prepare.py 文件源码

def _create_base_aws_cli_config_files_if_needed(google_config):
    def touch(fname, mode=0o600):
        flags = os.O_CREAT | os.O_APPEND
        with os.fdopen(os.open(fname, flags, mode)) as f:
            try:
                os.utime(fname, None)
            finally:
                f.close()

    aws_config_root = os.path.dirname(google_config.aws_config_location)

    if not os.path.exists(aws_config_root):
        os.mkdir(aws_config_root, 0o700)

    if not os.path.exists(google_config.aws_credentials_location):
        touch(google_config.aws_credentials_location)

    aws_credentials_root = os.path.dirname(google_config.aws_credentials_location)

    if not os.path.exists(aws_credentials_root):
        os.mkdir(aws_credentials_root, 0o700)

    if not os.path.exists(google_config.aws_config_location):
        touch(google_config.aws_config_location)