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timeout read_loop? #201

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martin-flower opened this issue Nov 17, 2023 · 1 comment

martin-flower commented Nov 17, 2023

This project is very helpful in enabling my python program to read input from a barcode reader whilst running as a cron job on reboot.

I would like to timeout the read_loop, after say 5 seconds, rather than wait forever for input which might never come.

Is this do-able?

Collaborator

sezanzeb commented Nov 18, 2023 •

edited

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I haven't tried it, but you might have luck with something like

event = asyncio.wait_for(input.async_read_one(), timeout=5)

which should raise an exception after the timeout, or

select.select([input.fd], [], [], 5)
event = input.read_one()

which should be None after the timeout

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