89 lines
2.5 KiB
Python
89 lines
2.5 KiB
Python
from __future__ import print_function
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import datetime
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import os.path
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import argparse
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from google.auth.transport.requests import Request
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from google.oauth2.credentials import Credentials
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from google_auth_oauthlib.flow import InstalledAppFlow
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from googleapiclient.discovery import build
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from googleapiclient.errors import HttpError
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from pprint import pprint
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SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']
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def authorize():
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creds = None
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if os.path.exists('token.json'):
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creds = Credentials.from_authorized_user_file('token.json', SCOPES)
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if not creds or not creds.valid:
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if creds and creds.expired and creds.refresh_token:
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creds.refresh(Request())
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else:
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flow = InstalledAppFlow.from_client_secrets_file('credentials.json', SCOPES)
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creds = flow.run_local_server(port=7384)
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with open('token.json', 'w') as token:
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token.write(creds.to_json())
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return creds
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def construct_calendar_service(creds):
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return build('calendar', 'v3', credentials=creds)
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def list_all_calendars(calendar_service):
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page_token = None
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list_of_entries = []
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while True:
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calendar_list = calendar_service.calendarList().list(pageToken=page_token).execute()
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list_of_entries.extend(calendar_list['items'])
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page_token = calendar_list.get('nextPageToken')
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if not page_token:
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break
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return list_of_entries
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def get_calendar_events(calendar_service, calendar_id, num_events):
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now = datetime.datetime.utcnow().isoformat() + "Z"
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events_result = calendar_service.events().list(
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calendarId=calendar_id,
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timeMin=now,
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maxResults=num_events,
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singleEvents=True,
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orderBy='startTime'
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).execute()
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events = events_result.get('items', [])
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return events
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def main():
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argument_parser = argparse.ArgumentParser()
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argument_parser.add_argument('calendarname', help="The calendar name you want to see events from")
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argument_parser.add_argument('numberofevents', help="The number of events to return")
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parsed_args = argument_parser.parse_args()
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creds = authorize()
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service = construct_calendar_service(creds)
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all_calendars = list_all_calendars(service)
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for element in all_calendars:
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if element["summary"] == parsed_args.calendarname:
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events = get_calendar_events(service, element["id"], parsed_args.numberofevents)
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pprint(events)
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break
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if __name__ == '__main__':
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main() |