__init__.py 文件源码

def __init__(self, oobj=None):
        if oobj is None:
            oobj = pythoncom.new(self.CLSID)
        elif isinstance(oobj, DispatchBaseClass):
            try:
                oobj = oobj._oleobj_.QueryInterface(self.CLSID, pythoncom.IID_IDispatch) # Must be a valid COM instance
            except pythoncom.com_error as details:
                import winerror
                # Some stupid objects fail here, even tho it is _already_ IDispatch!!??
                # Eg, Lotus notes.
                # So just let it use the existing object if E_NOINTERFACE
                if details.hresult != winerror.E_NOINTERFACE:
                    raise
                oobj = oobj._oleobj_
        self.__dict__["_oleobj_"] = oobj # so we dont call __setattr__
    # Provide a prettier name than the CLSID