How can you ensure a post_delete signal handler only runs for deletions triggered by a specific user action?

hard📝 Application Q9 of 15

Django - Signals

How can you ensure a post_delete signal handler only runs for deletions triggered by a specific user action?

APass a custom flag via <code>delete()</code> method and check it in the handler

BUse <code>pre_delete</code> instead of <code>post_delete</code>

CFilter instances inside the signal handler by user ID

DSignals cannot be filtered by user action

Step-by-Step Solution

Solution:

Step 1: Understand signal context limitations
Signals do not automatically know the user who triggered deletion.
Step 2: Use custom flags to pass context
Override the model's delete() method to accept a flag and pass it via kwargs to the signal handler.
Final Answer:
Pass a custom flag via delete() method and check it in the handler -> Option A
Quick Check:
Use custom flags to filter signals [OK]

Quick Trick: Pass flags in delete() to filter signal runs [OK]

Common Mistakes:

MISTAKES

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