@receiver(post_save, weak=False)<EOL>@transaction.atomic<EOL>def save_callback(sender, instance, created, update_fields, **kwargs):
if validate_instance(instance):<EOL><INDENT>status = '<STR_LIT>' if created is True else '<STR_LIT>'<EOL>change = '<STR_LIT>'<EOL>if status == '<STR_LIT>' and '<STR_LIT>' in instance.__dict__.keys():<EOL><INDENT>changelog = instance.al_chl.modification<EOL>change = '<STR_LIT>'.format(changelog)<EOL><DEDENT>processor(status, sender, instance, update_fields, addition=change)<EOL><DEDENT>
Save object & link logging entry