53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
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from __future__ import absolute_import
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import os
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from datetime import datetime
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from calendar import monthrange
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class CalendarService(object):
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"""
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The 'Calendar' iCloud service, connects to iCloud and returns events.
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"""
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def __init__(self, session, params):
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self.session = session
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self.params = params
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self._calendar_endpoint = 'https://p12-calendarws.icloud.com/ca'
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self._calendar_refresh_url = '%s/events' % self._calendar_endpoint
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def get_system_tz(self):
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"""
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Retrieves the system's timezone.
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From: http://stackoverflow.com/a/7841417
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"""
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return '/'.join(os.readlink('/etc/localtime').split('/')[-2:])
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def refresh_client(self, from_dt=None, to_dt=None):
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"""
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Refreshes the CalendarService endpoint, ensuring that the
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event data is up-to-date. If no 'from_dt' or 'to_dt' datetimes
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have been given, the range becomes this month.
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"""
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today = datetime.today()
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first_day, last_day = monthrange(today.year, today.month)
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if not from_dt:
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from_dt = datetime(today.year, today.month, first_day)
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if not to_dt:
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to_dt = datetime(today.year, today.month, last_day)
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self.session.headers.update({'host': 'p12-calendarws.icloud.com'})
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params = dict(self.params)
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params.update({
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'lang': 'en-us',
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'usertz': self.get_system_tz(),
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'startDate': from_dt.strftime('%Y-%m-%d'),
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'endDate': to_dt.strftime('%Y-%m-%d')
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})
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req = self.session.get(self._calendar_refresh_url, params=params)
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self.response = req.json()
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def events(self, from_dt=None, to_dt=None):
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"""
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Retrieves events for a given date range, by default, this month.
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"""
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self.refresh_client(from_dt, to_dt)
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return self.response['Event']
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