Book Image

Flask Framework Cookbook - Second Edition

By : Shalabh Aggarwal
Book Image

Flask Framework Cookbook - Second Edition

By: Shalabh Aggarwal

Overview of this book

Flask, the lightweight Python web framework, is popular thanks to its powerful modular design that lets you build scalable web apps. With this recipe-based guide, you’ll explore modern solutions and best practices for Flask web development. Updated to the latest version of Flask and Python 3, this second edition of Flask Framework Cookbook moves away from some of the old and obsolete libraries and introduces new recipes on cutting-edge technologies. You’ll discover different ways of using Flask to create, deploy, and manage microservices. This Flask Python book starts by covering the different configurations that a Flask application can make use of, and then helps you work with templates and learn about the ORM and view layers. You’ll also be able to write an admin interface and get to grips with debugging and logging errors. Finally, you’ll learn a variety of deployment and post-deployment techniques for platforms such as Apache, Tornado, and Heroku. By the end of this book, you’ll have gained all the knowledge you need to confidently write Flask applications and scale them using standard industry practices.
Table of Contents (15 chapters)

Implementing block composition and layout inheritance

Usually, any web application will have a number of web pages that are different to each other. However, code blocks such as headers and footers will appear the same on almost all pages throughout the site; likewise, the menu will remain the same. In fact, it is usually just the center container block that changes. For this, Jinja2 provides a great way of ensuring inheritance among templates.

With this in mind, it's good practice to have a base template where the basic layout of the site, along with the header and footer, can be structured.

Getting ready

In this recipe, we will try to create a small application where we will have a home page and a product page (such...