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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)
import argparse
import json
import shutil
import sys
import warnings
from pathlib import Path
sys.path.append(f"{Path.cwd()}") # Make holidays visible.
import holidays # noqa: E402
from holidays import list_supported_countries, list_supported_financial # noqa: E402
class SnapshotGenerator:
"""Creates a snapshot of available holidays for supported entities."""
years = range(1950, 2051)
def __init__(self) -> None:
arg_parser = argparse.ArgumentParser()
arg_parser.add_argument(
"-c",
"--country",
action="extend",
nargs="+",
default=[],
help="Country codes to use for snapshot generation",
required=False,
type=str,
)
arg_parser.add_argument(
"-m",
"--market",
action="extend",
nargs="+",
default=[],
help="Market codes to use for snapshot generation",
required=False,
type=str,
)
self.args = arg_parser.parse_args()
@staticmethod
def prepare_snapshot_directory(snapshot_path):
"""Prepare a directory for snapshots."""
path = Path(snapshot_path)
shutil.rmtree(path, ignore_errors=True)
path.mkdir(parents=True, exist_ok=True)
@staticmethod
def save(snapshot, file_path):
with open(file_path, "w", newline="\n") as output:
output.write(
json.dumps({str(dt): name for dt, name in sorted(snapshot.items())}, indent=4)
)
output.write("\n") # Get along with pre-commit.
def generate_country_snapshots(self):
"""Generates country snapshots."""
if self.args.market:
return None
supported_countries = list_supported_countries(include_aliases=False)
country_list = self.args.country or supported_countries
if unknown_countries := set(country_list).difference(supported_countries.keys()):
raise ValueError(f"Countries {', '.join(unknown_countries)} not available")
snapshot_path = "snapshots/countries"
if not self.args.country:
self.prepare_snapshot_directory(snapshot_path)
for country_code in country_list:
country = getattr(holidays, country_code)
for subdiv in (None,) + country.subdivisions:
self.save(
holidays.country_holidays(
country_code,
subdiv=subdiv,
years=self.years,
categories=country.supported_categories,
language="en_US",
),
f"{snapshot_path}/"
f"{country_code}_{(subdiv or 'COMMON').replace(' ', '_').upper()}.json",
)
def generate_financial_snapshots(self):
"""Generates financial snapshots."""
if self.args.country:
return None
supported_markets = list_supported_financial(include_aliases=False)
market_list = self.args.market or supported_markets
if unknown_markets := set(market_list).difference(supported_markets.keys()):
raise ValueError(f"Markets {', '.join(unknown_markets)} not available")
snapshot_path = "snapshots/financial"
if not self.args.market:
self.prepare_snapshot_directory(snapshot_path)
for market_code in market_list:
self.save(
holidays.country_holidays(
market_code,
years=self.years,
language="en_US",
),
f"{snapshot_path}/{market_code}.json",
)
def run(self):
"""Runs snapshot files generation process."""
self.generate_country_snapshots()
self.generate_financial_snapshots()
if __name__ == "__main__":
warnings.simplefilter("ignore")
SnapshotGenerator().run()
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