indexers.py 文件源码

def register(indexer_class):
    """
    Registers an indexer class.
    """
    if indexer_class not in _REGISTERED_CLASSES:
        _REGISTERED_CLASSES.append(indexer_class)

        # register signal handlers
        model = indexer_class.serializer_class.Meta.model
        post_delete.connect(_instance_changed, sender=model)
        post_save.connect(_instance_changed, sender=model)