Source code for tty

"""Terminal utilities."""

# Author: Steen Lumholt.

from termios import *

__all__ = ["setraw", "setcbreak"]

# Indexes for termios list.
IFLAG = 0
OFLAG = 1
CFLAG = 2
LFLAG = 3
ISPEED = 4
OSPEED = 5
CC = 6

[docs]def setraw(fd, when=TCSAFLUSH): """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)
[docs]def setcbreak(fd, when=TCSAFLUSH): """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)