GoogleCalendarから祝日を取得する

get_holidays.py

#!/usr/bin/env python
# coding: utf-8

import datetime
import requests

URL = 'http://www.google.com/calendar/' \
      'feeds/ja.japanese%23holiday@group.v.calendar.google.com/' \
      'public/full'

def get_holidays(min_date, max_date):
    payload = {'start-min': min_date.strftime('%Y-%m-%d'),
               'start-max': max_date.strftime('%Y-%m-%d'),
               'alt': 'json'}
    r = requests.get(URL, params=payload)
    json = r.json()
    holidays = []

    if not 'entry' in json['feed']:
        return holidays

    for entry in json['feed']['entry']:
        date = entry['gd$when'][0]['startTime']
        date = datetime.datetime.strptime(date, '%Y-%m-%d')
        holidays.append((date, entry['title']['$t'],))

    holidays.sort(key=lambda holiday: holiday[0])
    return holidays

def main():
    holidays = get_holidays(datetime.date(2014, 1, 1),
                            datetime.date(2014, 12, 31))
    for holiday in holidays:
        print('{}: {}'.format(holiday[0], holiday[1]))

if __name__ == '__main__':
    main()