1#!/usr/bin/env python
2# -*- coding: utf-8 -*-
3#
4# Copyright 2014 Google Inc. All Rights Reserved.
5#
6# Licensed under the Apache License, Version 2.0 (the "License");
7# you may not use this file except in compliance with the License.
8# You may obtain a copy of the License at
9#
10#      http://www.apache.org/licenses/LICENSE-2.0
11#
12# Unless required by applicable law or agreed to in writing, software
13# distributed under the License is distributed on an "AS IS" BASIS,
14# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15# See the License for the specific language governing permissions and
16# limitations under the License.
17
18"""Simple command-line sample for the Calendar API.
19Command-line application that retrieves the list of the user's calendars."""
20
21import sys
22
23from oauth2client import client
24from googleapiclient import sample_tools
25
26
27def main(argv):
28    # Authenticate and construct service.
29    service, flags = sample_tools.init(
30        argv, 'calendar', 'v3', __doc__, __file__,
31        scope='https://www.googleapis.com/auth/calendar.readonly')
32
33    try:
34        page_token = None
35        while True:
36            calendar_list = service.calendarList().list(
37                pageToken=page_token).execute()
38            for calendar_list_entry in calendar_list['items']:
39                print(calendar_list_entry['summary'])
40            page_token = calendar_list.get('nextPageToken')
41            if not page_token:
42                break
43
44    except client.AccessTokenRefreshError:
45        print('The credentials have been revoked or expired, please re-run'
46              'the application to re-authorize.')
47
48if __name__ == '__main__':
49    main(sys.argv)
50