configure

#!/bin/sh

echo Looking for a suitable Python interpreter...

interpreters="pypy jython python"

for interpreter in $interpreters; do
  if [ -z "$PYTHON" ]; then
    i="`which $interpreter`"
    if [ "$i" ]; then
      $i -c "import sys; exit(sys.hexversion < 0x2070000 or sys.hexversion >= 0x3000000)"
      if [ "$?" -eq "0" ]; then
        echo "SUCCESS: Fastest suitable interpreter is $interpreter"
        PYTHON=$interpreter
      else
        echo "WARNING: $interpreter found but wrong version"
      fi
    else
      echo "WARNING: $interpreter not found"
    fi
  fi
done

if [ -z "$PYTHON" ]; then
  echo "ERROR: Require Python 2 ($interpreters), version 2.7 or above"
  exit
fi

if [ -z "`which streamer`" ]; then
  echo "ERROR: Please install streamer"
  exit
else
  echo "SUCCESS: Found streamer"
fi

# Find most recently added video device
DEVICE="`ls -1 /dev/video* | tail -1`"

if [ -z $DEVICE ]; then
  echo "ERROR: Couldn't find a suitable video4linux device"
  exit
else
  echo "SUCCESS: Using $DEVICE"
fi

# write config file
echo PYTHON="$PYTHON" >  settings.conf
echo DEVICE="$DEVICE" >> settings.conf

echo "SUCCESS: settings.conf written. You can now run ./capture"