@staticmethod
def get_node_text(node):
    """Get text from node's 'y:NodeLabel' parameter.
        Args:
            node (xml.element): Node to search within.
        Returns:
            If successfull, return text. Else, return None.
        """
    try:
        return node.getElementsByTagName('y:NodeLabel')[0].childNodes[0
            ].data.strip()
    except IndexError:
        return
