What are the best practices for using filters in Django admin?
When using filters in Django admin, it's important to keep them user-friendly. Here are some best practices:
How can I create custom filters in Django admin?
To create custom filters in Django admin, you can define a custom filter class by subclassing admin.SimpleListFilter
. You'll need to implement the lookups
and queryset
methods to define the filter options and how they affect the queryset.
Can you give me an example of a custom filter?
Sure! Here's a simple example of a custom filter that filters by a specific field:
from django.contrib import admin
from .models import MyModel
class MyCustomFilter(admin.SimpleListFilter):
title = 'My Custom Filter'
parameter_name = 'my_custom_filter'
def lookups(self, request, model_admin):
return [('value1', 'Value 1'), ('value2', 'Value 2')]
def queryset(self, request, queryset):
if self.value() == 'value1':
return queryset.filter(my_field='value1')
if self.value() == 'value2':
return queryset.filter(my_field='value2')
admin.site.register(MyModel, MyModelAdmin)
What are some common mistakes to avoid with filters?
Common mistakes include:
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