utils.py 文件源码

def ResourceUUID(value, creator):
    if isinstance(value, uuid.UUID):
        return value
    if '/' in value:
        raise ValueError("'/' is not supported in resource id")
    try:
        return uuid.UUID(value)
    except ValueError:
        if len(value) <= 255:
            if creator is None:
                creator = "\x00"
            # value/creator must be str (unicode) in Python 3 and str (bytes)
            # in Python 2. It's not logical, I know.
            if six.PY2:
                value = value.encode('utf-8')
                creator = creator.encode('utf-8')
            return uuid.uuid5(RESOURCE_ID_NAMESPACE,
                              value + "\x00" + creator)
        raise ValueError(
            'transformable resource id >255 max allowed characters')