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v0.5.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision 74311aeb45b52cc145d27d9fca99f01874d6882d authored by Soumendra Ganguly on 28 November 2020, 21:04:20 UTC, committed by GitHub on 28 November 2020, 21:04:20 UTC 
bpo-41818: Fix test_master_read() so that it succeeds on all platforms that either raise OSError or return b"" upon reading from master (GH-23536)
 
Signed-off-by: Soumendra Ganguly <soumendraganguly@gmail.com>
1 parent aa1b8a1
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Tip revision: 74311aeb45b52cc145d27d9fca99f01874d6882d authored by Soumendra Ganguly on 28 November 2020, 21:04:20 UTC
bpo-41818: Fix test_master_read() so that it succeeds on all platforms that either raise OSError or return b"" upon reading from master (GH-23536)
Tip revision: 74311ae
tty.py 
"""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

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)

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)
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