ambari/ambari-common/src/main/unix/ambari-python-wrap

#!/usr/bin/env bash
# Copyright 2011 The Apache Software Foundation
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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.

export PYTHONPATH=/usr/lib/python2.6/site-packages:/usr/lib/python2.6/site-packages/ambari_commons:$PYTHONPATH

# checking for default Python 2
if [ -a /usr/bin/python2 ] && [ -z "$PYTHON" ]; then
  PYTHON=/usr/bin/python2
fi

if [ -a /usr/bin/python2.6 ] && [ -z "$PYTHON" ]; then
  PYTHON=/usr/bin/python2.6
fi

if [ -a /usr/bin/python2.7 ] && [ -z "$PYTHON" ]; then
  PYTHON=/usr/bin/python2.7
fi

# if no preferable python versions found, try to use system one. Hoping it's Python 2
if [[ -z "$PYTHON" ]]; then
  PYTHON=/usr/bin/python
fi

# execute script
$PYTHON "$@"