52 lines
1.6 KiB
Python
52 lines
1.6 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.gregorian import _timedelta
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class EasternCalendarHolidays:
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"""
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Eastern calendar holidays base class.
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"""
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def _add_eastern_calendar_holiday(
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self,
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name: str,
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dt_estimated: tuple[Optional[date], bool],
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show_estimated: bool = True,
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days_delta: int = 0,
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) -> Optional[date]:
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"""
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Add Eastern (Buddhist, Chinese, Hindu, Islamic, Mongolian) calendar holiday.
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Adds customizable estimation label to holiday name if holiday date is an estimation.
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"""
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estimated_label = getattr(self, "estimated_label", "%s (estimated)")
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dt, is_estimated = dt_estimated
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if days_delta and dt:
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dt = _timedelta(dt, days_delta)
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return (
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self._add_holiday(
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self.tr(estimated_label) % self.tr(name)
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if is_estimated and show_estimated
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else name,
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dt,
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)
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if dt
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else None
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)
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