DEPS: Make pytz an optional dependency #59089
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mroeschke added Timezones 5 tasks
pandas/_libs/tslibs/timezones.pyx Outdated
| cdef int64_t NPY_NAT = get_nat() | ||
| cdef tzinfo utc_stdlib = timezone.utc | ||
| cdef tzinfo utc_pytz = pytz.utc | ||
| cdef object utc_pytz = pytz.UTC if pytz else None |
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cant we keep this as a tzinfo object?
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Ah I had thought cython wouldn't like tzinfo since this could be None, but was able to keep as tzinfo
pandas/_libs/tslibs/timezones.pyx Outdated
| if ZoneInfo is None: | ||
| return False | ||
| return isinstance(tz, ZoneInfo) | ||
| return isinstance(tz, zoneinfo.ZoneInfo) |
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might be a small bump by doing cdef type ZoneInfo at the module level?
| Will merge at the end of the week if there are no further comments |
shreyas-dev pushed a commit to shreyas-dev/pandas that referenced this pull request Aug 13, 2024
* Make pytz an optional dependency * Start to address tests * Fix tests * Fix tests * Fix test, import optional pytz in conftest * Fix formatting * Change minimum * remove type ignore * another pa under 17 * Address comments * Undo file * Fix pyarrow 17 test * Test xpasses on pyarrow 18
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baryluk reviewed Jul 9, 2025
| ts = pd.Timestamp(2024, 1, 1).tz_localize("US/Pacific") | ||
| ts.tz | ||
| ``pytz`` timezone objects are still supported when passed directly, but they will no longer be returned by default |
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pytztimezone objects are still supported when passed directly, but they will no longer be returned by default
This is a bit confusing. It suggests, that pd.Timestamp and others can be used to make it do return pytz objects.
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doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.This makes pandas return zoneinfo.ZoneInfo objects by default from string inputs