# To delete events from Google Calendar
# Delets events having summary `Class of*`
from __future__ import print_function
import httplib2
import os
from dates import END_TERM_BEGIN, MID_TERM_BEGIN, SEM_BEGIN, GYFT_RECUR_STRS
from apiclient import discovery
import oauth2client
from oauth2client import client
from oauth2client import tools
from oauth2client import file
import datetime
try:
import argparse
flags = argparse.ArgumentParser(parents=[tools.argparser]).parse_args()
except ImportError:
flags = None
SCOPES = 'https://www.googleapis.com/auth/calendar'
CLIENT_SECRET_FILE = 'client_secret.json'
APPLICATION_NAME = 'gyft'
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 = 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 main():
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 events')
eventsResult = service.events().list(
calendarId='primary', timeMin=SEM_BEGIN.strftime('%Y-%m-%dT%H:%M:%S.%fZ'), singleEvents=False, timeMax=END_TERM_BEGIN.strftime('%Y-%m-%dT%H:%M:%S.%fZ'), maxResults=2500).execute()
events = eventsResult.get('items', [])
# print(events)
if not events:
print('No upcoming events found.')
for event in events:
# print(event.get('recurrence'))
if event.get('recurrence', 'NoRecur') in GYFT_RECUR_STRS:
service.events().delete(calendarId='primary',
eventId=event["id"]).execute()
print("Deleted: ", event["summary"], event["start"])
print("Deletion done!")
if __name__ == '__main__':
main()
