quickstart.py

from __future__ import print_function
import httplib2
import os

from apiclient import discovery
from oauth2client import client
from oauth2client import tools
import oauth2client
from oauth2client.file import Storage
import flask
import json

import datetime

try:
    import argparse
    flags = argparse.ArgumentParser(parents=[tools.argparser]).parse_args()
except ImportError:
    flags = None

# If modifying these scopes, delete your previously saved credentials
# at ~/.credentials/calendar-python-quickstart.json
SCOPES = 'https://www.googleapis.com/auth/calendar'
CLIENT_SECRETS_FILE = os.environ.get('CLIENT_SECRETS_FILE')
APPLICATION_NAME = 'Google Calendar API Python Quickstart'


def get_credentials():
    """Gets valid user credentials from storage.

    If nothing has been stored, or if the stored credentials are invalid,
    the OAuth2 flow is completed to obtain the new credentials.

    Returns:
        Credentials, the obtained credential.
    """
    home_dir = os.path.expanduser('~')
    credential_dir = os.path.join(home_dir, '.credentials')
    if not os.path.exists(credential_dir):
        os.makedirs(credential_dir)
    credential_path = os.path.join(credential_dir,
                                   'calendar-python-quickstart.json')

    store = Storage(credential_path)
    credentials = store.get()
    flow = client.flow_from_clientsecrets(CLIENT_SECRETS_FILE, SCOPES)
    flow.user_agent = APPLICATION_NAME
    if flags:
        credentials = tools.run_flow(flow, store, flags)
    else: # Needed only for compatibility with Python 2.6
        credentials = tools.run(flow, store)
    print('Storing credentials to ' + credential_path)
    j_credentials = credentials.to_json()
    print(j_credentials)
    #flask.session['credentials'] = j_credentials
    return credentials

def main():
    """Shows basic usage of the Google Calendar API.

    Creates a Google Calendar API service object and outputs a list of the next
    10 events on the user's calendar.
    """
    credentials = get_credentials()
    http = credentials.authorize(httplib2.Http())
    service = discovery.build('calendar', 'v3', http=http)
    now = datetime.datetime.utcnow().isoformat() + 'Z' # 'Z' indicates UTC time
    print('Getting the upcoming 10 events')
    eventsResult = service.events().list(
        calendarId='primary', timeMin=now, maxResults=10, singleEvents=True,
        orderBy='startTime').execute()
    events = eventsResult.get('items', [])

    if not events:
        print('No upcoming events found.')
    for event in events:
        start = event['start'].get('dateTime', event['start'].get('date'))
        print(start, event['summary'])
    calendar = service.calendars().get(calendarId='primary').execute()
    print (calendar['summary'])

    event = {
      'summary': 'Google I/O 2015',
      'location': '800 Howard St., San Francisco, CA 94103',
      'description': 'A chance to hear more about Google\'s developer products.',
      'start': {
        'dateTime': '2017-11-28T09:00:00-07:00',
        'timeZone': 'America/Los_Angeles',
      },
      'end': {
        'dateTime': '2017-11-29T17:00:00-07:00',
        'timeZone': 'America/Los_Angeles',
      },
      'recurrence': [
        'RRULE:FREQ=DAILY;COUNT=2'
      ],
      'attendees': [
        {'email': 'lpage@example.com'},
        {'email': 'sbrin@example.com'},
      ],
      'reminders': {
        'useDefault': False,
        'overrides': [
          {'method': 'email', 'minutes': 24 * 60},
          {'method': 'popup', 'minutes': 10},
        ],
      },
    }

    event = service.events().insert(calendarId='primary', body=event).execute()
    print ('Event created: %s' % (event.get('htmlLink')))


if __name__ == '__main__':
    main()