def get_text(self, text):
        """
        Get value of entity

        :param text: full text
        :return: part of text
        """
        if sys.maxunicode == 0xffff:
            return text[self.offset:self.offset + self.length]

        if not isinstance(text, bytes):
            entity_text = text.encode('utf-16-le')
        else:
            entity_text = text

        entity_text = entity_text[self.offset * 2:(self.offset + self.length) * 2]
        return entity_text.decode('utf-16-le')
Get value of entity

        :param text: full text
        :return: part of text