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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

Streaming data

When introducing the concept of streaming in Chapter 4, Ingesting HTTP Data, I said that request streaming was probably the less popular of the two types. I do not have any empirical data to confirm this, but it seems readily apparent to me that when most people hear the term streaming—whether they are a developer or a layperson—the implication is that there is a consumption of some form of media from the cloud.

In this section, what we are looking to achieve is to learn how we can accomplish this. How exactly does this work? When building a streaming response, Sanic will add the same Transfer Encoding: chunked header that we saw with streaming requests. This is the indication to the client that the server is about to send incomplete data. Therefore, it should leave the connection open.

Once this happens, it is time for the server to send data at its discretion. What is a chunk of data? It follows a protocol whereby the server sends the number of...

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