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python3.8
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tty.py
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"""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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