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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def parse_xml_node(self, node):
        '''Parse an xml.dom Node object representing a configuration data into
        this object.

        '''
        self.name = node.getAttributeNS(RTS_NS, 'name')
        if node.hasAttributeNS(RTS_NS, 'data'):
            self.data = node.getAttributeNS(RTS_NS, 'data')
        else:
            self.data = ''
        return self