Added copyright and build deps specification; should be ready to merge.

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

+##############################################################################
+# Copyright (c) 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 *
 
 
@@ -11,7 +35,7 @@ class PyPathspec(Package):
         url='https://pypi.python.org/packages/14/9d/c9d790d373d6f6938d793e9c549b87ad8670b6fa7fc6176485e6ef11c1a4/pathspec-0.3.4.tar.gz')
 
     extends('python')
-    depends_on('py-setuptools')
+    depends_on('py-setuptools', type='build')
 
     def install(self, spec, prefix):
-        python('setup.py', 'install', '--prefix=%s' % prefix)
+        setup_py('install', '--prefix=%s' % prefix)