tty.py 879 Bytes
Newer Older
1 2
"""Terminal utilities."""

3 4 5 6
# Author: Steen Lumholt.

from termios import *

7 8
__all__ = ["setraw", "setcbreak"]

Tim Peters's avatar
Tim Peters committed
9
# Indexes for termios list.
10 11 12 13 14 15 16 17 18
IFLAG = 0
OFLAG = 1
CFLAG = 2
LFLAG = 3
ISPEED = 4
OSPEED = 5
CC = 6

def setraw(fd, when=TCSAFLUSH):
Tim Peters's avatar
Tim Peters committed
19 20 21 22 23 24 25 26 27 28
    """Put terminal into a raw mode."""
    mode = tcgetattr(fd)
    mode[IFLAG] = mode[IFLAG] & ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON)
    mode[OFLAG] = mode[OFLAG] & ~(OPOST)
    mode[CFLAG] = mode[CFLAG] & ~(CSIZE | PARENB)
    mode[CFLAG] = mode[CFLAG] | CS8
    mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON | IEXTEN | ISIG)
    mode[CC][VMIN] = 1
    mode[CC][VTIME] = 0
    tcsetattr(fd, when, mode)
29 30

def setcbreak(fd, when=TCSAFLUSH):
Tim Peters's avatar
Tim Peters committed
31 32 33 34 35 36
    """Put terminal into a cbreak mode."""
    mode = tcgetattr(fd)
    mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON)
    mode[CC][VMIN] = 1
    mode[CC][VTIME] = 0
    tcsetattr(fd, when, mode)