#!/bin/sh

PATH=$PATH:/usr/local/bin

if [ "x$1" = "xINSTALL" -o "x$2" = "xINSTALL" ]; then
  PYTHON_GT=`python -c 'import string, sys; \
                        print string.split(sys.version)[0] >= "2.2" and 1'`
  if [ "x${PYTHON_GT}" = "x1" ]; then
    exit 0
  else
    echo "-----------------------------------------------------------"
    echo "Twisted requires Python version 2.2 or greater -"
    echo "  please update your Python installation before proceeding."
    echo "-----------------------------------------------------------"
    exit 1
  fi
fi