def on_cleanup_error(function, path, excinfo):
                click.secho("warning: failed to remove file or directory: {}\n"
                            "please delete it manually.".format(path),
                            fg="red")
def __init__(self):
        self.stdin_path = '/dev/null'
        self.stdout_path = settings.LOG_PATH + '/webapp.log'
        self.stderr_path = settings.LOG_PATH + '/webapp.log'
        self.pidfile_path = settings.PID_PATH + '/webapp.pid'
        self.pidfile_timeout = 5