+ def update_stats(self):
+ stats = self.wldocument2().get_statistics()['total']
+ self.pages = round(
+ stats.get('verses_with_fn', 0) / 30 +
+ stats.get('chars_out_verse_with_fn', 0) / 1800)
+ self.read_time = round(self.get_time())
+ self.save(update_fields=['pages', 'read_time'])
+ if self.parent is not None:
+ self.parent.update_stats()
+