node-red-nodes/hardware/neopixel/neopix

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#!/bin/bash
python_cmd='python3'
# Fallback to Python 2, if Python 3 is not available
command -v python3 > /dev/null || python_cmd='python'
BASEDIR=$(dirname $0)
if [ "$1" == "check" ];then
$python_cmd -c "import rpi_ws281x"
else
sudo $python_cmd -u $BASEDIR/neopix.py $@
fi