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New additions to the tty library. Functions added: cfmakeraw(), and cfmakecbreak(). The functions setcbreak() and setraw() now return original termios to save an extra tcgetattr() call. --------- Signed-off-by: Soumendra Ganguly <soumendraganguly@gmail.com> Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> Co-authored-by: Gregory P. Smith [Google LLC] <greg@krypto.org>
59 lines
1.7 KiB
ReStructuredText
59 lines
1.7 KiB
ReStructuredText
:mod:`tty` --- Terminal control functions
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=========================================
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.. module:: tty
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:platform: Unix
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:synopsis: Utility functions that perform common terminal control operations.
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.. moduleauthor:: Steen Lumholt
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.. sectionauthor:: Moshe Zadka <moshez@zadka.site.co.il>
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**Source code:** :source:`Lib/tty.py`
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--------------
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The :mod:`tty` module defines functions for putting the tty into cbreak and raw
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modes.
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Because it requires the :mod:`termios` module, it will work only on Unix.
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The :mod:`tty` module defines the following functions:
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.. function:: cfmakeraw(mode)
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Convert the tty attribute list *mode*, which is a list like the one returned
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by :func:`termios.tcgetattr`, to that of a tty in raw mode.
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.. versionadded:: 3.12
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.. function:: cfmakecbreak(mode)
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Convert the tty attribute list *mode*, which is a list like the one returned
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by :func:`termios.tcgetattr`, to that of a tty in cbreak mode.
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.. versionadded:: 3.12
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.. function:: setraw(fd, when=termios.TCSAFLUSH)
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Change the mode of the file descriptor *fd* to raw. If *when* is omitted, it
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defaults to :const:`termios.TCSAFLUSH`, and is passed to
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:func:`termios.tcsetattr`. The return value of :func:`termios.tcgetattr`
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is saved before setting *fd* to raw mode; this value is returned.
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.. function:: setcbreak(fd, when=termios.TCSAFLUSH)
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Change the mode of file descriptor *fd* to cbreak. If *when* is omitted, it
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defaults to :const:`termios.TCSAFLUSH`, and is passed to
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:func:`termios.tcsetattr`. The return value of :func:`termios.tcgetattr`
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is saved before setting *fd* to cbreak mode; this value is returned.
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.. seealso::
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Module :mod:`termios`
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Low-level terminal control interface.
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