How to display a boolean property in the django admin

Waiting for better solutions to come up, I've solved it in the following way:

class MyModel(models.Model):
    def _is_something(self):
        if self.something == 'something':
            return True
        return False
    _is_something.boolean = True
    is_something = property(_is_something)

I'll then reference the _is_something method in the ModelAdmin subclass:

class MyModelAdmin(admin.ModelAdmin):
    list_display = ['_is_something']

And the is_something property otherwise:

if my_model_instance.is_something:
    print("I'm something")

this is the simplest way I found, directly in the ModelAdmin:

class MyModelAdmin(admin.ModelAdmin):
    def is_something(self, instance):
        return instance.something == "something"
    is_something.boolean = True
    is_something.short_description = u"Is something"

    list_display = ['is_something']