resource.py 文件源码

def getPort(self, name):
        """The default behavior of getPort() will automatically
        return ports as defined by 'usesport' and 'providesport'
        static class attributes."""
        self._log.trace("getPort(%s)", name)
        try:
            portdef = self.__ports[name]
        except KeyError:
            self._log.warning("getPort() could not find port %s", name)
            raise CF.PortSupplier.UnknownPort()
        else:
            portobj = portdef.__get__(self)
            if portobj == None:
                self._log.warning("component did not implement port %s",name)
                raise CF.PortSupplier.UnknownPort()
            port = portobj._this()
            if not portdef.isValid(port):
                self._log.warning("getPort() for %s did match required repid", name)
            self._log.trace("getPort() --> %s", port)
            return port