Expert Twisted: Event-Driven and Asynchronous Programming with Python

Explore Twisted, the Python-based event-driven networking engine, and review several of its most popular application projects. It is written by community leaders who have contributed to many of the projects covered, and share their hard-won insights and experience.Expert Twisted starts with an introduction to event-driven programming, explaining it in the context of what makes Twisted unique. It shows how Twisted's design emphasizes testability as a solution to common challenges of reliability, debugging, and start-to-finish causality that are inherent in event-driven programming. It also explains asynchronous programming, and the importance of functions, deferreds, and coroutines. It then uses two popular applications, treq and klein, to demonstrate calling and writing Web APIs with Twisted.The second part of the book dives into Twisted projects, in each case explaining how the project fits into the Twisted ecosystem and what it does, and offers several examples to bring readers up to speed, with pointers to additional resources for more depth. Examples include using Twisted with Docker, as a WSGI container, for file sharing, and more.What You'll LearnIntegrate Twisted and asyncio using adaptersAutomate software build, test, and release processes with BuildbotCreate clients and servers with AutobahnTransfer files with Magic WormholeDistribute cloud-based file storage with Tahoe LAFSUnderstand HTTP/2 with Python and TwistedSupport for asynchronous tasks using Django ChannelsWho This Book Is ForReaders should have some Python experience and understand the essentials of containers and protocols, but need not be familiar with Twisted or the associated projects covered in the book.

Author: Mark Williams

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