55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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"""
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An interactive shell.
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This file is designed to be launched as a PYTHONSTARTUP script.
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"""
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import os
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import platform
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import pyspark
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from pyspark.context import SparkContext
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from pyspark.storagelevel import StorageLevel
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# this is the equivalent of ADD_JARS
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add_files = os.environ.get("ADD_FILES").split(',') if os.environ.get("ADD_FILES") != None else None
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sc = SparkContext(os.environ.get("MASTER", "local"), "PySparkShell", pyFiles=add_files)
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print """Welcome to
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____ __
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/ __/__ ___ _____/ /__
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_\ \/ _ \/ _ `/ __/ '_/
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/__ / .__/\_,_/_/ /_/\_\ version 0.9.0-SNAPSHOT
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/_/
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"""
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print "Using Python version %s (%s, %s)" % (
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platform.python_version(),
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platform.python_build()[0],
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platform.python_build()[1])
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print "Spark context avaiable as sc."
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if add_files != None:
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print "Adding files: [%s]" % ", ".join(add_files)
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# The ./pyspark script stores the old PYTHONSTARTUP value in OLD_PYTHONSTARTUP,
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# which allows us to execute the user's PYTHONSTARTUP file:
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_pythonstartup = os.environ.get('OLD_PYTHONSTARTUP')
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if _pythonstartup and os.path.isfile(_pythonstartup):
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execfile(_pythonstartup)
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