def METHOD_NAME(self):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon
    field, obj, model_admin = (
        self.field["field"],
        self.form.instance,
        self.model_admin,
    )
    try:
        f, attr, value = lookup_field(field, obj, model_admin)
    except (AttributeError, ValueError, ObjectDoesNotExist):
        result_repr = self.empty_value_display
    else:
        if field in self.form.fields:
            widget = self.form[field].field.widget
            # This isn't elegant but suffices for contrib.auth's
            # ReadOnlyPasswordHashWidget.
            if getattr(widget, "read_only", False):
                return widget.render(field, value)
        if f is None:
            if getattr(attr, "boolean", False):
                result_repr = _boolean_icon(value)
            else:
                if hasattr(value, "__html__"):
                    result_repr = value
                else:
                    result_repr = linebreaksbr(value)
        else:
            if isinstance(f.remote_field, ManyToManyRel) and value is not None:
                result_repr = ", ".join(map(str, value.all()))
            else:
                result_repr = display_for_field(value, f, self.empty_value_display)
            result_repr = self.callback_readonly(f, result_repr, value)
            result_repr = linebreaksbr(result_repr)
    return conditional_escape(result_repr)