I have form and model as below. I am using Django 1.6.4. I am able to create multiple choice field with defualt checked options based on parameter:
self.fields["options"].initial
but how to set this checked options as disabled to edit, when I set,
self.fields["options"].widget.attrs['disabled']
it made all fields as disabled. Is it possible to handle it in form, or should I use CSS styles for it.
class Option(models.Model):
    name = models.CharField(max_length=20, verbose_name="Name", unique=True)
class Device(models.Model):
    options = models.ManyToManyField(Option, null=True, blank=True)
    serial_number = models.CharField(max_length=20, verbose_name="Serial number", unique=True)
class EditDeviceForm(forms.Form):
      serial_number = forms.CharField(label="Serial number:")  
      options = forms.ModelMultipleChoiceField(label="Options:", 
                widget=forms.CheckboxSelectMultiple(),
                queryset=Option.objects.all()) 
      def __init__(self, *args, **kwargs):
                super(EditDeviceForm, self).__init__(*args, **kwargs)
                self.fields["options"].initial = Option.objects.filter(device__in = Device.objects.filter(serial_number=s_number))
                #self.fields["options"].widget.attrs['disabled'] = "disabled"
 
    