tarsnap.py 文件源码

def runTarsnap(args, timeout = None):
    command = [config.tarsnap_bin] + config.tarsnap_extra_args + args
    proc = subprocess.Popen(command,
                stdout = subprocess.PIPE, stderr = subprocess.PIPE,
                stdin = subprocess.DEVNULL, universal_newlines = True)
    result = CheapoCompletedProcess()
    try:
        result.stdout, result.stderr = proc.communicate(timeout = timeout)
        result.returncode = proc.wait()
        if result.returncode:
            sys.exit("Error running tarsnap:\nCommand: {}\nSTDOUT:\n{}\nSTDERR:\n{}\n".format(" ".join(command),result.stdout,result.stderr))
        return result
    except subprocess.TimeoutExpired:
        print("Tarsnap timed out, sending SIGQUIT...")
        proc.send_signal(signal.SIGQUIT)
        result.stdout, result.stderr = proc.communicate()
        result.returncode = proc.wait()
        print("Tarsnap finished")
        if result.returncode:
            sys.exit("Error running tarsnap:\nCommand: {}\nSTDOUT:\n{}\nSTDERR:\n{}\n".format(" ".join(command),result.stdout,result.stderr))
        return result