Get holidays from the holidays python package for various geographies and years

get_holidays.py

from typing import Optional

import numpy as np
import pandas as pd

import holidays


def get_holidays(
    years: Optional[list[int]] = None,
    holiday: Optional[holidays.CountryHoliday] = None,
) -> pd.DataFrame:
    if holiday is None:
        holiday = holidays.GB

    if years is None:
        years = np.arange(2012, 2025)

    return (
        pd.DataFrame(holiday(years=years), index=[0])
        .T.reset_index(names="date")
        .rename(columns={0: "type"})
    )


if __name__ == "__main__":
    print(get_holidays())