Django - REST Framework Basics
How can you customize the output of a serializer field to display a computed value instead of a model field?
How can you customize the output of a serializer field to display a computed value instead of a model field?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Recall SerializerMethodField usage
SerializerMethodField allows custom method to compute field value during serialization.Step 2: Check other options
Overriding __str__ affects string representation, not serializer output. Property inclusion works only if declared. CharField with source expects model attribute.Final Answer:
Use a SerializerMethodField and define a method named get_-> Option C Quick Check:
Custom field output = SerializerMethodField [OK]
Quick Trick: Use SerializerMethodField for computed serializer fields [OK]
Common Mistakes:
MISTAKES- Confusing model __str__ with serializer output
- Expecting properties to serialize without declaration
- Misusing source parameter for computed values
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