Mercurial > cpython-lru_cache-weakref

annotate Lib/tty.py @ 4566:6403c94de50d legacy-trunk

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Added safeguard against failure in __del__.
author Guido van Rossum <guido@python.org>
date Wed, 27 Nov 1996 19:39:58 +0000
parents 8c9cc054c5ed
children 6f4146846337
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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8c9cc054c5ed New tty/pty modules by Steen; new urlparser.
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1 # tty.py -- Terminal utilities.
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2 # Author: Steen Lumholt.
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4 from TERMIOS import *
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5 from termios import *
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7 # Indexes for termios list.
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8 IFLAG = 0
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9 OFLAG = 1
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10 CFLAG = 2
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11 LFLAG = 3
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12 ISPEED = 4
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13 OSPEED = 5
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14 CC = 6
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16 # Put terminal into a raw mode.
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17 def setraw(fd, when=TCSAFLUSH):
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18 mode = tcgetattr(fd)
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19 mode[IFLAG] = mode[IFLAG] & ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON)
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20 mode[OFLAG] = mode[OFLAG] & ~(OPOST)
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21 mode[CFLAG] = mode[CFLAG] & ~(CSIZE | PARENB)
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22 mode[CFLAG] = mode[CFLAG] | CS8
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23 mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON | IEXTEN | ISIG)
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24 mode[CC][VMIN] = 1
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25 mode[CC][VTIME] = 0
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26 tcsetattr(fd, when, mode)
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28 # Put terminal into a cbreak mode.
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29 def setcbreak(fd, when=TCSAFLUSH):
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30 mode = tcgetattr(fd)
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31 mode[LFLAG] = mode[LFLAG] & ~(ECHO | ICANON)
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32 mode[CC][VMIN] = 1
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33 mode[CC][VTIME] = 0
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34 tcsetattr(fd, when, mode)
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