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Exactly-Once Initialization in Asynchronous Python

July 30, 2020 nullprogram.com/blog/2020/07/30/ A common situation in asyncio Python programs is asynchronous initialization. Some resource must be initialized exactly once before it can be used, but the initialization itself is asynchronous — such as an asyncpg database. Let’s talk about a couple of solutions. The naive “solution” would be to track the initialization state…

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