def getProperties(self):
        """ Return the list of namespaces to which belongs the direct childs of element"""
        props=[]
        for child in self.getChildren():
            prop=child.getNamespace()
            if prop not in props: props.append(prop)
        return props
 Return the list of namespaces to which belongs the direct childs of element
chrome-cordova/gcmServer/xmpp/protocol.py