| 1 | n/a | """Terminal utilities.""" |
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| 2 | n/a | |
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| 3 | n/a | # Author: Steen Lumholt. |
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| 4 | n/a | |
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| 5 | n/a | from termios import * |
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| 6 | n/a | |
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| 7 | n/a | __all__ = ["setraw", "setcbreak"] |
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| 8 | n/a | |
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| 9 | n/a | # Indexes for termios list. |
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| 10 | n/a | IFLAG = 0 |
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| 11 | n/a | OFLAG = 1 |
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| 12 | n/a | CFLAG = 2 |
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| 13 | n/a | LFLAG = 3 |
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| 14 | n/a | ISPEED = 4 |
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| 15 | n/a | OSPEED = 5 |
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| 16 | n/a | CC = 6 |
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| 17 | n/a | |
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| 18 | n/a | def setraw(fd, when=TCSAFLUSH): |
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| 19 | n/a | """Put terminal into a raw mode.""" |
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| 20 | n/a | mode = tcgetattr(fd) |
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| 21 | n/a | mode[IFLAG] = mode[IFLAG] & ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON) |
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| 22 | n/a | mode[OFLAG] = mode[OFLAG] & ~(OPOST) |
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| 23 | n/a | mode[CFLAG] = mode[CFLAG] & ~(CSIZE | PARENB) |
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| 24 | n/a | mode[CFLAG] = mode[CFLAG] | CS8 |
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| 25 | n/a | mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON | IEXTEN | ISIG) |
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| 26 | n/a | mode[CC][VMIN] = 1 |
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| 27 | n/a | mode[CC][VTIME] = 0 |
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| 28 | n/a | tcsetattr(fd, when, mode) |
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| 29 | n/a | |
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| 30 | n/a | def setcbreak(fd, when=TCSAFLUSH): |
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| 31 | n/a | """Put terminal into a cbreak mode.""" |
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| 32 | n/a | mode = tcgetattr(fd) |
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| 33 | n/a | mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON) |
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| 34 | n/a | mode[CC][VMIN] = 1 |
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| 35 | n/a | mode[CC][VTIME] = 0 |
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| 36 | n/a | tcsetattr(fd, when, mode) |
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