from django.contrib.auth.models import User
from Scanner.models import T
class SubmitD(ModelForm):
    #model form fields here

    class Meta:
        model = T
        fields = ['field1','field2']

    def save(self, request):
        instance = self.cleaned_data
        #other fields
        current_user = request.user
        d.FKtoClient_id = current_user.id
        d.save()

current_user = request.user
d.FKtoClient_id = current_user.id

def APND(request):
    form = SD(request.POST) # A form bound to the POST data
    if request.method == 'POST': # If the form has been submitted...
        if form.is_valid(): # If form input passes initial validation...
            dnmcleaned = form.cleaned_data['dnm']  ## clean data in dictionary
            form.save(request) #save cleaned data to the db from dictionary`
            try:
                return HttpResponseRedirect('/PU/?f=' + dnmcleaned)
            except:
                raise ValidationError(('Invalid request'), code='300')

        else:
            return HttpResponseRedirect('Failure/')

    else:
        form = SD()

(1048, "Column 'FKtoUser_id' cannot be null")