Please see Strict Invalid Time Checking section in PEP 495: https://peps.python.org/pep-0495/#strict-invalid-time-checking
It contains example code for detecting both non-existing and ambiguous times. On Mon, Nov 14, 2022 at 10:41 PM <[email protected]> wrote: > Working on improving zoneinfo support in pandas, I want to check for > non-existent datetimes. e.g. > > ``` > from datetime import datetime, timezone > import zoneinfo > > tz = zoneinfo.ZoneInfo("US/Pacific") > > dt = datetime(2014, 3, 9, 2, tzinfo=tz) # <- want to tell if this exists > > roundtrip = dt.astimezone(timezone.utc).astimezone(tz) > > if roundtrip != dt: > raise ValueError("Nonexistent!") > ``` > > Is checking for round-tripping a) correct and b) the suggested way of > doing this? > _______________________________________________ > Datetime-SIG mailing list -- [email protected] > To unsubscribe send an email to [email protected] > https://mail.python.org/mailman3/lists/datetime-sig.python.org/ > The PSF Code of Conduct applies to this mailing list: > https://www.python.org/psf/codeofconduct/ >
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