[Solved] What is wrong with this DRF serializer method?class MySerializer(serializers.ModelSerializer): extra = serializers.SerializerMethodField() def get_extra(self): return 'value' | Django

Django - DRF Advanced Features

What is wrong with this DRF serializer method?

class MySerializer(serializers.ModelSerializer):
    extra = serializers.SerializerMethodField()

    def get_extra(self):
        return 'value'

Aget_extra method is missing the obj parameter

BSerializerMethodField should be CharField instead

Cextra field should be declared as a property

DNo error, this is valid code

Step-by-Step Solution

Solution:

Step 1: Recall SerializerMethodField method signature
get_ must accept self and obj parameters.
Step 2: Identify missing parameter
Method get_extra lacks obj parameter, causing error.
Final Answer:
get_extra method is missing the obj parameter -> Option A
Quick Check:
SerializerMethodField method needs obj parameter [OK]

Quick Trick: SerializerMethodField methods always take obj argument [OK]

Common Mistakes:

MISTAKES

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What is wrong with this DRF serializer method?