[Solved] Identify the error in this FilterSet usage: class BookFilter(FilterSet): class Meta: model = Book fields = ['title'] filter = BookFilter(request.GET) filtered_books = filter.qs | Django

Django - DRF Advanced Features

Identify the error in this FilterSet usage:

class BookFilter(FilterSet):
    class Meta:
        model = Book
        fields = ['title']

filter = BookFilter(request.GET)
filtered_books = filter.qs

AFilterSet class must inherit from django.forms.Form

BIncorrect attribute name; should be filter.queryset instead of filter.qs

CFields list should include 'author' not 'title'

DMissing queryset argument when creating BookFilter instance

Step-by-Step Solution

Solution:

Step 1: Check FilterSet instantiation
BookFilter requires a queryset argument to filter; it's missing here.
Step 2: Verify attribute usage
Using filter.qs is correct to get filtered queryset; no error there.
Final Answer:
Missing queryset argument when creating BookFilter instance -> Option D
Quick Check:
FilterSet needs queryset argument [OK]

Quick Trick: Always pass queryset when instantiating FilterSet [OK]

Common Mistakes:

MISTAKES

Forgetting to pass queryset argument
Using wrong attribute like filter.queryset
Confusing FilterSet with Django forms inheritance

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Identify the error in this FilterSet usage:

Step 1: Check FilterSet instantiation

Step 2: Verify attribute usage

Final Answer:

Quick Check:

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