noncanon_input.py 文件源码

def getbyt(self):
        res = None
        if len(self.buf)>0:
            res = self.buf[0]
            self.buf = self.buf[1:]
        elif self.posix:
            nw = sys.stdin.read(32)
            if len(nw)>0:
                self.buf = nw[1:]
                res = nw[0]
        else:
            if msvcrt.kbhit():
                res = msvcrt.getch()
        return res