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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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Part 1:Getting Started with Sanic
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Chapter 1: Introduction to Sanic and Async Frameworks
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Part 2:Hands-On Sanic
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Part 3:Putting It All together
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Implementing proper exception handling

Before we look at how to handle exceptions with Sanic, it is important to consider that a failure to properly address this could become a security problem. The obvious way would be through inadvertent disclosure of sensitive information, which is known as leaking. This occurs when an exception is raised (by mistake or on purpose by the user) and your application reports back, exposing details about how the application is built or the data stored.

In a real-world worst-case scenario, I once had an old forgotten endpoint that no longer worked in one of my web applications. No one used it anymore, and I simply forgot that it existed or was even still live. The problem was that the endpoint did not have proper exception handling and errors were directly reported as they occurred. That means even Failure to connect to database XYZ using username ABC and password EFG messages were flowing right to anyone that accessed the endpoint. Oops!

Therefore...

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