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Refactor asyncio.wait_for() - #31847
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asvetlov wants to merge 4 commits into
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| fut = ensure_future(fut, loop=loop) | ||
| fut.add_done_callback(cb) | ||
| async def inner(): |
Contributor
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@asvetlov I've been having a go at this branch in bf594bd
you need to special case None in asyncio.wait_for(
Suggested change
| asyncdefinner(): | |
| iftimeoutisNone: | |
| returnawaitfut | |
| asyncdefinner(): |
and then special case 0 in timeouts.timeout see https://gist.github.com/graingert/ea2546b23b32be5a4493a9a115db2eff#file-timeout_bug-py-L6
| raise exceptions.TimeoutError() from exc | ||
| finally: | ||
| timeout_handle.cancel() | ||
| return await create_task(inner()) |
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I don't think this extra create_task is worth it, the tests it passes are equivalent to:
asyncdefwait_for(fut, delay):
ifdelayisNone:
returnawaitfutifdelay<=0:
ifasyncio.iscoroutine(fut):
fut.close()
raiseTimeoutErrorContributor
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I think it would be better to skip this create_task and delete the tests that fail
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