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Python Customizing the Django Admin Customizing the List View Customizing Attributes

Tatiana Vasilevskaya
.a{fill-rule:evenodd;}techdegree seal-36
Tatiana Vasilevskaya
Python Web Development Techdegree Graduate 28,600 Points

How to add a filter for a model method?

In the video we created a custom method time_to_complete on a course model and used it in admin list_display. Lacey suggested that we should add an extra list_filter using this new method. As I see it, we should create a custom filter, inheriting from django.contrib.admin.SimpleListFilter. But how then to implement a queryset method? How to filter a queryset based on time_to_complete?