Alexander Belopolsky <alexander.belopol...@gmail.com> added the comment:
> I think that a "truncate to rrule" function is *way* beyond the scope of the
> standard library
I agree and I did not propose that. What I said was that in the process of
implementing truncate to rrule in dateutil you may encounter some common
pattern that may benefit from a new stdlib datetime feature.
The operation that I often need is
def truncate_datetime(t:datetime, interval:timedelta, start=datetime.min) ->
datetime
"""Return the largest datetime of the form start + interval * i not greater
than t"""
but it is exactly the kind of one-liner that does not belong to stdlib.
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<https://bugs.python.org/issue32522>
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