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#!/usr/bin/env python3
# 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 pathlib import Path
from hijridate import convert
from hijridate.ummalqura import HIJRI_RANGE
CLASS_NAME = "_IslamicLunar"
OUT_FILE_NAME = "islamic_dates.py"
CLASS_TEMPLATE = """class {class_name}:
{holiday_data}"""
HOLIDAY_DATA_TEMPLATE = """ {hol_name}_DATES = {{
{year_dates}
}}
"""
YEAR_TEMPLATE = " {year}: {dates},"
ISLAMIC_HOLIDAYS = (
# BH, DJ, EG, ID, MY, MA, TN, AE
(1, 1, "HIJRI_NEW_YEAR"), # Islamic New Year
# BH (days-1), IN, IR, PK
(1, 10, "ASHURA"), # Ashura
# MY
(2, 6, "HARI_HOL_JOHOR"), # Hari Hol of Johor
# SN
(2, 18, "GRAND_MAGAL_OF_TOUBA"), # Grand Magal of Touba
# BH, DJ, EG, ET, IN, ID, MY, MA, NG, PK, TN, AE
(3, 12, "MAWLID"), # Birthday of Prophet
# DJ, ID, IR, MY, AE
(7, 27, "ISRA_AND_MIRAJ"), # Isra and Mi'raj
# MY
(9, 1, "RAMADAN_BEGINNING"), # Beginning of Ramadan
# MY
(9, 17, "NUZUL_AL_QURAN"), # Nuzul Al-Quran Day
# CI, GN
(9, 27, "LAYLAT_AL_QADR"), # Laylat Al-Qadr (The Night of Power)
# AL, AZ, BH, BA, BI, DJ, EG, ET, ID, IN, IR, KG, MY, MA, NG, MK, PK, PH,
# SA, SG, ES, TN, TR, AE, UZ
(10, 1, "EID_AL_FITR"), # Eid al-Fitr
# AL, AZ, BH, BA, BI, DJ, EG, ET, ID, IN, IR, KZ, KG, MY, MA, NG, PK, PH,
# SA, SG, ES, TN, TR, AE, UZ
(12, 10, "EID_AL_ADHA"), # Eid al-Adha
# IR holidays:
(1, 9, "TASUA"), # Tasua
(2, 20, "ARBAEEN"), # Arbaeen
(2, 28, "PROPHET_DEATH"), # Demise of Prophet Muhammad and Martyrdom of Imam Hassan
(2, -1, "ALI_AL_RIDA_DEATH"), # Martyrdom of Imam Reza (last day of Safar)
(3, 8, "HASAN_AL_ASKARI_DEATH"), # Martyrdom of Imam Hasan al-Askari
(3, 17, "SADIQ_BIRTHDAY"), # Birthday of Prophet Muhammad and Imam Sadeq
(6, 3, "FATIMA_DEATH"), # Martyrdom of Fatima
(7, 13, "ALI_BIRTHDAY"), # Birthday of Imam Ali
(8, 15, "IMAM_MAHDI_BIRTHDAY"), # Birthday of Imam Mahdi
(9, 21, "ALI_DEATH"), # Martyrdom of Imam Ali
(10, 25, "SADIQ_DEATH"), # Martyrdom of Imam Sadeq
(12, 18, "EID_AL_GHADIR"), # Eid al-Ghadir
# MV holidays:
(3, 1, "QUAMEE_DHUVAS"), # National Day in Maldives
(4, 1, "MALDIVES_EMBRACED_ISLAM"), # The Day Maldives Embraced Islam
)
def generate_data():
h_year_min, h_year_max = (d[0] for d in HIJRI_RANGE)
dates = {}
for h_year in range(h_year_min, h_year_max + 1):
for h_month, h_day, hol_name in ISLAMIC_HOLIDAYS:
if h_day < 0: # days from end of month
h_day = convert.Hijri(h_year, h_month, 1).month_length() + h_day + 1
g_date = convert.Hijri(h_year, h_month, h_day).to_gregorian()
g_year = g_date.year
if dt := dates.get(g_year):
if dts := dt.get(hol_name):
dts.append(g_date)
else:
dt[hol_name] = [g_date]
else:
dates[g_year] = {hol_name: [g_date]}
g_year_min = min(dates.keys())
g_year_max = max(dates.keys())
holiday_names = sorted(d[2] for d in ISLAMIC_HOLIDAYS)
holiday_data = []
for hol_name in holiday_names:
year_dates = []
for year in range(g_year_min, g_year_max + 1):
dts = dates[year].get(hol_name)
if not dts:
continue
dt = (f"({d.strftime('%b').upper()}, {d.day})" for d in dts)
dates_str = ", ".join(dt)
if len(dts) > 1:
dates_str = f"({dates_str})"
year_dates.append(YEAR_TEMPLATE.format(year=year, dates=dates_str))
year_dates_str = "\n".join(year_dates)
holiday_data.append(
HOLIDAY_DATA_TEMPLATE.format(hol_name=hol_name, year_dates=year_dates_str)
)
holiday_data_str = "\n".join(holiday_data)
class_str = CLASS_TEMPLATE.format(
class_name=CLASS_NAME,
holiday_data=holiday_data_str,
)
path = Path("holidays/calendars") / OUT_FILE_NAME
path.write_text(class_str, encoding="UTF-8")
if __name__ == "__main__":
generate_data()
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