Library
ProgressPrinter
ProgressPrinter.increment()
ProgressPrinter.set()
ProgressPrinter.setLabel()
TTXParseError
TTXParseError.args
TTXParseError.with_traceback()
XMLReader
XMLReader.close()
XMLReader.read()
Exception.with_traceback(tb) – set self.__traceback__ to tb and return self.