pyDriveWire

#!/bin/bash

pyenv=$(which pyenv)
if [ "X$pyenv" != "X" ]; then
	if [ -z "${PYENV_ROOT}" ]; then
		# pyenv setup for pyDriveWire
		export PYENV_ROOT="$HOME/.pyenv"
		command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"
	fi
	eval "$(pyenv init -)"
	for pyversion in "$(dirname ${0})/.python-version" "${HOME}/.python-version" "${HOME}/.pyenv/version"; do
		if [ -e "${pyversion}" ]; then
			pyenv shell "$(cat ${pyversion})"
			break
		fi
	done
fi


python=$(which pypy)
if [ "X$python"  == "X" ]; then
	echo "WARNING: pypy was not found.  It is recommended for maximum performance"
	python=$(which python)
fi
if [ "X$python"  == "X" ]; then
	echo "ERROR: python was not found"
	exit 1
fi

${python} <<EOF
try:
 import serial
except:
 exit(1)
EOF
if [ $? != 0 ]; then
	echo "ERROR: pyserial is required!"
	echo "Run: pypy -m pip install pyserial"
	exit 1
fi

exec ${python} "$0.py" $*