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920dae64 AT |
1 | """Terminal utilities.""" |
2 | ||
3 | # Author: Steen Lumholt. | |
4 | ||
5 | from termios import * | |
6 | ||
7 | __all__ = ["setraw", "setcbreak"] | |
8 | ||
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 | |
17 | ||
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) | |
29 | ||
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) |