__init__.py 文件源码

def _ProcessJsonArg(args):
    """Get client_info and service_account_json_keyfile from args.

    This just reads args.json, and decides (based on contents) whether
    it's a client_secrets or a service_account key, and returns as
    appropriate.
    """
    filename = os.path.expanduser(args.json)
    if not filename:
        return '', ''
    with open(filename, 'rU') as f:
        try:
            contents = json.load(f)
        except ValueError:
            raise ValueError('Invalid JSON file: {}'.format(args.json))
    if contents.get('type', '') == 'service_account':
        return '', filename
    else:
        return filename, ''