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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.
#
"""
An interactive shell.
This file is designed to be launched as a PYTHONSTARTUP script.
"""
import atexit
import os
import platform
import py4j
import pyspark
from pyspark.context import SparkContext
from pyspark.sql import SQLContext, HiveContext
from pyspark.storagelevel import StorageLevel
# this is the deprecated equivalent of ADD_JARS
add_files = None
if os.environ.get("ADD_FILES") is not None:
add_files = os.environ.get("ADD_FILES").split(',')
if os.environ.get("SPARK_EXECUTOR_URI"):
SparkContext.setSystemProperty("spark.executor.uri", os.environ["SPARK_EXECUTOR_URI"])
sc = SparkContext(appName="PySparkShell", pyFiles=add_files)
atexit.register(lambda: sc.stop())
try:
# Try to access HiveConf, it will raise exception if Hive is not added
sc._jvm.org.apache.hadoop.hive.conf.HiveConf()
sqlContext = HiveContext(sc)
except py4j.protocol.Py4JError:
sqlContext = SQLContext(sc)
except TypeError:
sqlContext = SQLContext(sc)
# for compatibility
sqlCtx = sqlContext
print("""Welcome to
____ __
/ __/__ ___ _____/ /__
_\ \/ _ \/ _ `/ __/ '_/
/__ / .__/\_,_/_/ /_/\_\ version %s
/_/
""" % sc.version)
print("Using Python version %s (%s, %s)" % (
platform.python_version(),
platform.python_build()[0],
platform.python_build()[1]))
print("SparkContext available as sc, %s available as sqlContext." % sqlContext.__class__.__name__)
if add_files is not None:
print("Warning: ADD_FILES environment variable is deprecated, use --py-files argument instead")
print("Adding files: [%s]" % ", ".join(add_files))
# The ./bin/pyspark script stores the old PYTHONSTARTUP value in OLD_PYTHONSTARTUP,
# which allows us to execute the user's PYTHONSTARTUP file:
_pythonstartup = os.environ.get('OLD_PYTHONSTARTUP')
if _pythonstartup and os.path.isfile(_pythonstartup):
execfile(_pythonstartup)
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