Django - Signals
What is the primary purpose of Django's
pre_delete signal?What is the primary purpose of Django's pre_delete signal?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the timing of
Thepre_deletepre_deletesignal is sent just before a model instance is deleted from the database.Step 2: Identify the purpose of
This signal allows you to perform cleanup or related actions before the actual deletion happens.pre_deleteFinal Answer:
To perform actions before a model instance is deleted -> Option CQuick Check:
pre_delete= before deletion [OK]
Quick Trick: pre_delete runs before deletion happens [OK]
Common Mistakes:
MISTAKES- Confusing pre_delete with post_delete
- Thinking it prevents deletion
- Assuming it runs after deletion
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