gurobi: new package (#7639)

* gurobi: new pacakge

* fixed flake8 errors

var/spack/repos/builtin/packages/gurobi/package.py

@@ -0,0 +1,62 @@
+##############################################################################
+# Copyright (c) 2013-2018, 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/spack/spack
+# Please also see the NOTICE and LICENSE files 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 *
+from distutils.dir_util import copy_tree
+import os
+
+
+class Gurobi(Package):
+    """The Gurobi Optimizer was designed from the ground up to be the fastest,
+    most powerful solver available for your LP, QP, QCP, and MIP (MILP, MIQP,
+    and MIQCP) problems.
+
+    Note: Gurobi is licensed software. You will need to create an account on
+    the Gurobi homepage and download Gurobi Optimizer yourself. Spack will
+    search your current directory for the download file. Alternatively, add
+    this file to a mirror so that Spack can find it. For instructions on how to
+    set up a mirror, see http://spack.readthedocs.io/en/latest/mirrors.html
+
+    Please set the path to licence file with the following command (for bash)
+    export GRB_LICENSE_FILE=/path/to/gurobi/license/. See section 4 in
+    $GUROBI_HOME/docs/quickstart_linux.pdf for more details."""
+
+    homepage = "http://www.gurobi.com/index"
+
+    version('7.5.2', '01f6dbb8d165838cca1664a1a14e4a85')
+
+    # Licensing
+    license_required = True
+    license_vars     = ['GRB_LICENSE_FILE']
+    license_url      = 'http://www.gurobi.com/downloads/download-center'
+
+    def url_for_version(self, version):
+        return "file://{0}/gurobi{1}_linux64.tar.gz".format(os.getcwd(), version)
+
+    def setup_environment(self, spack_env, run_env):
+        run_env.set('GUROBI_HOME', self.prefix)
+
+    def install(self, spec, prefix):
+        with working_dir('linux64'):
+            copy_tree('.', prefix)