spark/pyspark

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#!/usr/bin/env bash
#
# 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.
#
# Figure out where the Scala framework is installed
FWDIR="$(cd `dirname $0`; pwd)"
# Export this as SPARK_HOME
export SPARK_HOME="$FWDIR"
# Exit if the user hasn't compiled Spark
if [ ! -e "$SPARK_HOME/repl/target" ]; then
echo "Failed to find Spark classes in $SPARK_HOME/repl/target" >&2
echo "You need to compile Spark before running this program" >&2
exit 1
fi
# Load environment variables from conf/spark-env.sh, if it exists
if [ -e $FWDIR/conf/spark-env.sh ] ; then
. $FWDIR/conf/spark-env.sh
fi
# Figure out which Python executable to use
if [ -z "$PYSPARK_PYTHON" ] ; then
PYSPARK_PYTHON="python"
fi
export PYSPARK_PYTHON
# Add the PySpark classes to the Python path:
export PYTHONPATH=$SPARK_HOME/python/:$PYTHONPATH
# Load the PySpark shell.py script when ./pyspark is used interactively:
export OLD_PYTHONSTARTUP=$PYTHONSTARTUP
export PYTHONSTARTUP=$FWDIR/python/pyspark/shell.py
# Launch with `scala` by default:
if [[ "$SPARK_LAUNCH_WITH_SCALA" != "0" ]] ; then
export SPARK_LAUNCH_WITH_SCALA=1
fi
if [ -n "$IPYTHON_OPTS" ]; then
IPYTHON=1
fi
if [[ "$IPYTHON" = "1" ]] ; then
IPYTHON_OPTS=${IPYTHON_OPTS:--i}
exec ipython "$IPYTHON_OPTS" -c "%run $PYTHONSTARTUP"
else
exec "$PYSPARK_PYTHON" "$@"
fi