models.py 文件源码

def model_post_save(sender, instance, created=False, **kwargs):
    """
    Signal emitted after any model is saved via Django ORM.

    :param sender: Model class that was saved
    :param instance: The actual instance that was saved
    :param created: True if a new row was created
    """

    def notify():
        table = sender._meta.db_table
        if created:
            observer_client.notify_table_insert(table)
        else:
            observer_client.notify_table_update(table)

    transaction.on_commit(notify)