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[SPARK-16399] [PYSPARK] Force PYSPARK_PYTHON to python #14016

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[SPARK-16399] [PYSPARK] Force PYSPARK_PYTHON to python #14016

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4661493
[SPARK-15761] Set DEFAULT_PYTHON to python
MechCoder Jul 1, 2016
871281d
remove default python
MechCoder Jul 1, 2016
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14 changes: 3 additions & 11 deletions bin/pyspark
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Original file line number Diff line number Diff line change
Expand Up @@ -30,14 +30,6 @@ export _SPARK_CMD_USAGE="Usage: ./bin/pyspark [options]"
# (e.g. PYSPARK_DRIVER_PYTHON_OPTS='notebook'). This supports full customization of the IPython
# and executor Python executables.

# Determine the Python executable to use if PYSPARK_PYTHON or PYSPARK_DRIVER_PYTHON isn't set:
if hash python2.7 2>/dev/null; then
# Attempt to use Python 2.7, if installed:
DEFAULT_PYTHON="python2.7"
else
DEFAULT_PYTHON="python"
fi

# Fail noisily if removed options are set
if [[ -n "$IPYTHON" || -n "$IPYTHON_OPTS" ]]; then
echo "Error in pyspark startup:"
Expand All @@ -47,18 +39,18 @@ fi

# Default to standard python interpreter unless told otherwise
if [[ -z "$PYSPARK_DRIVER_PYTHON" ]]; then
PYSPARK_DRIVER_PYTHON="${PYSPARK_PYTHON:-"$DEFAULT_PYTHON"}"
PYSPARK_DRIVER_PYTHON="${PYSPARK_PYTHON:-"python"}"
fi

WORKS_WITH_IPYTHON=$($DEFAULT_PYTHON -c 'import sys; print(sys.version_info >= (2, 7, 0))')
WORKS_WITH_IPYTHON=$(python -c 'import sys; print(sys.version_info >= (2, 7, 0))')

# Determine the Python executable to use for the executors:
if [[ -z "$PYSPARK_PYTHON" ]]; then
if [[ $PYSPARK_DRIVER_PYTHON == *ipython* && ! WORKS_WITH_IPYTHON ]]; then
echo "IPython requires Python 2.7+; please install python2.7 or set PYSPARK_PYTHON" 1>&2
exit 1
else
PYSPARK_PYTHON="$DEFAULT_PYTHON"
PYSPARK_PYTHON=python
fi
fi
export PYSPARK_PYTHON
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