def _parse_csv_item_opts(entry):
    """Parse the _opts field in a SB Extended CSV item."""
    # Accepting even slightly weirdly formatted entries:
    entry = entry.strip()
    if len(entry) == 0:
        return {}
    opts = {}
    for opt in entry.split(" "):
        opt_name, opt_val = opt.split(":")
        opts[opt_name] = opt_val
    return opts