author-edit.py

#### yabl/authors/urls.py

from django.conf.urls.defaults import *

urlpatterns = patterns('yabl.authors.views',
    url(r'^$',             'index',  name="author_index"),
    url(r'^(\d+)/$',       'detail', name="author_detail"),
    url(r'^(\d+)/edit/$',  'edit',   name="author_edit"),
)

#### yabl/authors/forms.py

from django import forms
from yabl.authors.models import Author

class AuthorForm(forms.ModelForm):
    class Meta:
        model = Author
        
#### yabl/authors/views.py

from django.shortcuts import render_to_response, get_object_or_404, redirect
from yabl.authors.models import Author
from yabl.authors.forms import AuthorForm

def index(request):
    return render_to_response('authors/index.html', {
        'authors': Author.objects.all()
    })
    
def detail(request, id):
    return render_to_response('authors/detail.html', {
        'author': get_object_or_404(Author, pk=id),
    })
    
def edit(request, id):
    author = get_object_or_404(Author, id=id)
    if request.method == 'POST':
        form = AuthorForm(request.POST, instance=author)
        if form.is_valid():
            author = form.save()
            return redirect("author_detail", author.id)
    else:
        form = AuthorForm(instance=author)
    
    return render_to_response("authors/form.html", {
        'form': form,
        'author': author,
    })
    
#### yabl/templates/authors/form.html

{% extends "base.html" %}

{% block title %}Edit {{ author.name }}{% endblock %}

{% block content %}
  <form action="{% url author_edit author.id %}" method="post">
    <table>{{ form.as_table }}</table>
    <input type=submit>
  </form>
{% endblock content %}