Support disabling options in a select widget

# You can either pass a list of values to be disabled i.e

#    def __init__(self, disabled_choices, *args, **kwargs):
#            self._disabled_choices = disabled_choices
#  OR
from django.forms import Select


class SelectWidget(Select):
    """
    Subclass of Django's select widget that allows disabling options.
    """

    def __init__(self, *args, **kwargs):
        self._disabled_choices = []
        super().__init__(*args, **kwargs)

    @property
    def disabled_choices(self):
        return self._disabled_choices

    @disabled_choices.setter
    def disabled_choices(self, other):
        self._disabled_choices = other

    def create_option(self, name, value, *args, **kwargs):
        option_dict = super().create_option(name, value, *args, **kwargs)
        if value in self.disabled_choices:
            option_dict['attrs']['disabled'] = 'disabled'
        return option_dict

# To disabled an option based on a condition i.e user isn't a superuser.

class MyForm(forms.Form):
    status = forms.ChoiceField(required=True, widget=SelectWidget, choices=Status.choices())
    
    def __init__(self, request, *args, **kwargs):
        if not request.user.is_superuser:
            self.fields['status'].widget.disabled_choices = [1, 4]
        super().__init__(*args, **kwargs)