Python-сообщество

class MakeOfCar(forms.Form):
	make = forms.ModelChoiceField(label = 'Make of your car', queryset = Make.objects.all(), empty_label = None)

class Make(models.Model):
	make = models.CharField(max_length = 24, blank = False)
	car_model = models.ManyToManyField(CarModel, blank = True)
	def __unicode__(self):
		return u'%s' % (self.make,)

class CarModel(models.Model):
	car_model = models.CharField(max_length = 24)#соответствующее значение
	body = models.ManyToManyField(Body)#значения, которые хочу вывести
	engine = models.ManyToManyField(Engine)
	transmission = models.ManyToManyField(Transmission)
	year = models.ManyToManyField(Year)
	def __unicode__(self):
		return u'%s %s %s %s %s' % (self.car_model, self.body ,self.engine ,self.transmission , self.year)

def selected_models(request):
	if request.method == 'POST':
		make = Make.objects.get(id = request.POST['make'])
		car_model = make.car_model.all()
		model = [models.car_model for models in car_model]'''значение по которому я хочу делать
 следующую выборку. Сейчас просто выводится текстом.'''
	return render_to_response('selected_models.html', {'make': make, 'car_model': car_model, 'model': model,})

make = Make.objects.get(id = '22')#создал параметр искусственно 
class ModelFromMake(forms.Form):
	car_models = forms.ModelChoiceField(label = 'Model of your car:', queryset = make.car_model.all(), empty_label = None)

class MakeOfCar(forms.Form):
	make = forms.ModelChoiceField(label = 'Make of your car', queryset = Make.objects.all(),)


class ModelFromMake(forms.Form):
	car_model = forms.ModelChoiceField(label = 'Model of your car:', queryset = CarModel.objects.none(), required= False)
	def __init__(self, make, *args, **kwargs):
		super(ModelFromMake, self).__init__(*args, **kwargs)
		self.fields['car_model'].queryset = CarModel.objects.filter(make = make)

class CarModelDetail(forms.Form):
	body_type = forms.ModelChoiceField(queryset = Body.objects.none(), empty_label = None, required = False)
	engine_type = forms.ModelChoiceField(queryset = Engine.objects.none(), empty_label = None, required = False)
	gear_box_type = forms.ModelChoiceField(queryset = Transmission.objects.none(), empty_label = None, required = False)
	year = forms.ModelChoiceField(queryset = Year.objects.none(), empty_label = None, required = False)
	def	__init__(self, car_model, *args, **kwargs):
		super(CarModelDetail, self).__init__(*args, **kwargs)
		self.fields['body_type'].queryset = Body.objects.filter(carmodel = car_model)
		self.fields['engine_type'].queryset = Engine.objects.filter(carmodel = car_model)
		self.fields['gear_box_type'].queryset = Transmission.objects.filter(carmodel = car_model)
		self.fields['year'].queryset = Year.objects.filter(carmodel = car_model)
	
class AddlCarDetail(ModelForm):
	class Meta:
		model = Car
		fields = ('color', 'mileage', 'img1', 'img2', 'img3', 'img4', 'img5')

class SellingWizard(FormWizard):
    def done(self, request, form_list):    
        wizard_forms = [form.cleaned_data for form in form_list]
        new_car = Car(make = wizard_forms.MakeOfCar['make'],
                      car_model = wizard_forms.ModelFromMake['car_model'],
                      body = wizard_forms.CarModelDetail['body_type'],
                      engine = wizard_forms.CarModelDetail['engine_type'],
                      transmission = wizard_forms.CarModelDetail['gear_box_type'],
                      year = wizard_forms.CarModelDetail['year'],
                      color = wizard_forms.AddlCarDetail['color'],
                      mileage = wizard_forms.AddlCarDetail['mileage'], 
                      price = wizard_forms.AddlCarDetail['price'], 
                      img1 = wizard_forms.AddlCarDetail['img1'], 
                      img2 = wizard_forms.AddlCarDetail['img2'], 
                      img3 = wizard_forms.AddlCarDetail['img3'], 
                      img4 = wizard_forms.AddlCarDetail['img4'], 
                      img5 = wizard_forms.AddlCarDetail['img5'] )
                        
        return HttpResponseRedirect('/thanks_for_sale/')

(r'^car_sale/$', forms.SellingWizard([MakeOfCar, ModelFromMake, CarModelDetail, AddlCarDetail])),
('^thanks_for_sale/$', direct_to_template, {'template':'thanks_for_sale.html'}),