Shell Programming and Scripting

#!/usr/bin/env python
import select
import termios
import tty
import sys
import datetime
import os

class mylocontrol(object):
    def __init__(self):
        self.checkkeys()

    def showcontent(self,content):
        if content == "1":
            os.system("/usr/bin/amidi -p hw:1,0,0  -s /work/MIDI/d50_00.syx") 
        elif content == "2":
            os.system("/usr/bin/amidi -p hw:1,0,0  -s /work/MIDI/PND50-02.syx")
        
    def getkey(self):
        old_settings = termios.tcgetattr(sys.stdin)
        tty.setraw(sys.stdin.fileno())
        select.select([sys.stdin], [], [], 0)
        answer = sys.stdin.read(1)
        termios.tcsetattr(sys.stdin, termios.TCSADRAIN, old_settings)
        return answer

    def checkkeys(self):
        while True:
            answer=self.getkey()
            if "|" in answer:
                break
            else:
                ret = self.showcontent(answer)

mylo = mylocontrol()