depot_index.py 文件源码

def start(self):
                """Start the background task thread. Since we configure
                mod_wsgi with an inactivity-timeout, long-running background
                tasks which don't cause new WSGI HTTP requests can
                result in us hitting that inactivity-timeout. To prevent this,
                while background tasks are running, we periodically send a HTTP
                request to the server."""
                self.__running = True
                if not self.__thread:
                        # Create and start a thread for the caller.
                        self.__thread = threading.Thread(target=self.run)
                        self.__thread.start()

                        self.__keep_busy_thread = threading.Thread(
                            target=self.run_keep_busy)
                        self.__keep_busy_thread.start()