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In Django's signal system, what is the main function of the dispatcher?

easy📝 Conceptual Q1 of 15
Django - Signals
In Django's signal system, what is the main function of the dispatcher?
ATo create new signals dynamically during runtime
BTo notify all connected receiver functions when a signal is sent
CTo store model instances in the database
DTo handle HTTP requests and responses
Step-by-Step Solution
Solution:

  1. Step 1: Understand the dispatcher role

    The dispatcher manages the connections between signals and receivers.

  2. Step 2: What happens on signal send

    When a signal is sent, the dispatcher calls all connected receiver functions.

  3. Final Answer:

    To notify all connected receiver functions when a signal is sent -> Option B

  4. Quick Check:

    Dispatcher calls receivers on signal send [OK]
Quick Trick: Dispatcher calls receivers when signal is sent [OK]
Common Mistakes:
MISTAKES
  • Confusing dispatcher with signal creation
  • Thinking dispatcher handles database operations
  • Assuming dispatcher manages HTTP requests

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