pyicloud/services/calendar.py

54 lines
1.9 KiB
Python

from __future__ import absolute_import
import os
from datetime import datetime
from calendar import monthrange
class CalendarService(object):
"""
The 'Calendar' iCloud service, connects to iCloud and returns events.
"""
def __init__(self, service_root, session, params):
self.session = session
self.params = params
self._service_root = service_root
self._calendar_endpoint = '%s/ca' % self._service_root
self._calendar_refresh_url = '%s/events' % self._calendar_endpoint
def get_system_tz(self):
"""
Retrieves the system's timezone.
From: http://stackoverflow.com/a/7841417
"""
return '/'.join(os.readlink('/etc/localtime').split('/')[-2:])
def refresh_client(self, from_dt=None, to_dt=None):
"""
Refreshes the CalendarService endpoint, ensuring that the
event data is up-to-date. If no 'from_dt' or 'to_dt' datetimes
have been given, the range becomes this month.
"""
today = datetime.today()
first_day, last_day = monthrange(today.year, today.month)
if not from_dt:
from_dt = datetime(today.year, today.month, first_day)
if not to_dt:
to_dt = datetime(today.year, today.month, last_day)
host = self._service_root.split('//')[1].split(':')[0]
self.session.headers.update({'host': host})
params = dict(self.params)
params.update({
'lang': 'en-us',
'usertz': self.get_system_tz(),
'startDate': from_dt.strftime('%Y-%m-%d'),
'endDate': to_dt.strftime('%Y-%m-%d')
})
req = self.session.get(self._calendar_refresh_url, params=params)
self.response = req.json()
def events(self, from_dt=None, to_dt=None):
"""
Retrieves events for a given date range, by default, this month.
"""
self.refresh_client(from_dt, to_dt)
return self.response['Event']