hello , can any explain what is django signals and how does it work?
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To quote the Django documentation:
Django includes a “signal dispatcher” which helps allow decoupled applications get notified when actions occur elsewhere in the framework. In a nutshell, signals allow certain senders to notify a set of receivers that some action has taken place. They’re especially useful when many pieces of code may be interested in the same events.
Essentially, they allow you to send a “signal” when an event takes place so that other parts of your application can respond. This blog post gives a good practical introduction:
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