__init__.py 文件源码

def _gc(self):
        """Remove disconnected websocket handlers."""

        for directory in self.handlers.keys():
            handlers = [(pattern, handler, impl)
                        for pattern, handler, impl in self.handlers[directory]
                        if handler.active()]

            _LOGGER.info('Number of active handlers for %s: %s',
                         directory, len(handlers))

            if not handlers:
                _LOGGER.info('No active handlers for %s', directory)
                self.handlers.pop(directory, None)
                if directory not in self.watch_dirs:
                    # Watch is not permanent, remove dir from watcher.
                    self.watcher.remove_dir(directory)
            else:
                self.handlers[directory] = handlers