Expanding UserCreationForm for customized Django registration -

i trying understand how expand creationform library utilize custom fields have in model. basically, in model, have field called codeid , goal have user type in integer , have store database register. know i'm on right track, there flawed logic behind current code.

forms.py

from django import forms             django.contrib.auth.models import user   # fill in custom user info save  django.contrib.auth.forms import usercreationform       .models import address, job  class myregistrationform(usercreationform):     username = forms.charfield(required = true)     #udid = forms.charfield(required = true)      class meta:         model = address          fields = ('username', 'codeid', )              def save(self,commit = true):            user = super(myregistrationform, self).save(commit = false)         user.codeid = self.cleaned_data['codeid']          if commit:             user.save()          return   

views.py

from django.shortcuts import render django.http import httpresponseredirect     django.contrib import auth                  django.core.context_processors import csrf  forms import myregistrationform  def register_user(request):     if request.method == 'post':         form = myregistrationform(request.post)     # create form object         if form.is_valid():             form.save()             return httpresponseredirect('/')     args = {}     args.update(csrf(request))     args['form'] = myregistrationform()     print args     return render(request, 'register.html', args) 

models.py

from django.db import models django.contrib.auth.models import user  class address(models.model):     user = models.foreignkey(user)     street_address = models.charfield(max_length = 200)     city = models.charfield(max_length = 100)     state = models.charfield(max_length = 100)     zipcode = models.integerfield(max_length = 5)     updated = models.datetimefield(auto_now = true, auto_now_add = false)     timestamp = models.datetimefield(auto_now = false, auto_now_add = true)     active = models.booleanfield(default = true)     codeid = models.integerfield(max_length = 10, default = 0)     image = models.imagefield(upload_to='profiles/', default="")      def __str__(self,):         return 'test' 

registration html

{% extends 'home.html' %}  {%block content %}   <h2>register</h2> <form action='/register/' method = "post">  {% csrf_token %}  {{ form }}  <input type = "submit" value = "register" />  </form>  {% endblock %} 

make change in forms.py :
return user