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+#!/usr/bin/env python
+# Copyright 2010 United States Government as represented by the
+# Administrator of the National Aeronautics and Space Administration.
+# All Rights Reserved.
+#
+# Copyright 2010 OpenStack Foundation.
+# Copyright 2013 IBM Corp.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+"""
+Installation script for Neutron's development virtualenv
+"""
+from __future__ import print_function
+
+import os
+import sys
+
+import install_venv_common as install_venv
+
+
+def print_help():
+ help = """
+ Neutron development environment setup is complete.
+
+ Neutron development uses virtualenv to track and manage Python dependencies
+ while in development and testing.
+
+ To activate the Neutron virtualenv for the extent of your current shell
+ session you can run:
+
+ $ source .venv/bin/activate
+
+ Or, if you prefer, you can run commands in the virtualenv on a case by case
+ basis by running:
+
+ $ tools/with_venv.sh <your command>
+
+ Also, make test will automatically use the virtualenv.
+ """
+ print(help)
+
+
+def main(argv):
+ root = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+ venv = os.path.join(root, '.venv')
+ pip_requires = os.path.join(root, 'requirements.txt')
+ test_requires = os.path.join(root, 'test-requirements.txt')
+ py_version = "python%s.%s" % (sys.version_info[0], sys.version_info[1])
+ project = 'Neutron'
+ install = install_venv.InstallVenv(root, venv, pip_requires, test_requires,
+ py_version, project)
+ options = install.parse_args(argv)
+ install.check_python_version()
+ install.check_dependencies()
+ install.create_virtualenv(no_site_packages=options.no_site_packages)
+ install.install_dependencies()
+ print_help()
+
+
+if __name__ == '__main__':
+ main(sys.argv)