daemon.py 文件源码

def run_daemon(server, pidfile, daemonize=True):
    """Run the server as a daemon

    :param server: cutlery (a Spoon or Spork)
    :param pidfile: the file to keep the parent PID
    :param daemonize: if True fork the processes into
      a daemon.
    :return:
    """
    logger = logging.getLogger(server.server_logger)
    if daemonize:
        detach(pidfile=pidfile, logger=logger)
    elif pidfile:
        with open(pidfile, "w+") as pidf:
            pidf.write("%s\n" % os.getpid())
    try:
        server.serve_forever()
    finally:
        try:
            os.remove(pidfile)
        except OSError:
            pass