google_drive_auth.py

from google.oauth2.credentials import Credentials
from google_auth_oauthlib.flow import InstalledAppFlow
from googleapiclient.discovery import build



SCOPES = ['https://www.googleapis.com/auth/drive']

def authenticate_google_drive():
    flow = InstalledAppFlow.from_client_secrets_file('client_secrets.json', SCOPES)
    creds = flow.run_local_server(port=0)
    service = build('drive', 'v3', credentials=creds)
    return service