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asyncio in Practice: We Did It Wrong


This talk is aimed at those that have at least intermediate experience in Python and have played around with asynchronous Python using asyncio or other libraries. I want the audience to learn from my mistakes! For instance, how easy it is to get into “callback hell” (and how to avoid/get out of it), how to screw up thread safety and deadlock yourself, and making code async but not actually concurrent.

I’ll talk through some anti-patterns and best practices that I learned the hard way. This includes proper concurrency, calling coroutines from synchronous code, working with threads and threadsafety, properly shutting down an async programs, and hidden “gotchas”.


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