问禁用django-autocomplete-light中的选项

EN

from dal import autocomplete
from dal_select2.views import Select2ViewMixin
from dal.views import BaseQuerySetView

class CustomSelect2ViewMixin(Select2ViewMixin):
    def get_results(self, context):
        return [
            {
                'id': self.get_result_value(result),
                'text': self.get_result_label(result),
                'selected_text': self.get_selected_result_label(result),
                'disabled': self.is_disabled_choice(result), # <-- this gets added
            } for result in context['object_list']
        ]

class CustomSelect2QuerySetView(CustomSelect2ViewMixin, BaseQuerySetView):
    """Adds ability to pass a disabled property to a choice."""

class ParentAutocomplete(CustomSelect2QuerySetView):

    def get_queryset(self):
        qs = Customer.objects.all()

        if self.q:
            qs = qs.filter(org_name__icontains=self.q)

        return qs.order_by('org_name', 'org_city')

    def get_result_label(self, item):
        return item.selector_name

    def get_selected_result_label(self, item):
        return item.selector_name

    def is_disabled_choice(self, item): # <-- this is where we determine if the record is selectable or not.
        customer_id = self.forwarded.get('customer_id', None)
        return not (item.can_have_children and not str(item.pk) == customer_id)

from dal import autocomplete

class CustomerBaseForm(forms.ModelForm):
    customer_id= forms.IntegerField(required=False, widget=forms.HiddenInput)

    class Meta:
        model = Customer
        widgets = {
            'parent':autocomplete.ModelSelect2(
                url='customer:parent-autocomplete',
                forward=['customer_id'],
            )
        }