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Python Web Development with Sanic

Python Web Development with Sanic

By : Stephen Sadowski, Adam Hopkins
4.2 (6)
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Python Web Development with Sanic

Python Web Development with Sanic

4.2 (6)
By: Stephen Sadowski, Adam Hopkins

Overview of this book

Today’s developers need something more powerful and customizable when it comes to web app development. They require effective tools to build something unique to meet their specific needs, and not simply glue a bunch of things together built by others. This is where Sanic comes into the picture. Built to be unopinionated and scalable, Sanic is a next-generation Python framework and server tuned for high performance. This Sanic guide starts by helping you understand Sanic’s purpose, significance, and use cases. You’ll learn how to spot different issues when building web applications, and how to choose, create, and adapt the right solution to meet your requirements. As you progress, you’ll understand how to use listeners, middleware, and background tasks to customize your application. The book will also take you through real-world examples, so you will walk away with practical knowledge and not just code snippets. By the end of this web development book, you’ll have gained the knowledge you need to design, build, and deploy high-performance, scalable, and maintainable web applications with the Sanic framework.
Table of Contents (16 chapters)
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1
Part 1:Getting Started with Sanic
4
Part 2:Hands-On Sanic
11
Part 3:Putting It All together

Websockets for two-way communication

You have almost definitely experienced websockets on your favorite web applications before. They are a tool that helps to create a super-rich layer of user experience and can be used in a wide variety of contexts. While SSEs are, essentially, just an open stream that has not yet been terminated, websockets are something completely different.

Plain vanilla HTTP is just a specification (or protocol) for how messages can be formatted and transmitted over a TCP connection between machines. Websockets are a separate protocol complete with directions on how messages should be formatted, sent, received, and more. The specification for them is really quite involved, and we could probably devote an entire book to just discussing websockets. Instead, we will simply focus on their implementation within Sanic. The one technical detail about websockets that is worth mentioning is that they begin their life as a normal HTTP connection. The request comes in...

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