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Django Web Framework (Python)

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Django é um framework de web server-side extremamente popular e repleto de características, escrito em Python. O módulo mostra por que o Django é um dos frameworks web mais populares, como configurar um ambiente de desenvolvimento e como começar a usa-lo para criar seus próprios aplicativos da Web.

Pré requisitos

Antes de iniciar este módulo você não precisa ter nenhum conhecimento de Django. Você precisará entender o que programação server-side e web frameworks são, idealmente lendo os tópicos em nosso módulo Server-side programação de website primeiros passos.

Um conhecimento geral de conceitos de programação e Python é recomendado, mas não essenciais para entendimento dos conceitos principais.

Nota: O Python é uma das linguagens de programação mais fáceis para os iniciantes lerem e entenderem. Dito isto, se você quiser entender melhor este módulo, então existem inúmeros livros e tutoriais gratuitos disponíveis pela Internet (programadores iniciantes podem querer ver a página Python for Non Programmers no wiki do

Como começar?

Introdução ao Django

Neste primeiro artigo sobre Django vamos responder a questão “O que é Django?” e mostrar um resumo sobre o que faz esse web framework ser especial. Nós vamos resumir os recursos principais, incluindo algumas das funcionalidades avançadas que não teremos tempo de detalhar neste módulo. Também mostraremos alguns dos principais blocos de construção de um aplicativo Django, para que você tenha uma idéia do que ele pode fazer antes de continuar e configurá-lo e começar a se divertir.

Configurando um ambiente de desenvolvimento Django
Now that you know what Django is for, we'll show you how to setup and test a Django development environment on Windows, Linux (Ubuntu), and Mac OS X — whatever common operating system you are using, this article should give you what you need to be able to start developing Django apps.
Tutorial Django: Website de uma Biblioteca Local
The first article in our practical tutorial series explains what you'll learn, and provides an overview of the "local library" example website we'll be working through and evolving in subsequent articles.
Tutorial Django Parte 2: Criando a base do website
This article shows how you can create a "skeleton" website project as a basis, which you can then go on to populate with site-specific settings, urls, models, views, and templates.
Tutorial Django Parte 3: Utilizando models
This article shows how to define models for the LocalLibrary website — models represent the data structures we want to store our app's data in, and also allow Django to store data in a database for us (and modify it later on). It explains what a model is, how it is declared, and some of the main field types. It also briefly shows a few of the main ways you can access model data.
Tutorial Django Parte 4: Django admin site
Now that we've created models for the LocalLibrary website, we'll use the Django Admin site to add some "real" book data. First we'll show you how to register the models with the admin site, then we'll show you how to login and create some data. At the end we show some of ways you can further improve the presentation of the admin site.
Tutorial Django Parte 5: Criando nossa página principal
We're now ready to add the code to display our first full page — a home page for the LocalLibrary that shows how many records we have of each model type and provides sidebar navigation links to our other pages. Along the way we'll gain practical experience in writing basic URL maps and views, getting records from the database, and using templates.
Tutorial Django Parte 6: Lista genérica e detail views
This tutorial extends our LocalLibrary website, adding list and detail pages for books and authors. Here we'll learn about generic class-based views, and show how they can reduce the amount of code you have to write for common use cases. We'll also go into URL handling in greater detail, showing how to perform basic pattern matching.
Tutorial Django Parte 7: Framework de Sessões
This tutorial extends our LocalLibrary website, adding a session-based visit-counter to the home page. This is a relatively simple example, but it does shows how you can use the session framework to provide peristent behaviour for anonymous users in your own sites.
Django Tutorial Part 8: Autenticação de Usuário e permissões
In this tutorial we'll show you how to allow users to login to your site with their own accounts, and how to control what they can do and see based on whether or not they are logged in and their permissions. As part of this demonstration we'll extend the LocalLibrary website, adding login and logout pages, and user- and staff-specific pages for viewing books that have been borrowed.
Tutorial Django Parte 9: Trabalhando com formulários
In this tutorial we'll show you how to work with HTML Forms in Django, and in particular the easiest way to write forms to create, update, and delete model instances. As part of this demonstration we'll extend the LocalLibrary website so that librarians can renew books, and create, update, and delete authors using our own forms (rather than using the admin application).
Tutorial Django Parte 10: Testando uma aplicação web Django
As websites grow they become harder to test manually — not only is there more to test, but, as the interactions between components become more complex, a small change in one area can require many additional tests to verify its impact on other areas. One way to mitigate these problems is to write automated tests, which can easily and reliably be run every time you make a change. This tutorial shows how to automate unit testing of your website using Django's test framework.
Tutorial Django Parte 11: Implantando Django em produção
Now you've created (and tested) an awesome LocalLibrary website, you're going to want to install it on a public web server so that it can be accessed by library staff and members over the Internet. This article provides an overview of how you might go about finding a host to deploy your website, and what you need to do in order to get your site ready for production.
Segurança de aplicações web Django
Protecting user data is an essential part of any website design. We previously explained some of the more common security threats in the article Web security — this article provides a practical demonstration of how Django's in-built protections handle such threats.


The following assessment will test your understanding of how to create a website using Django, as described in the guides listed above.

DIY Django mini blog
In this assessment you'll use some of the knowledge you've learned from this module to create your own blog.

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 Colaboradores desta página: dougfeltrim, jozadaquebatista
 Última atualização por: dougfeltrim,