code: def field_from_django_field(cls, field_name, django_field, readonly):
          
  
          FieldWidget = cls.widget_from_django_field(django_field)
          widget_kwargs = cls.widget_kwargs_for_field(field_name)
          field = cls.DEFAULT_RESOURCE_FIELD(
              attribute=field_name,
              column_name=field_name,
              widget=FieldWidget(**widget_kwargs),
              readonly=readonly,
              default=django_field.default,
          )
          return field
docs: Returns a Resource Field instance for the given Django model field.