Integration between PyDrive and Flask-Dance

pydrive-dance.py

oauth_token = session['google_oauth_token']
from oauth2client.client import OAuth2Credentials
from datetime import datetime
expirty_str = str(datetime.fromtimestamp(oauth_token['expires_at']))
with flask_app.app_context():
    token_data = {
        'access_token' : oauth_token['access_token'],
        'token_expiry' : expirty_str,
        'user_agent' : 'PyDrive Automation',
        'refresh_token' : None,
        'invalid' : False,
        'client_id' : flask_app.config['GOOGLE_OAUTH_CLIENT_ID'],
        'client_secret': flask_app.config['GOOGLE_OAUTH_CLIENT_SECRET'],
        'redirect_uris': [redir_url],
        'auth_uri': 'https://accounts.google.com/o/oauth2/auth',
        'token_uri': 'https://accounts.google.com/o/oauth2/token'
    }
gauth.credentials = OAuth2Credentials.from_json(json.dumps(token_data))
logging.info("PyDrive is now authenticated")