def __init__(self, sw, message=None):
        self._indx = 0
        MessageInterface.__init__(self, sw)
        Base.__init__(self)
        self._dom = DOM
        self.node = None
        if type(message) in (types.StringType,types.UnicodeType):
            self.loadFromString(message)
        elif isinstance(message, ElementProxy):
            self.node = message._getNode()
        else:
            self.node = message
        self.processorNss = self.standard_ns.copy()
        self.processorNss.update(self.reserved_ns)
Initialize. 
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/SOAPpy/wstools/Utility.py/ElementProxy.__init__