[issue30782] Allow limiting the number of concurrent tasks in asyncio.as_completed
Yury Selivanov
report at bugs.python.org
Mon Sep 9 10:41:34 EDT 2019
Yury Selivanov <yselivanov at gmail.com> added the comment:
We want to add TaskGroups to asyncio (a similar concept to Trio's nurseries). TaskGroups use the `async with` statement to clearly define where Tasks are created and at which point they are expected to be completed or destroyed.
asyncio.gather(), asyncio.as_completed(), and few others will be considered legacy APIs after we implement TaskGroups. Implementing rate limiting on top of TaskGroups is easier and more reliable.
I'd really prefer to keep as_completed() and especially gather() as is, as I consider them a bit broken already.
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<https://bugs.python.org/issue30782>
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