def acquire(self, key):
        """Return the known information about the device and mark the record
        as being used by a segmenation state machine."""
        if _debug: DeviceInfoCache._debug("acquire %r", key)

        if isinstance(key, int):
            device_info = self.cache.get(key, None)

        elif not isinstance(key, Address):
            raise TypeError("key must be integer or an address")

        elif key.addrType not in (Address.localStationAddr, Address.remoteStationAddr):
            raise TypeError("address must be a local or remote station")

        else:
            device_info = self.cache.get(key, None)

        if device_info:
            if _debug: DeviceInfoCache._debug("    - reference bump")
            device_info._ref_count += 1

        if _debug: DeviceInfoCache._debug("    - device_info: %r", device_info)

        return device_info
def acquire ( self , key ) : if _debug : DeviceInfoCache . _debug ( "acquire %r" , key ) if isinstance ( key , int ) : device_info = self . cache . get ( key , None ) elif not isinstance ( key , Address ) : raise TypeError ( "key must be integer or an address" ) elif key . addrType not in ( Address . localStationAddr , Address . remoteStationAddr ) : raise TypeError ( "address must be a local or remote station" ) else : device_info = self . cache . get ( key , None ) if device_info : if _debug : DeviceInfoCache . _debug ( "    - reference bump" ) device_info . _ref_count += 1 if _debug : DeviceInfoCache . _debug ( "    - device_info: %r" , device_info ) return device_info
Return the known information about the device and mark the record
        as being used by a segmenation state machine.