def tick(self):
        """Do the regular cache maintenance.

        Must be called from time to time for timeouts and cache old items
        purging to work."""
        self._lock.acquire()
        try:
            for cache in self._caches.values():
                cache.tick()
        finally:
            self._lock.release()
def tick(self):
        """Do the regular cache maintenance.

        Must be called from time to time for timeouts and cache old items
        purging to work."""
        self._lock.acquire()
        try:
            for cache in self._caches.values():
                cache.tick()
        finally:
            self._lock.release()
def tick ( self ) : self . _lock . acquire ( ) try : for cache in self . _caches . values ( ) : cache . tick ( ) finally : self . _lock . release ( )
Do the regular cache maintenance.

        Must be called from time to time for timeouts and cache old items
        purging to work.
Do the regular cache maintenance .