Apparently, Adrian doesn't think it should work with anything but DB
fields
http://code.djangoproject.com/ticket/2334
Crap!
On May 29, 1:49 pm, Peter Bengtsson <pete...@gmail.com> wrote:
> When I register my model to the admin it doesn't allow me to use a
> method in list_filter :(
> This pseudo code should explain my situation:
>
> class MyModel:
> gender = models.CharField()
> age = models.IntegerField()
>
> �...@property
> def man(self):
> return self.gender == 'male' and self.age > 18
>
> objects = SpecialManager()
>
> The special manager I use makes it possible to do this:>>>
> MyModel.objects.filter(man=True)
>
> I achived that by wrapping filter() and exclude(). No big deal.
> The admin is registered like this:
>
> class MyModelAdmin(admin.ModelAdmin):
> list_display = ('__unicode__', 'user', 'man')
> list_filter = ('man', ) # thise causes the ImproperlyConfigured
> error!
>
> def man(self, object_):
> return object_.man
> man.short_description = 'Man?'
> man.allow_tags = False
>
> admin.site.register(MyModel, MyModelAdmin)
>
> Why can't I use methods instead of fields in list_filter?
> Is there a solution to this problem?
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