Bill Sobel added the comment:
I'd like to suggest a easy fix here (I saw this was closed, but the posters
were asking for a behavior change). With this fix there is no behavior change
to callers or new parameters to the API.
if remaining >= 4.0:
maxDelay = 1
else:
maxDelay = .05
delay = min(delay * 2, remaining, maxDelay)
With this fix the loop waits 1 second until it is 'close' to the expiration
time then goes into its normal 20 times per-second check. For long waits this
is what is causing the power issue and is alleviated by throttling back on the
check when not close to expiration.
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nosy: +Bill.Sobel
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<http://bugs.python.org/issue17748>
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