2022-09-28 15:59:12 +02:00
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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2022-09-28 15:52:52 +02:00
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import tempfile
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import datetime
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import os.path
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import json
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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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# If modifying these scopes, delete the file token.json.
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SCOPES = ['https://www.googleapis.com/auth/calendar']
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class Google():
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def __init__(self, calendar_id, *, credentials, token_file):
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_, credentials_file = tempfile.mkstemp()
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with open(credentials_file, 'w') as fp:
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json.dump(credentials, fp)
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self.calendar_id = calendar_id
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self.credentials_file = credentials_file
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self.token_file = token_file
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self.credentials = None
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def login(self):
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if os.path.exists(self.token_file):
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self.credentials = Credentials.from_authorized_user_file(self.token_file, SCOPES)
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if self.credentials is None or not self.credentials.valid:
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if self.credentials is not None \
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and self.credentials.expired \
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and self.credentials.refresh_token:
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self.credentials.refresh(Request())
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else:
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flow = InstalledAppFlow.from_client_secrets_file(
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self.credentials_file,
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SCOPES,
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)
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self.credentials = flow.run_local_server(port=0)
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with open(self.token_file, 'w') as token:
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token.write(self.credentials.to_json())
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def get_events(self, start: datetime.datetime | None=None, until: datetime.timedelta | None=None, limit=None):
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until = until if until else datetime.timedelta(days=365)
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now = start if start else datetime.datetime.utcnow().astimezone()
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now_365 = now + until
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try:
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service = build('calendar', 'v3', credentials=self.credentials)
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events = service.events().list(
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calendarId=self.calendar_id,
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timeMin=now.isoformat(),
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timeMax=now_365.isoformat(),
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maxResults=limit,
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).execute()
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except HttpError:
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print('an error occured')
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raise
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events = events.get('items', [])
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return events
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