tty.py revision 23cb2a83a5e709761e8f649371a935f7b676ea10 
1# tty.py -- Terminal utilities.
2# Author: Steen Lumholt.
3
4from TERMIOS import *
5from termios import *
6
7# Indexes for termios list.
8IFLAG = 0
9OFLAG = 1
10CFLAG = 2
11LFLAG = 3
12ISPEED = 4
13OSPEED = 5
14CC = 6
15
16# Put terminal into a raw mode.
17def setraw(fd, when=TCSAFLUSH):
18	mode = tcgetattr(fd)
19	mode[IFLAG] = mode[IFLAG] & ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON)
20	mode[OFLAG] = mode[OFLAG] & ~(OPOST)
21	mode[CFLAG] = mode[CFLAG] & ~(CSIZE | PARENB)
22	mode[CFLAG] = mode[CFLAG] | CS8
23	mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON | IEXTEN | ISIG)
24	mode[CC][VMIN] = 1
25	mode[CC][VTIME] = 0
26	tcsetattr(fd, when, mode)
27
28# Put terminal into a cbreak mode.
29def setcbreak(fd, when=TCSAFLUSH):
30	mode = tcgetattr(fd)
31	mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON)
32	mode[CC][VMIN] = 1
33	mode[CC][VTIME] = 0
34	tcsetattr(fd, when, mode)
35
36