2e3a0574')
+
+    depends_on('py-setuptools', type='build')
+    depends_on('py-theano', type=('build', 'run'))
+    depends_on('py-pyyaml', type=('build', 'run'))
+    depends_on('py-six', type=('build', 'run'))