Manual py3k backport: [svn r74158] Issue #6218: Make io.BytesIO and io.StringIO pickl...
[python.git] / Lib / tty.py
bloba72eb6755450bb07d9bb77fb9cdc3cf2f0148534
1 """Terminal utilities."""
3 # Author: Steen Lumholt.
5 from termios import *
7 __all__ = ["setraw", "setcbreak"]
9 # Indexes for termios list.
10 IFLAG = 0
11 OFLAG = 1
12 CFLAG = 2
13 LFLAG = 3
14 ISPEED = 4
15 OSPEED = 5
16 CC = 6
18 def setraw(fd, when=TCSAFLUSH):
19 """Put terminal into a raw mode."""
20 mode = tcgetattr(fd)
21 mode[IFLAG] = mode[IFLAG] & ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON)
22 mode[OFLAG] = mode[OFLAG] & ~(OPOST)
23 mode[CFLAG] = mode[CFLAG] & ~(CSIZE | PARENB)
24 mode[CFLAG] = mode[CFLAG] | CS8
25 mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON | IEXTEN | ISIG)
26 mode[CC][VMIN] = 1
27 mode[CC][VTIME] = 0
28 tcsetattr(fd, when, mode)
30 def setcbreak(fd, when=TCSAFLUSH):
31 """Put terminal into a cbreak mode."""
32 mode = tcgetattr(fd)
33 mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON)
34 mode[CC][VMIN] = 1
35 mode[CC][VTIME] = 0
36 tcsetattr(fd, when, mode)