add package py-bokeh (#3618)

* add package py-bokeh

* remove setuptools dependency

* add missing dependencies

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

+##############################################################################
+# 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 PyBokeh(PythonPackage):
+    """Statistical and novel interactive HTML plots for Python"""
+
+    homepage = "http://github.com/bokeh/bokeh"
+    url      = "https://pypi.io/packages/source/b/bokeh/bokeh-0.12.2.tar.gz"
+
+    version('0.12.2', '2d1621bffe6e2ab9d42efbf733861c4f')
+
+    depends_on('python@2.6:')
+    depends_on('py-six@1.5.2:',       type=('build', 'run'))
+    depends_on('py-requests@1.2.3:',  type=('build', 'run'))
+    depends_on('py-pyyaml@3.10:',     type=('build', 'run'))
+    depends_on('py-dateutil@2.1:',    type=('build', 'run'))
+    depends_on('py-jinja2@2.7:',      type=('build', 'run'))
+    depends_on('py-numpy@1.7.1:',     type=('build', 'run'))
+    depends_on('py-tornado@4.3:',     type=('build', 'run'))
+    depends_on('py-futures@3.0.3:',   type=('build', 'run'),
+        when='^python@2.7:2.8')