Book Image

Mastering Django: Core

By : Nigel George
Book Image

Mastering Django: Core

By: Nigel George

Overview of this book

Mastering Django: Core is a completely revised and updated version of the original Django Book, written by Adrian Holovaty and Jacob Kaplan-Moss - the creators of Django. The main goal of this book is to make you a Django expert. By reading this book, you’ll learn the skills needed to develop powerful websites quickly, with code that is clean and easy to maintain. This book is also a programmer’s manual that provides complete coverage of the current Long Term Support (LTS) version of Django. For developers creating applications for commercial and business critical deployments, Mastering Django: Core provides a complete, up-to-date resource for Django 1.8LTS with a stable code-base, security fixes and support out to 2018.
Table of Contents (33 chapters)
Mastering Django: Core
Credits
About the Author
www.PacktPub.com
Preface
Free Chapter
1
Introduction to Django and Getting Started

Setting initial values


As an improvement to this form, let's add an initial value for the subject field: I love your site! (A little power of suggestion can't hurt.) To do this, we can use the initial argument when we create a Form instance:

def contact(request): 
    if request.method == 'POST': 
        form = ContactForm(request.POST) 
        if form.is_valid(): 
            cd = form.cleaned_data 
            send_mail( 
                cd['subject'], 
                cd['message'], 
                cd.get('email', ['[email protected]](mailto:'noreply%40example.com)'), 
[['[email protected]](mailto:'siteowner%40example.com)'], 
            ) 
            return HttpResponseRedirect('/contact/thanks/') 
    else: 
        form = ContactForm( 
            initial={'subject': 'I love your site!'} 
        ) 
    return render(request, 'contact_form.html', {'form':form}) 

Now, the subject field will...