reminder.py

from __future__ import print_function
import httplib2
import os

from apiclient import discovery
import oauth2client
from oauth2client import client
from oauth2client import tools
from oauth2client import file

import datetime
proxy = 'http://172.31.2.4:8080'

os.environ['http_proxy'] = proxy 
os.environ['HTTP_PROXY'] = proxy
os.environ['https_proxy'] = proxy
os.environ['HTTPS_PROXY'] = proxy

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_SECRET_FILE = 'credentials.json'
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,
                                   'credentials.json')

    store = oauth2client.file.Storage(credential_path)
    credentials = store.get()
    if not credentials or credentials.invalid:
        flow = client.flow_from_clientsecrets(CLIENT_SECRET_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)
    return credentials

def setreminder(summary, email, start_date, end_date):
    """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)

    # Refer to the Python quickstart on how to setup the environment:
    # https://developers.google.com/google-apps/calendar/quickstart/python
    # Change the scope to 'https://www.googleapis.com/auth/calendar' and delete any
    # stored credentials.

    event = {
      'summary': summary,
      'description': summary,
      'start': {
        'dateTime': start_date,
        'timeZone': 'America/Los_Angeles',
      },
      'end': {
        'dateTime': end_date,
        'timeZone': 'America/Los_Angeles',
      },
      'recurrence': [
        'RRULE:FREQ=DAILY;COUNT=2'
      ],
      'attendees': [
        {'email': email},
      ],
      'reminders': {
        'useDefault': False,
        'overrides': [
          {'method': 'email', 'minutes': 2},
          {'method': 'popup', 'minutes': 1},
        ],
      },
    }

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

#setreminder('HINT 2019', 'priyanshu8112000@gmail.com', '2019-03-31T09:50:00+05:30', '2019-04-3T3:58:00+05:30')