def add(self, message):
"""add a MessageElement to the queue
Strings can be passed and are automatically converted in to
item.Text()
:param message: An element to add to the message queue.
:type message: Message, MessageElement, str
"""
if self._is_stringable(message) or self._is_qstring(message):
self.message.append(Text(message))
elif isinstance(message, MessageElement):
self.message.append(message)
elif isinstance(message, Message):
self.message.extend(message.message)
else:
raise InvalidMessageItemError(message, message.__class__)
def _to_message_element(self, element):
"""
Args:
element the element to be checked and if necessary converted
Returns:
the correct element
Raises:
Errors are propagated
"""
if element is None:
return None
elif self._is_stringable(element) or self._is_qstring(element):
return Text(element)
elif isinstance(element, MessageElement):
return element
else:
raise InvalidMessageItemError(element, element.__class__)
