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IPySparkInterpreter.java
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IPySparkInterpreter.java
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/*
* 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.
*/
package org.apache.zeppelin.spark;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.zeppelin.interpreter.BaseZeppelinContext;
import org.apache.zeppelin.interpreter.Interpreter;
import org.apache.zeppelin.interpreter.InterpreterContext;
import org.apache.zeppelin.interpreter.InterpreterException;
import org.apache.zeppelin.interpreter.InterpreterResult;
import org.apache.zeppelin.interpreter.LazyOpenInterpreter;
import org.apache.zeppelin.interpreter.WrappedInterpreter;
import org.apache.zeppelin.python.IPythonInterpreter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.Map;
import java.util.Properties;
/**
* PySparkInterpreter which use IPython underlying.
*/
public class IPySparkInterpreter extends IPythonInterpreter {
private static final Logger LOGGER = LoggerFactory.getLogger(IPySparkInterpreter.class);
private SparkInterpreter sparkInterpreter;
public IPySparkInterpreter(Properties property) {
super(property);
}
@Override
public void open() throws InterpreterException {
setProperty("zeppelin.python",
PySparkInterpreter.getPythonExec(getProperties()));
sparkInterpreter = getSparkInterpreter();
SparkConf conf = sparkInterpreter.getSparkContext().getConf();
// only set PYTHONPATH in embedded, local or yarn-client mode.
// yarn-cluster will setup PYTHONPATH automatically.
if (!conf.contains("spark.submit.deployMode") ||
!conf.get("spark.submit.deployMode").equals("cluster")) {
setAdditionalPythonPath(PythonUtils.sparkPythonPath());
setAddBulitinPy4j(false);
}
setAdditionalPythonInitFile("python/zeppelin_ipyspark.py");
super.open();
}
@Override
protected Map<String, String> setupIPythonEnv() throws IOException {
Map<String, String> env = super.setupIPythonEnv();
// set PYSPARK_PYTHON
SparkConf conf = sparkInterpreter.getSparkContext().getConf();
if (conf.contains("spark.pyspark.python")) {
env.put("PYSPARK_PYTHON", conf.get("spark.pyspark.python"));
}
return env;
}
private SparkInterpreter getSparkInterpreter() throws InterpreterException {
LazyOpenInterpreter lazy = null;
SparkInterpreter spark = null;
Interpreter p = getInterpreterInTheSameSessionByClassName(SparkInterpreter.class.getName());
while (p instanceof WrappedInterpreter) {
if (p instanceof LazyOpenInterpreter) {
lazy = (LazyOpenInterpreter) p;
}
p = ((WrappedInterpreter) p).getInnerInterpreter();
}
spark = (SparkInterpreter) p;
if (lazy != null) {
lazy.open();
}
return spark;
}
@Override
public BaseZeppelinContext buildZeppelinContext() {
return sparkInterpreter.getZeppelinContext();
}
@Override
public InterpreterResult interpret(String st, InterpreterContext context) {
InterpreterContext.set(context);
sparkInterpreter.populateSparkWebUrl(context);
String jobGroupId = Utils.buildJobGroupId(context);
String jobDesc = "Started by: " + Utils.getUserName(context.getAuthenticationInfo());
String setJobGroupStmt = "sc.setJobGroup('" + jobGroupId + "', '" + jobDesc + "')";
return super.interpret(setJobGroupStmt + "\n" + st, context);
}
@Override
public void cancel(InterpreterContext context) throws InterpreterException {
super.cancel(context);
sparkInterpreter.cancel(context);
}
@Override
public void close() throws InterpreterException {
super.close();
if (sparkInterpreter != null) {
sparkInterpreter.close();
}
}
@Override
public int getProgress(InterpreterContext context) throws InterpreterException {
return sparkInterpreter.getProgress(context);
}
public boolean isSpark2() {
return sparkInterpreter.getSparkVersion().newerThanEquals(SparkVersion.SPARK_2_0_0);
}
public JavaSparkContext getJavaSparkContext() {
return sparkInterpreter.getJavaSparkContext();
}
public Object getSQLContext() {
return sparkInterpreter.getSQLContext();
}
public Object getSparkSession() {
return sparkInterpreter.getSparkSession();
}
}