From bb76eae1b50e4bf18360220110f7d0a4bee672ec Mon Sep 17 00:00:00 2001 From: AbhishekKr Date: Wed, 16 Apr 2014 19:05:40 -0700 Subject: [python alternative] pyspark require Python2, failing if system default is Py3 from shell.py Python alternative for https://github.com/apache/spark/pull/392; managed from shell.py Author: AbhishekKr Closes #399 from abhishekkr/pyspark_shell and squashes the following commits: 134bdc9 [AbhishekKr] pyspark require Python2, failing if system default is Py3 from shell.py --- python/pyspark/shell.py | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) (limited to 'python') diff --git a/python/pyspark/shell.py b/python/pyspark/shell.py index 61613dbed8..e8ba050655 100644 --- a/python/pyspark/shell.py +++ b/python/pyspark/shell.py @@ -20,6 +20,14 @@ An interactive shell. This file is designed to be launched as a PYTHONSTARTUP script. """ + +import sys +if sys.version_info.major != 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 os import platform import pyspark @@ -34,21 +42,21 @@ if os.environ.get("SPARK_EXECUTOR_URI"): sc = SparkContext(os.environ.get("MASTER", "local[*]"), "PySparkShell", pyFiles=add_files) -print """Welcome to +print("""Welcome to ____ __ / __/__ ___ _____/ /__ _\ \/ _ \/ _ `/ __/ '_/ /__ / .__/\_,_/_/ /_/\_\ version 1.0.0-SNAPSHOT /_/ -""" -print "Using Python version %s (%s, %s)" % ( +""") +print("Using Python version %s (%s, %s)" % ( platform.python_version(), platform.python_build()[0], - platform.python_build()[1]) -print "Spark context available as sc." + platform.python_build()[1])) + print("Spark context available as sc.") if add_files != None: - print "Adding files: [%s]" % ", ".join(add_files) + 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: -- cgit v1.2.3