Understanding Django Signals: Automate Your Backend Logic

? Introduction

Django signals allow certain senders to notify receivers when actions occur. They help automate backend logic without modifying existing code.

? What are Signals?

Signals are events triggered by Django when certain actions happen.

Example:

• Saving a model
• Deleting data
• User login

? Why Use Signals?

• Keeps code clean
• Decouples logic
• Automates processes
• Reduces redundancy

⚙️ Common Signals

• post_save
• pre_save
• post_delete

? Example: post_save Signal