Building Web Applications with Flask

Packt Publishing Ltd
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Flask is a powerful web framework that helps you build great projects using your favorite tools. Flask takes the flexible Python programming language and provides a simple template for web development. Once imported into Python, Flask can be used to save time building web applications. It goes against the flow with the microframework concept, leaving most of the architecture choices to the developer. Through its great API, extensions, and powerful patterns, Flask helps you create simple projects in minutes and complex ones as soon as possible.

From the beginning, Building Web Applications with Flask shows you how to utilize Flask's concepts, extensions, and components to create engaging, full-featured web projects. You'll learn how to properly handle forms using WTForms, devise convenient templates with Jinja2 tags and macros, use NoSQL and SQL databases to store user data, test your projects with features and unit tests, create powerful authentication and user authorization, as well as administrative interfaces with ease, and more.

As Flask does not enforce an architectural recipe, neither do we! This book makes no coding assumptions on how you should code, leaving you free to experiment.

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About the author

Italo Maia is a full-stack developer with 10 years of experience in creating software for the mobile, Web, and desktop environments, having dedicated most of the last few years to development with Python and web technologies. Author of Flask-Empty, a popular skeleton for Flask projects that aggregates good practices and recipes for quick prototyping, he is active in the Brazilian Python communities, having open source tools and libraries available in GitHub and Bitbucket.

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Additional Information

Publisher
Packt Publishing Ltd
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Published on
Jun 26, 2015
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Pages
160
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ISBN
9781784390549
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Language
English
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Genres
Computers / Programming Languages / Python
Computers / Web / General
Computers / Web / Web Programming
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Content Protection
This content is DRM free.
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Available on Android devices
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Jack Stouffer
Gain expertise in Flask to create dynamic and powerful web applicationsAbout This BookWork with scalable Flask application structures to create complex web appsDiscover the most powerful Flask extensions and learn how to create oneDeploy your application to real-world platforms using this step-by-step guideWho This Book Is For

If you are a Flask user who knows the basics of the library and how to create basic web pages with HTML and CSS, and you want to take your applications to the next level, this is the book for you. Harnessing the full power of Flask will allow you to create complex web applications with ease.

What You Will LearnSet up a best practices Python environmentUse SQLAlchemy to programmatically query a databaseDevelop templates in JinjaSet up an MVC environment for FlaskDiscover NoSQL, when to use it, when not to, and how to use itDevelop a custom Flask extensionUse Celery to create asynchronous tasksIn Detail

Flask is a library that allows programmers to create web applications in Python. Flask is a micro-framework that boasts a low learning curve, a large community, and the power to create complex web apps. However, Flask is easy to learn but difficult to master.

Starting from a simple Flask app, this book will walk through advanced topics while providing practical examples of the lessons learned. After building a simple Flask app, a proper app structure is demonstrated by transforming the app to use a Model-View-Controller (MVC) architecture. With a scalable structure in hand, the next chapters use Flask extensions to provide extra functionality to the app, including user login and registration, NoSQL querying, a REST API, an admin interface, and more. Next, you'll discover how to use unit testing to take the guesswork away from making sure the code is performing as it should. The book closes with a discussion of the different platforms that are available to deploy a Flask app on, the pros and cons of each one, and how to deploy on each one.

Style and approach

With plenty of useful examples, this guide introduces new concepts and then shows you how those concepts can be used in a real-world environment. Most sections are based around a single example app that is developed throughout the book.

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