Implemented add-user function.

add_user.html

{% extends "base.html" %}
{% block title_html %}
Add user form
{% endblock %}
{% block h1 %}
Add user form
{% endblock %}
{% block article_content %}
    <form method="post" action="{{ add_user }}">
    {% csrf_token %}
    <table>
        {{ form.as_table }}
    </table>
    <input type="submit" class="button" value="Login" />
    </form>
    <p><a href="/">Return to home</p>
{% endblock %}

add_user.py

# -*- Coding: utf-8 -*-
from django.shortcuts import render, redirect
from django.contrib.auth.models import User
from django import forms
from django.contrib.auth.decorators import login_required

@login_required
def page(request):
    if request.POST:
        form = MyUserCreationForm(request.POST)
        if form.is_valid():
            username       = request.POST['username']
            password       = request.POST['password']
            email          = request.POST['email']
            new_user = User.objects.create_user(username = username, email = email, password=password)
            new_user.is_active = True
            new_user.save()
            return render(request, 'jp/add_user_successful.html')
    
    else:
        form = MyUserCreationForm()
    return render(request, 'jp/add_user.html', {'form' : form})

class MyUserCreationForm(forms.Form):
    username = forms.CharField(label = "User name")
    password = forms.CharField(label = "Password", widget = forms.PasswordInput)
    password_bis = forms.CharField(label = "Password", widget = forms.PasswordInput) 
    email = forms.EmailField(label = "Email")
    def clean(self):
        cleaned_data = super(MyUserCreationForm, self).clean() 
        username = self.cleaned_data.get('username')
        password = self.cleaned_data.get('password') 
        password_bis = self.cleaned_data.get('password_bis')
        if password and password_bis and password != password_bis:
            raise forms.ValidationError("Passwords are not identical.")
        user_check = User.objects.filter(username = username).exists()
        if user_check:
            raise forms.ValidationError("Duplicate user name!")
        return self.cleaned_data

add_user_successful.html

{% extends "base.html" %}
{% block title_html %}
Add user successful
{% endblock %}
{% block h1 %}
Add user successful
{% endblock %}
{% block article_content %}
    <p><a href="/">Return to home</p>
{% endblock %}

index.html

{% extends "base.html" %}
{% block title_html %}
Django Test Page
{% endblock %}
{% block h1 %}
Hello world
{% endblock %}
{% block article_content %}
<p>Welcome to Django world!</p>
<p><a href="login">Your Account</a></p>
<p><a href="logout">Logout</a></p>
<p><a href="add_user">Add new user</a></p>
{% endblock %}

urls.py

from django.conf.urls import patterns, include, url
from django.contrib.auth.decorators import login_required
#from django.views.generic import TemplateView

from django.contrib import admin
admin.autodiscover()

urlpatterns = patterns('',
    url (r'^add_user/$', 'myapp.views.add_user.page', name="add_user"),
    url(r'^logout/$', 'myapp.views.logout.page', name="user_logout"),
    url(r'^login/$', 'myapp.views.login.page', name="user_login"),
    #url(r'^$', login_required(TemplateView.as_view(template_name='jp/index.html')), name="index"),
    url(r'^$', 'myapp.views.index.page', name="index"),
    url(r'^admin/', include(admin.site.urls)),
)