225 lines
8.1 KiB
Python
225 lines
8.1 KiB
Python
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# -*- coding: utf-8 -*-
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# 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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# Author: ryanss <ryanssdev@icloud.com> (c) 2014-2017
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# dr-prodigy <maurizio.montel@gmail.com> (c) 2017-2020
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# Website: https://github.com/dr-prodigy/python-holidays
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# License: MIT (see LICENSE file)
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from datetime import date
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from dateutil.easter import easter
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from dateutil.relativedelta import relativedelta as rd, MO, FR, WE, TU
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from holidays.constants import JAN, FEB, MAR, APR, JUN, SEP, OCT, \
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NOV, DEC
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from holidays.constants import TUE, WED, THU, WEEKEND
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from holidays.holiday_base import HolidayBase
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class NewZealand(HolidayBase):
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PROVINCES = ['NTL', 'AUK', 'TKI', 'HKB', 'WGN', 'MBH', 'NSN', 'CAN',
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'STC', 'WTL', 'OTA', 'STL', 'CIT']
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def __init__(self, **kwargs):
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self.country = 'NZ'
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HolidayBase.__init__(self, **kwargs)
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def _populate(self, year):
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# Bank Holidays Act 1873
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# The Employment of Females Act 1873
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# Factories Act 1894
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# Industrial Conciliation and Arbitration Act 1894
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# Labour Day Act 1899
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# Anzac Day Act 1920, 1949, 1956
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# New Zealand Day Act 1973
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# Waitangi Day Act 1960, 1976
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# Sovereign's Birthday Observance Act 1937, 1952
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# Holidays Act 1981, 2003
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if year < 1894:
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return
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# New Year's Day
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name = "New Year's Day"
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jan1 = date(year, JAN, 1)
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self[jan1] = name
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if self.observed and jan1.weekday() in WEEKEND:
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self[date(year, JAN, 3)] = name + " (Observed)"
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name = "Day after New Year's Day"
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jan2 = date(year, JAN, 2)
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self[jan2] = name
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if self.observed and jan2.weekday() in WEEKEND:
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self[date(year, JAN, 4)] = name + " (Observed)"
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# Waitangi Day
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if year > 1973:
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name = "New Zealand Day"
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if year > 1976:
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name = "Waitangi Day"
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feb6 = date(year, FEB, 6)
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self[feb6] = name
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if self.observed and year >= 2014 and feb6.weekday() in WEEKEND:
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self[feb6 + rd(weekday=MO)] = name + " (Observed)"
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# Easter
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self[easter(year) + rd(weekday=FR(-1))] = "Good Friday"
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self[easter(year) + rd(weekday=MO)] = "Easter Monday"
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# Anzac Day
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if year > 1920:
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name = "Anzac Day"
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apr25 = date(year, APR, 25)
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self[apr25] = name
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if self.observed and year >= 2014 and apr25.weekday() in WEEKEND:
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self[apr25 + rd(weekday=MO)] = name + " (Observed)"
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# Sovereign's Birthday
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if year >= 1952:
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name = "Queen's Birthday"
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elif year > 1901:
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name = "King's Birthday"
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if year == 1952:
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self[date(year, JUN, 2)] = name # Elizabeth II
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elif year > 1937:
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self[date(year, JUN, 1) + rd(weekday=MO(+1))] = name # EII & GVI
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elif year == 1937:
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self[date(year, JUN, 9)] = name # George VI
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elif year == 1936:
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self[date(year, JUN, 23)] = name # Edward VIII
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elif year > 1911:
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self[date(year, JUN, 3)] = name # George V
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elif year > 1901:
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# http://paperspast.natlib.govt.nz/cgi-bin/paperspast?a=d&d=NZH19091110.2.67
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self[date(year, NOV, 9)] = name # Edward VII
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# Labour Day
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name = "Labour Day"
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if year >= 1910:
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self[date(year, OCT, 1) + rd(weekday=MO(+4))] = name
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elif year > 1899:
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self[date(year, OCT, 1) + rd(weekday=WE(+2))] = name
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# Christmas Day
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name = "Christmas Day"
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dec25 = date(year, DEC, 25)
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self[dec25] = name
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if self.observed and dec25.weekday() in WEEKEND:
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self[date(year, DEC, 27)] = name + " (Observed)"
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# Boxing Day
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name = "Boxing Day"
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dec26 = date(year, DEC, 26)
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self[dec26] = name
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if self.observed and dec26.weekday() in WEEKEND:
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self[date(year, DEC, 28)] = name + " (Observed)"
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# Province Anniversary Day
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if self.prov in ('NTL', 'Northland', 'AUK', 'Auckland'):
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if 1963 < year <= 1973 and self.prov in ('NTL', 'Northland'):
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name = "Waitangi Day"
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dt = date(year, FEB, 6)
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else:
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name = "Auckland Anniversary Day"
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dt = date(year, JAN, 29)
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if dt.weekday() in (TUE, WED, THU):
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self[dt + rd(weekday=MO(-1))] = name
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else:
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self[dt + rd(weekday=MO)] = name
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elif self.prov in ('TKI', 'Taranaki', 'New Plymouth'):
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name = "Taranaki Anniversary Day"
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self[date(year, MAR, 1) + rd(weekday=MO(+2))] = name
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elif self.prov in ('HKB', "Hawke's Bay"):
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name = "Hawke's Bay Anniversary Day"
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labour_day = date(year, OCT, 1) + rd(weekday=MO(+4))
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self[labour_day + rd(weekday=FR(-1))] = name
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elif self.prov in ('WGN', 'Wellington'):
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name = "Wellington Anniversary Day"
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jan22 = date(year, JAN, 22)
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if jan22.weekday() in (TUE, WED, THU):
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self[jan22 + rd(weekday=MO(-1))] = name
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else:
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self[jan22 + rd(weekday=MO)] = name
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elif self.prov in ('MBH', 'Marlborough'):
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name = "Marlborough Anniversary Day"
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labour_day = date(year, OCT, 1) + rd(weekday=MO(+4))
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self[labour_day + rd(weeks=1)] = name
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elif self.prov in ('NSN', 'Nelson'):
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name = "Nelson Anniversary Day"
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feb1 = date(year, FEB, 1)
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if feb1.weekday() in (TUE, WED, THU):
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self[feb1 + rd(weekday=MO(-1))] = name
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else:
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self[feb1 + rd(weekday=MO)] = name
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elif self.prov in ('CAN', 'Canterbury'):
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name = "Canterbury Anniversary Day"
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showday = date(year, NOV, 1) + rd(weekday=TU) + \
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rd(weekday=FR(+2))
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self[showday] = name
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elif self.prov in ('STC', 'South Canterbury'):
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name = "South Canterbury Anniversary Day"
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dominion_day = date(year, SEP, 1) + rd(weekday=MO(4))
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self[dominion_day] = name
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elif self.prov in ('WTL', 'Westland'):
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name = "Westland Anniversary Day"
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dec1 = date(year, DEC, 1)
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# Observance varies?!?!
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if year == 2005: # special case?!?!
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self[date(year, DEC, 5)] = name
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elif dec1.weekday() in (TUE, WED, THU):
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self[dec1 + rd(weekday=MO(-1))] = name
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else:
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self[dec1 + rd(weekday=MO)] = name
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elif self.prov in ('OTA', 'Otago'):
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name = "Otago Anniversary Day"
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mar23 = date(year, MAR, 23)
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# there is no easily determined single day of local observance?!?!
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if mar23.weekday() in (TUE, WED, THU):
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dt = mar23 + rd(weekday=MO(-1))
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else:
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dt = mar23 + rd(weekday=MO)
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if dt == easter(year) + rd(weekday=MO): # Avoid Easter Monday
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dt += rd(days=1)
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self[dt] = name
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elif self.prov in ('STL', 'Southland'):
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name = "Southland Anniversary Day"
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jan17 = date(year, JAN, 17)
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if year > 2011:
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self[easter(year) + rd(weekday=TU)] = name
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else:
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if jan17.weekday() in (TUE, WED, THU):
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self[jan17 + rd(weekday=MO(-1))] = name
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else:
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self[jan17 + rd(weekday=MO)] = name
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elif self.prov in ('CIT', 'Chatham Islands'):
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name = "Chatham Islands Anniversary Day"
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nov30 = date(year, NOV, 30)
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if nov30.weekday() in (TUE, WED, THU):
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self[nov30 + rd(weekday=MO(-1))] = name
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else:
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self[nov30 + rd(weekday=MO)] = name
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class NZ(NewZealand):
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pass
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class NZL(NewZealand):
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pass
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