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#!/usr/bin/env bash
next_python () {
if [ "$POL_PYTHON" = "$1" ]; then
# will pick the next one
POL_PYTHON=""
elif [ -z "$POL_PYTHON" ]; then
POL_PYTHON="$1"
fi
}
search_python () {
POL_PYTHON=""
while true; do
# list of interpreter names to try, in order
next_python "python3"
next_python "python"
next_python "python2.7"
next_python "python2.6"
next_python "python2"
next_python "none"
if [ "$POL_PYTHON" = "none" ]; then
echo "Please install python before trying to run this program" 1>&2
return 1
fi
echo -n "Looking for $POL_PYTHON... " 1>&2
if [ "$(which $POL_PYTHON)" ]; then
local Version=$($POL_PYTHON --version 2>&1 |tail -n 1|sed -e 's/^Python //')
echo -n "$Version - " 1>&2
case "$Version" in
2.6|2.6.*|2.7|2.7.*|3.*)
if test_python; then
echo "selected" 1>&2
return 0
fi
echo "failed tests" 1>&2
;;
2.5|2.5.*)
# Compatibility broken a while ago
echo "skipped" 1>&2
;;
*)
echo "unexpected version" 1>&2
;;
esac
else
# Interpreter name not found
echo "" 1>&2
fi
done
}
test_python () {
"$POL_PYTHON" "$POLDIR/python/check_python.py"
}
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