Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/tty.py: 44%

1"""Terminal utilities.""" 

2 

3# Author: Steen Lumholt. 

4 

5from termios import * 

6 

7__all__ = ["setraw", "setcbreak"] 

8 

9# Indexes for termios list. 

10IFLAG = 0 

11OFLAG = 1 

12CFLAG = 2 

13LFLAG = 3 

14ISPEED = 4 

15OSPEED = 5 

16CC = 6 

17 

18def 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 

30def 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)