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pythonでキー入力を検出する(tty)

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前回termiosを使って同じことをしたんだけど、ttyでもやってみた。
[前回]http://qiita.com/tortuepin/items/9ede6ca603ddc74f91ba

import sys
import termios
import tty

#標準入力のファイルディスクプリタを取得
fd = sys.stdin.fileno()

#fdの端末属性をゲットする
old = termios.tcgetattr(fd)

try:
    #標準入力のモードを切り替える
    #cbreakとrawのどっちもエンターいらなくなるけど、rawはctrl-cとかもきかなくなる??
    tty.setcbreak(sys.stdin.fileno())
    #tty.setraw(sys.stdin.fileno())
    ch = sys.stdin.read(1)
    
finally:
    # fdの属性を元に戻す
    termios.tcsetattr(fd, termios.TCSANOW, old)

print(ch)

こっちのほうが前回よりも自由度は低いけど簡単です。

cbreakとrawの違い

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