Django - Signals
Which of the following is the correct way to register a receiver function for Django's
post_save signal using the decorator syntax?Which of the following is the correct way to register a receiver function for Django's post_save signal using the decorator syntax?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify decorator usage
The@receiverdecorator requires the signal and optionally the sender.Step 2: Check function signature
The receiver function must acceptsender,instance, and**kwargs.Step 3: Match syntax
@receiver(post_save, sender=MyModel) def my_handler(sender, instance, **kwargs): pass correctly uses@receiver(post_save, sender=MyModel)and proper function signature.Final Answer:
@receiver(post_save, sender=MyModel) def my_handler(sender, instance, **kwargs): pass -> Option AQuick Check:
Decorator with signal and sender, function with kwargs [OK]
Quick Trick: Use @receiver(signal, sender=Model) with **kwargs in handler [OK]
Common Mistakes:
MISTAKES- Omitting **kwargs in receiver function
- Connecting signal inside function body
- Using connect() without proper sender argument
Master "Signals" in Django
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Django Quizzes