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:mod:`tty` --- Terminal control functions
=========================================
.. module:: tty
:platform: Unix
:synopsis: Utility functions that perform common terminal control operations.
.. moduleauthor:: Steen Lumholt
.. sectionauthor:: Moshe Zadka <moshez@zadka.site.co.il>
**Source code:** :source:`Lib/tty.py`
--------------
The :mod:`tty` module defines functions for putting the tty into cbreak and raw
modes.
Because it requires the :mod:`termios` module, it will work only on Unix.
The :mod:`tty` module defines the following functions:
.. function:: cfmakeraw(mode)
Convert the tty attribute list *mode*, which is a list like the one returned
by :func:`termios.tcgetattr`, to that of a tty in raw mode.
.. versionadded:: 3.12
.. function:: cfmakecbreak(mode)
Convert the tty attribute list *mode*, which is a list like the one returned
by :func:`termios.tcgetattr`, to that of a tty in cbreak mode.
.. versionadded:: 3.12
.. function:: setraw(fd, when=termios.TCSAFLUSH)
Change the mode of the file descriptor *fd* to raw. If *when* is omitted, it
defaults to :const:`termios.TCSAFLUSH`, and is passed to
:func:`termios.tcsetattr`. The return value of :func:`termios.tcgetattr`
is saved before setting *fd* to raw mode; this value is returned.
.. versionchanged:: 3.12
The return value is now the original tty attributes, instead of None.
.. function:: setcbreak(fd, when=termios.TCSAFLUSH)
Change the mode of file descriptor *fd* to cbreak. If *when* is omitted, it
defaults to :const:`termios.TCSAFLUSH`, and is passed to
:func:`termios.tcsetattr`. The return value of :func:`termios.tcgetattr`
is saved before setting *fd* to cbreak mode; this value is returned.
.. versionchanged:: 3.12
The return value is now the original tty attributes, instead of None.
.. seealso::
Module :mod:`termios`
Low-level terminal control interface.
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