48 lines
1.9 KiB
Python
48 lines
1.9 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 holidays.helpers import _normalize_tuple
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class StaticHolidays:
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"""Helper class for special and substituted holidays support.
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Populates special and substituted holidays related data from
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an external class.
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"""
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def __init__(self, cls) -> None:
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for attribute_name in cls.__dict__.keys():
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# Special holidays.
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if attribute_name.startswith("special_") and (
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value := getattr(cls, attribute_name, None)
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):
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setattr(self, attribute_name, value)
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self.has_special_holidays = True
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# Substituted holidays.
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elif attribute_name.startswith("substituted_") and (
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value := getattr(cls, attribute_name, None)
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):
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setattr(self, attribute_name, value)
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self.has_substituted_holidays = True
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# Populate substituted holidays from adjacent years.
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self.weekend_workdays = set()
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for special_public_holidays in getattr(self, "special_public_holidays", {}).values():
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for special_public_holiday in _normalize_tuple(special_public_holidays):
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if len(special_public_holiday) == 5: # The fifth element is the year.
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_, _, from_month, from_day, from_year = special_public_holiday
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self.weekend_workdays.add(date(from_year, from_month, from_day))
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