I am able to get and list assets using googleapiclient and oauth2client,but when I try to add one, I get 403:
googleapiclient.errors.HttpError: <HttpError 403 when requesting https://www.googleapis.com/youtube/partner/v1/assets?alt=json returned "Forbidden". Details: "[{'message': 'Forbidden', 'domain': 'global', 'reason': 'forbidden'}]">