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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 AUTHORS.md 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 pathlib import Path
from convertdate import gregorian, hebrew
CLASS_NAME = "_HebrewLunisolar"
OUT_FILE_NAME = "hebrew_dates.py"
CLASS_TEMPLATE = """class {class_name}:
{holiday_data}"""
HOLIDAY_DATA_TEMPLATE = """ {hol_name}_DATES = {{
{year_dates}
}}
"""
YEAR_TEMPLATE = " {year}: ({dates}),"
HEBREW_HOLIDAYS = (
(1, 15, "PASSOVER"),
(2, 5, "INDEPENDENCE_DAY"),
(2, 18, "LAG_BAOMER"),
(3, 6, "SHAVUOT"),
(5, 9, "TISHA_BAV"),
(7, 1, "ROSH_HASHANAH"),
(7, 10, "YOM_KIPPUR"),
(7, 15, "SUKKOT"),
(9, 25, "HANUKKAH"),
(12, 14, "PURIM"),
)
def generate_data():
g_year_min, g_year_max = (1947, 2100)
h_year_min = g_year_min + hebrew.HEBREW_YEAR_OFFSET
h_year_max = g_year_max + hebrew.HEBREW_YEAR_OFFSET + 1
dates = {}
for h_year in range(h_year_min, h_year_max + 1):
for h_month, h_day, hol_name in HEBREW_HOLIDAYS:
if h_month == 12 and hebrew.leap(h_year):
h_month += 1
g_date = date(*gregorian.from_jd(hebrew.to_jd(h_year, h_month, h_day)))
g_year = g_date.year
if g_year < g_year_min or g_year > g_year_max:
continue
if g_year in dates:
dates[g_year][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 HEBREW_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
dates_str = f"{dts.strftime('%b').upper()}, {dts.day}"
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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