dynamic.py 文件源码

def _get_good_single_object_(self,ob,userName = None, ReturnCLSID=None):
        if isinstance(ob, PyIDispatchType):
            # make a new instance of (probably this) class.
            return self._wrap_dispatch_(ob, userName, ReturnCLSID)
        if isinstance(ob, PyIUnknownType):
            try:
                ob = ob.QueryInterface(pythoncom.IID_IDispatch)
            except pythoncom.com_error:
                # It is an IUnknown, but not an IDispatch, so just let it through.
                return ob
            return self._wrap_dispatch_(ob, userName, ReturnCLSID)
        return ob