Book Image

Hands-On Enterprise Application Development with Python

By : Saurabh Badhwar
Book Image

Hands-On Enterprise Application Development with Python

By: Saurabh Badhwar

Overview of this book

Dynamically typed languages like Python are continuously improving. With the addition of exciting new features and a wide selection of modern libraries and frameworks, Python has emerged as an ideal language for developing enterprise applications. Hands-On Enterprise Application Development with Python will show you how to build effective applications that are stable, secure, and easily scalable. The book is a detailed guide to building an end-to-end enterprise-grade application in Python. You will learn how to effectively implement Python features and design patterns that will positively impact your application lifecycle. The book also covers advanced concurrency techniques that will help you build a RESTful application with an optimized frontend. Given that security and stability are the foundation for an enterprise application, you’ll be trained on effective testing, performance analysis, and security practices, and understand how to embed them in your codebase during the initial phase. You’ll also be guided in how to move on from a monolithic architecture to one that is service oriented, leveraging microservices and serverless deployment techniques. By the end of the book, you will have become proficient at building efficient enterprise applications in Python.
Table of Contents (24 chapters)
Title Page
Copyright and Credits
About Packt
Contributors
Preface
Index

The Model-View-Controller pattern


Let's start the discussion about the MVC pattern with a diagram:

The diagram shows the flow of a request in an Application using the MVC pattern. When a user makes a new Request, the Request is intercepted by the Application, which then forwards the Request to the appropriate Controller for that Request. Once the Request is received by the Controller, it then interacts with the model, which performs some business logic based on the Request received by it. This could involve the updating of databases, or fetching some data. Once the business logic is executed by the Model, the Controller executes the View with any data that needs to be passed to the View, which then displays the Response for the Request.

Although we will be implementing the MVC pattern later in the book, when we develop our BugZot application, let's take a look at the different components in the MVC pattern, and what roles they play.

Controller

The controller acts as an intermediary between the...