@staticmethod
def parse(wmsg):
    '\n      Verifies and parses an unserialized raw message into an actual WAMP message instance.\n\n      :param wmsg: The unserialized raw message.\n      :type wmsg: list\n\n      :returns: An instance of this class.\n      '
    assert ((len(wmsg) > 0) and (wmsg[0] == Cancel.MESSAGE_TYPE))
    if (len(wmsg) != 3):
        raise ProtocolError('invalid message length {0} for CANCEL'.format(len(wmsg)))
    request = check_or_raise_id(wmsg[1], "'request' in CANCEL")
    options = check_or_raise_extra(wmsg[2], "'options' in CANCEL")
    mode = None
    if (u'mode' in options):
        option_mode = options[u'mode']
        if (type(option_mode) != six.text_type):
            raise ProtocolError("invalid type {0} for 'mode' option in CANCEL".format(type(option_mode)))
        if (option_mode not in [Cancel.SKIP, Cancel.ABORT, Cancel.KILL]):
            raise ProtocolError("invalid value '{0}' for 'mode' option in CANCEL".format(option_mode))
        mode = option_mode
    obj = Cancel(request, mode=mode)
    return obj
Verifies and parses an unserialized raw message into an actual WAMP message instance.

:param wmsg: The unserialized raw message.
:type wmsg: list

:returns: An instance of this class.
@staticmethod
def parse(wmsg):
    '\n      Verifies and parses an unserialized raw message into an actual WAMP message instance.\n\n      :param wmsg: The unserialized raw message.\n      :type wmsg: list\n\n      :returns: An instance of this class.\n      '
    assert ((len(wmsg) > 0) and (wmsg[0] == Cancel.MESSAGE_TYPE))
    if (len(wmsg) != 3):
        raise ProtocolError('invalid message length {0} for CANCEL'.format(len(wmsg)))
    request = check_or_raise_id(wmsg[1], "'request' in CANCEL")
    options = check_or_raise_extra(wmsg[2], "'options' in CANCEL")
    mode = None
    if (u'mode' in options):
        option_mode = options[u'mode']
        if (type(option_mode) != six.text_type):
            raise ProtocolError("invalid type {0} for 'mode' option in CANCEL".format(type(option_mode)))
        if (option_mode not in [Cancel.SKIP, Cancel.ABORT, Cancel.KILL]):
            raise ProtocolError("invalid value '{0}' for 'mode' option in CANCEL".format(option_mode))
        mode = option_mode
    obj = Cancel(request, mode=mode)
    return obj