spark-instrumented-optimizer/python/pyspark/shell.py
GuoQiang Li 21a1e1bb89 [SPARK-3273][SPARK-3301]We should read the version information from the same place
Author: GuoQiang Li <witgo@qq.com>

Closes #2175 from witgo/SPARK-3273 and squashes the following commits:

cf9c65a [GuoQiang Li] We should read the version information from the same place
2a44e2f [GuoQiang Li] The spark version in the welcome message of pyspark is not correct
2014-09-06 15:08:43 -07:00

69 lines
2.3 KiB
Python

#
# 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 sys
if sys.version_info[0] != 2:
print("Error: Default Python used is Python%s" % sys.version_info.major)
print("\tSet env variable PYSPARK_PYTHON to Python2 binary and re-run it.")
sys.exit(1)
import atexit
import os
import platform
import pyspark
from pyspark.context import SparkContext
from pyspark.storagelevel import StorageLevel
# this is the equivalent of ADD_JARS
add_files = (os.environ.get("ADD_FILES").split(',')
if os.environ.get("ADD_FILES") is not None else None)
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())
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.")
if add_files is not None:
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)