i18n

#!/bin/bash

langs_avail=`ls -1 translations`
 
## Update the babel translation
usage () {
    echo "Update the internationalisation."
    echo "Usage: $0 (update|edit|commit) ([lang]|all)*"
    echo "   todo - find non-ascii characters outside translation files"
    echo "   update - gets new var from source and updates messages.pot"
    echo "   edit - edits each translations/..../*.po with ${EDITOR}"
    echo "   commit - reads messages.pot and outputs translations/..../*.po"
    echo "[lang] - specify the language to manipulate, one of:"
    echo "    ${langs_avail[@]}"
    echo "Specifying no language defaults to \"all\"."
    exit 1
}

if [ $# -gt 2 ] || [ $# -lt 1 ]; then
    usage
elif [ $# -eq 1 ] || [ $2 == 'all' ]; then
    declare -a langs
    langs=$langs_avail
else
    declare -a langs
    langs=( $2 )
fi

ACTION="$1"
case $ACTION in
        todo)
		grep -I -r --exclude=README.md --exclude-dir=translations --exclude-dir=.git --color='auto' -P -n '[^\x00-\x7F]' ./ 
		;;
	update)
    		pybabel extract -F babel.cfg -k lazy_gettext -o messages.pot .
    		pybabel update -i messages.pot -d translations
       		;;    
	edit)
		editor="${VISUAL:-vi}"
		for lang in ${langs[@]}; do
                    ${editor} "translations/${lang}/LC_MESSAGES/messages.po"
                done
       		;;    
	commit)
   		pybabel compile -d translations
       		;;   
        *)
		echo "Unknown action $ACTION"
		exit 1
		;; 
esac