Changing the link for the ModelAdmin list view in Django to apply a default filter?

Asked Apr 13 '21 at 07:32

Active Apr 13 '21 at 07:32

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I want to apply a default filter value on a field ModelAdmin in django.

I have a Model admin for the User model, which displays users. The user has a m2m to an Account model, so I am adding in the ModelAdmin:

class CustomUserAdmin(UserAdmin):
    list_filters = ('accounts')

In the filter I want it to give a default selected value, if nothing is selected. However I still want to give the user the option to revert to the default All option.

So far all the solutions that I found, prevent reverting to the All option. For example this answer.

I am thinking, that maybe chaining the link on the side menu to include the desired filter option in the query parameters. Is this doable? I can see in the source code for admin/app_list.html (source code), that the URL comes from model.admin_link, but I cant find any documentation for changing it.

asked Apr 13 '21 at 07:32

Martin Taleski

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i think this may help you with changing `admin_url` of a model class https://stackoverflow.com/a/10420333/11225821 – Linh Nguyen Apr 13 '21 at 07:49
@LinhNguyen, this seems to be only for retrieving the URL – Martin Taleski Apr 13 '21 at 08:03
actually no, get_ method will trigger when you call that atribute in a class. So get_abc will override the return getter of your_class.abc – Linh Nguyen Apr 13 '21 at 08:05

Changing the link for the ModelAdmin list view in Django to apply a default filter?

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