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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="X-UA-Compatible" content="IE=Edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>36.8. tty — Terminal control functions — Python 2.7.16 documentation</title> <link rel="stylesheet" href="../_static/classic.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/underscore.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <script type="text/javascript" src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python 2.7.16 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="index" title="Index" href="../genindex.html" /> <link rel="search" title="Search" href="../search.html" /> <link rel="copyright" title="Copyright" href="../copyright.html" /> <link rel="next" title="36.9. pty — Pseudo-terminal utilities" href="pty.html" /> <link rel="prev" title="36.7. termios — POSIX style tty control" href="termios.html" /> <link rel="shortcut icon" type="image/png" href="../_static/py.png" /> <link rel="canonical" href="https://docs.python.org/2/library/tty.html" /> <script type="text/javascript" src="../_static/copybutton.js"></script> </head><body> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="pty.html" title="36.9. pty — Pseudo-terminal utilities" accesskey="N">next</a> |</li> <li class="right" > <a href="termios.html" title="36.7. termios — POSIX style tty control" accesskey="P">previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="https://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.16 documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> <li class="nav-item nav-item-2"><a href="unix.html" accesskey="U">36. Unix Specific Services</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <div class="section" id="module-tty"> <span id="tty-terminal-control-functions"></span><h1>36.8. <a class="reference internal" href="#module-tty" title="tty: Utility functions that perform common terminal control operations. (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">tty</span></code></a> — Terminal control functions<a class="headerlink" href="#module-tty" title="Permalink to this headline">¶</a></h1> <p>The <a class="reference internal" href="#module-tty" title="tty: Utility functions that perform common terminal control operations. (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">tty</span></code></a> module defines functions for putting the tty into cbreak and raw modes.</p> <p>Because it requires the <a class="reference internal" href="termios.html#module-termios" title="termios: POSIX style tty control. (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">termios</span></code></a> module, it will work only on Unix.</p> <p>The <a class="reference internal" href="#module-tty" title="tty: Utility functions that perform common terminal control operations. (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">tty</span></code></a> module defines the following functions:</p> <dl class="function"> <dt id="tty.setraw"> <code class="descclassname">tty.</code><code class="descname">setraw</code><span class="sig-paren">(</span><em>fd</em><span class="optional">[</span>, <em>when</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#tty.setraw" title="Permalink to this definition">¶</a></dt> <dd><p>Change the mode of the file descriptor <em>fd</em> to raw. If <em>when</em> is omitted, it defaults to <code class="xref py py-const docutils literal notranslate"><span class="pre">termios.TCSAFLUSH</span></code>, and is passed to <a class="reference internal" href="termios.html#termios.tcsetattr" title="termios.tcsetattr"><code class="xref py py-func docutils literal notranslate"><span class="pre">termios.tcsetattr()</span></code></a>.</p> </dd></dl> <dl class="function"> <dt id="tty.setcbreak"> <code class="descclassname">tty.</code><code class="descname">setcbreak</code><span class="sig-paren">(</span><em>fd</em><span class="optional">[</span>, <em>when</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#tty.setcbreak" title="Permalink to this definition">¶</a></dt> <dd><p>Change the mode of file descriptor <em>fd</em> to cbreak. If <em>when</em> is omitted, it defaults to <code class="xref py py-const docutils literal notranslate"><span class="pre">termios.TCSAFLUSH</span></code>, and is passed to <a class="reference internal" href="termios.html#termios.tcsetattr" title="termios.tcsetattr"><code class="xref py py-func docutils literal notranslate"><span class="pre">termios.tcsetattr()</span></code></a>.</p> </dd></dl> <div class="admonition seealso"> <p class="first admonition-title">See also</p> <dl class="last docutils"> <dt>Module <a class="reference internal" href="termios.html#module-termios" title="termios: POSIX style tty control. (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">termios</span></code></a></dt> <dd>Low-level terminal control interface.</dd> </dl> </div> </div> </div> </div> </div> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="termios.html" title="previous chapter">36.7. <code class="docutils literal notranslate"><span class="pre">termios</span></code> — POSIX style tty control</a></p> <h4>Next topic</h4> <p class="topless"><a href="pty.html" title="next chapter">36.9. <code class="docutils literal notranslate"><span class="pre">pty</span></code> — Pseudo-terminal utilities</a></p> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../_sources/library/tty.rst.txt" rel="nofollow">Show Source</a></li> </ul> </div> <div id="searchbox" style="display: none" role="search"> <h3>Quick search</h3> <div class="searchformwrapper"> <form class="search" action="../search.html" method="get"> <input type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="pty.html" title="36.9. pty — Pseudo-terminal utilities" >next</a> |</li> <li class="right" > <a href="termios.html" title="36.7. termios — POSIX style tty control" >previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="https://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.16 documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> <li class="nav-item nav-item-2"><a href="unix.html" >36. 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