def render(self, context):
        # Try to get request.LANGUAGE_CODE. If fail, use default one.
        if len(get_languages_keys()) > 1:
            ret_val = True
        else:
            ret_val = False

        if self.as_var:
            context[self.as_var] = ret_val
            return ''
        return ret_val
    def render(self, context):
        # Try to get request.LANGUAGE_CODE. If fail, use default one.
        request = context['request']
        language = get_language_from_request(request, default=None)

        if not language:
            language = smart_resolve(self.language, context)
            if not language in get_languages_keys():
                language = default_language

        translation.activate(language)
        return ''