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How to judge that the Django signal post_save is saved for the first time, I believe many inexperienced people do not know what to do about it. Therefore, this paper summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem.

Every time an instance of a model is generated, another model related to it is generated, and the signal is judged by the post_save, but the problem is that every time I modify that model, it generates a new model again, that is, it activates the signal post_save. So how can I tell that this signal is activated only when an instance of the model is generated for the first time?

You can pass that the parameter created in post_save is a Boolean variable, and if it is true, the record is newly created.

After reading the above, have you mastered the Django signal post_save how to determine whether it is saved for the first time? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!

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