[Python] Japanese public holidays

!pip install jpholiday

from jpholiday import year_holidays
import pandas as pd
import numpy as np


print(np.array(year_holidays(2017)))
holidays = pd.to_datetime(np.array(year_holidays(2017))[:,0])
df = pd.DataFrame({'date': ['2017-10-23', '2017-1-1', '2017-9-18']})
df['date'] = pd.to_datetime(df['date'], format='%Y-%m-%d', errors='ignore')
df['is_holidays'] = df['date'].isin(holidays).astype(int)