[issue29569] threading.Timer class: Continue periodical execution till action returns True

[Raymond Hettinger]

Raymond Hettinger added the comment:

Ideally, proposed API expansions should be based on a demonstrated user need. This API is over decade old and I don't recall a single user request for this functionality.  A quick scan of StackOverflow didn't turn-up any questions or answers on the subject.

I don't see anything intrinsically wrong with the idea, but in the absence of demonstrated need, it is likely to become unused cruft with it attendant burden on maintenance and cognitive load.

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nosy: +rhettinger

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<http://bugs.python.org/issue29569>
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