Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Python Customizing the Django Admin Customizing the List View Test: Custom Filters

Posted by Christina Braden
Christina Braden
11,644 Points

Test: Custom Filters - Finally, add your custom filter to the CourseAdmin's list_filter attribute.

This is the Task 4 of 4. Finally, add your custom filter to the CourseAdmin's list_filter attribute.

Seems like the easiest thing but I can't get my code to pass. Maybe a fresh set of eyes will help.

courses/admin.py 
from django.contrib import admin

from . import models

class TextInline(admin.StackedInline):
    model = models.Text

class QuizInline(admin.StackedInline):
    model = models.Quiz

class AnswerInline(admin.StackedInline):
    model = models.Answer

class TopicListFilter(admin.SimpleListFilter):
    title = 'topic'
    parameter_name = 'topic'

    def lookups(self, request, model_admin):
        return (('Python',('Python')), ('Ruby',('Ruby')), ('Java',('Java')))

    def queryset(self, request, queryset):
        if self.value() == 'python':
            return queryset.filter(title__contains='python')
        if self.value() == 'ruby':
            return queryset.filter(title__contains='ruby')
        if self.value() == 'java':
            return queryset.filter(title__contains='java')

class CourseAdmin(admin.ModelAdmin):
    inlines = [TextInline, QuizInline]

    list_filter = ['created_at', 'is_live', 'TopicListFilter']

admin.site.register(models.Course, CourseAdmin)

1 Answer

KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,968 Points

The error you receive is:

Bummer: You need to add the TopicListFilter class to the end of the list_filter property of the CourseAdmin class.

To add the TopicListFilter class you wouldn't enclose it in quotes

Christina Braden
Christina Braden
11,644 Points

I knew it was something simple. Thank you!