python - python sys.stdin（）无需按回车键(python sys.stdin() without pressing enter)

Question

I need to have my program ask the user to enter a letter for it to continue in one direction or the other (I'm making a state machine), but my terminal only registers the answer if the user presses "enter" after entering the letter.

(我需要让我的程序要求用户输入一个字母，以便它在一个方向或另一个方向上继续（我正在制造状态机），但是如果用户在输入密码后按“ enter”（进入），则终端仅注册答案。信件。)

From what I was able to find, I need to be either in raw mode or in cbreak mode to remedy this problem, but no matter what I do I can't seem to find a functionning solution.

(根据我的发现，我需要处于原始模式或cbreak模式才能解决此问题，但是无论我做什么，我似乎都找不到一个可行的解决方案。)

Right now, as a functionning code I have that but it does ask for the user to press "enter".

(现在，作为功能代码，我已经知道了，但是它确实要求用户按下“输入”。)

def interact():  

    global NextState

    while isData() == False :
        isData()

    isData()
    #si une touche est appuyee
    if isData():
        c = sys.stdin.read(1)
        if c == 'a': 
            NextState = 1
        elif c=='b' :
            NextState = 2
        else:
             showH()
             showTxt("Wrong input, please enter 'a' or 'b'")
             interact()
    return


def isData():


    return select.select([sys.stdin], [], [], 0) == ([sys.stdin], [], [])

And also, I can't seem to get my code out of the cbreak mode or raw mode when I actually do something that gets closer to working.

(而且，当我实际上做一些接近工作的事情时，我似乎无法使代码脱离cbreak模式或原始模式。)

If you could help me solve that problem without changing too much of the code (so that I don't get lost since I'm new at coding), it would really help me.

(如果您可以在不更改太多代码的情况下帮助我解决该问题（以免我因为编码方面的新手而不会迷路），那么它将对我有帮助。)

  ask by Dat_Bucket translate from so

Answer 1

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