parser.py 文件源码

def Id(v):
    """Coerce to either a hex UUID, a 2-digit hex value."""
    # Yes, we actually do want this function to raise ValueErrors instead of
    # GadgetSpecificationErrors.
    try:
        return UUID(hex=v)
    except ValueError:
        pass
    mo = re.match('^[a-fA-F0-9]{2}$', v)
    if mo is None:
        raise ValueError(v)
    return mo.group(0).upper()