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