code: def setNsProp(self, node, name, value):
          
          if node is None: node__o = None
          else: node__o = node._o
          ret = libxml2mod.xmlSetNsProp(node__o, self._o, name, value)
          if ret is None:raise treeError('xmlSetNsProp() failed')
          __tmp = xmlAttr(_obj=ret)
          return __tmp
docs: Set (or reset) an attribute carried by a node. The ns
             structure must be in scope, this is not checked