Exclude a Custom Post Type

<?php
​
add_filter('weglot_is_eligible_url', 'not_authorize_translation');
function not_authorize_translation(){
	if (get_post_type( weglot_get_postid_from_url() ) === 'book') {
    	return false;
	}
​
    return true;
}
​
add_filter('weglot_active_translation_before_process', 'check_page_translation');
function check_page_translation()
{
    if (get_post_type(weglot_get_postid_from_url()) === 'book' && weglot_get_current_language() !== weglot_get_original_language() ) {
		wp_redirect( weglot_get_request_url_service()->get_full_url_no_language() );
		exit;
    }
​
    return true;
}