64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
# holidays
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# --------
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# A fast, efficient Python library for generating country, province and state
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# specific sets of holidays on the fly. It aims to make determining whether a
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# specific date is a holiday as fast and flexible as possible.
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#
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# Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
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# dr-prodigy <dr.prodigy.github@gmail.com> (c) 2017-2023
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# ryanss <ryanssdev@icloud.com> (c) 2014-2017
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# Website: https://github.com/vacanza/holidays
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# License: MIT (see LICENSE file)
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from datetime import date
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from typing import Optional
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from holidays.calendars import _BuddhistLunisolar
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from holidays.groups.eastern import EasternCalendarHolidays
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class BuddhistCalendarHolidays(EasternCalendarHolidays):
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"""
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Buddhist lunisolar calendar holidays.
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"""
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def __init__(self, cls=None, show_estimated=False) -> None:
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self._buddhist_calendar = cls() if cls else _BuddhistLunisolar()
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self._buddhist_calendar_show_estimated = show_estimated
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def _add_buddhist_calendar_holiday(
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self, name: str, dt_estimated: tuple[Optional[date], bool]
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) -> Optional[date]:
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"""
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Add Buddhist calendar holiday.
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Adds customizable estimation label to holiday name if holiday date
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is an estimation.
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"""
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return self._add_eastern_calendar_holiday(
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name, dt_estimated, self._buddhist_calendar_show_estimated
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)
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def _add_vesak(self, name) -> Optional[date]:
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"""
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Add Vesak (15th day of the 4th lunar month).
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Vesak for Thailand, Laos, Singapore and Indonesia.
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https://en.wikipedia.org/wiki/Vesak
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"""
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return self._add_buddhist_calendar_holiday(
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name, self._buddhist_calendar.vesak_date(self._year)
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)
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def _add_vesak_may(self, name) -> Optional[date]:
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"""
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Add Vesak (on the day of the first full moon in May
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in the Gregorian calendar).
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Vesak for Sri Lanka, Nepal, India, Bangladesh and Malaysia.
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https://en.wikipedia.org/wiki/Vesak
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"""
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return self._add_buddhist_calendar_holiday(
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name, self._buddhist_calendar.vesak_may_date(self._year)
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)
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