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authorDevtools Arcadia <arcadia-devtools@yandex-team.ru>2022-02-07 18:08:42 +0300
committerDevtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net>2022-02-07 18:08:42 +0300
commit1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch)
treee26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/tools/python3/src/Lib/tty.py
downloadydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/tools/python3/src/Lib/tty.py')
-rw-r--r--contrib/tools/python3/src/Lib/tty.py36
1 files changed, 36 insertions, 0 deletions
diff --git a/contrib/tools/python3/src/Lib/tty.py b/contrib/tools/python3/src/Lib/tty.py
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+++ b/contrib/tools/python3/src/Lib/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)