Stackoverflow #55345991

adminsdk.py

from googleapiclient.discovery import build
from oauth2client.service_account import ServiceAccountCredentials

SERVICE_ACCOUNT_EMAIL = '[[ROBOT]]@[[PROJECT]].iam.gserviceaccount.com'
SERVICE_ACCOUNT_FILE_PATH = './credentials.json'
USER_EMAIL = 'user@domain.com'

def main():
    credentials = ServiceAccountCredentials.from_json_keyfile_name(
        SERVICE_ACCOUNT_FILE_PATH,
        scopes=['https://www.googleapis.com/auth/admin.directory.user']
    )

    credentials = credentials.create_delegated(USER_EMAIL)

    service = build('admin', 'directory_v1', credentials=credentials)

    print('Getting the first 10 users in the domain')
    results = service.users().list(customer='my_customer', maxResults=10,
                                orderBy='email').execute()
    users = results.get('users', [])

    if not users:
        print('No users in the domain.')
    else:
        print('Users:')
        for user in users:
            print(u'{0} ({1})'.format(user['primaryEmail'],
                user['name']['fullName']))


if __name__ == '__main__':
    main()