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<section id="module-nis">
<span id="nis-interface-to-sun-s-nis-yellow-pages"></span><h1><a class="reference internal" href="#module-nis" title="nis: Interface to Sun's NIS (Yellow Pages) library. (deprecated) (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">nis</span></code></a> — Interface to Sun’s NIS (Yellow Pages)<a class="headerlink" href="#module-nis" title="Permalink to this headline">¶</a></h1>
<div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 3.11: </span>The <a class="reference internal" href="#module-nis" title="nis: Interface to Sun's NIS (Yellow Pages) library. (deprecated) (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">nis</span></code></a> module is deprecated
(see <span class="target" id="index-0"></span><a class="pep reference external" href="https://www.python.org/dev/peps/pep-0594#nis"><strong>PEP 594</strong></a> for details).</p>
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<hr class="docutils" />
<p>The <a class="reference internal" href="#module-nis" title="nis: Interface to Sun's NIS (Yellow Pages) library. (deprecated) (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">nis</span></code></a> module gives a thin wrapper around the NIS library, useful for
central administration of several hosts.</p>
<p>Because NIS exists only on Unix systems, this module is only available for Unix.</p>
<p>The <a class="reference internal" href="#module-nis" title="nis: Interface to Sun's NIS (Yellow Pages) library. (deprecated) (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">nis</span></code></a> module defines the following functions:</p>
<dl class="py function">
<dt class="sig sig-object py" id="nis.match">
<span class="sig-prename descclassname"><span class="pre">nis.</span></span><span class="sig-name descname"><span class="pre">match</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mapname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">domain</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">default_domain</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#nis.match" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the match for <em>key</em> in map <em>mapname</em>, or raise an error
(<a class="reference internal" href="#nis.error" title="nis.error"><code class="xref py py-exc docutils literal notranslate"><span class="pre">nis.error</span></code></a>) if there is none. Both should be strings, <em>key</em> is 8-bit
clean. Return value is an arbitrary array of bytes (may contain <code class="docutils literal notranslate"><span class="pre">NULL</span></code> and
other joys).</p>
<p>Note that <em>mapname</em> is first checked if it is an alias to another name.</p>
<p>The <em>domain</em> argument allows overriding the NIS domain used for the lookup. If
unspecified, lookup is in the default NIS domain.</p>
</dd></dl>
<dl class="py function">
<dt class="sig sig-object py" id="nis.cat">
<span class="sig-prename descclassname"><span class="pre">nis.</span></span><span class="sig-name descname"><span class="pre">cat</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">mapname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">domain</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">default_domain</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#nis.cat" title="Permalink to this definition">¶</a></dt>
<dd><p>Return a dictionary mapping <em>key</em> to <em>value</em> such that <code class="docutils literal notranslate"><span class="pre">match(key,</span>
<span class="pre">mapname)==value</span></code>. Note that both keys and values of the dictionary are
arbitrary arrays of bytes.</p>
<p>Note that <em>mapname</em> is first checked if it is an alias to another name.</p>
<p>The <em>domain</em> argument allows overriding the NIS domain used for the lookup. If
unspecified, lookup is in the default NIS domain.</p>
</dd></dl>
<dl class="py function">
<dt class="sig sig-object py" id="nis.maps">
<span class="sig-prename descclassname"><span class="pre">nis.</span></span><span class="sig-name descname"><span class="pre">maps</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">domain</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">default_domain</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#nis.maps" title="Permalink to this definition">¶</a></dt>
<dd><p>Return a list of all valid maps.</p>
<p>The <em>domain</em> argument allows overriding the NIS domain used for the lookup. If
unspecified, lookup is in the default NIS domain.</p>
</dd></dl>
<dl class="py function">
<dt class="sig sig-object py" id="nis.get_default_domain">
<span class="sig-prename descclassname"><span class="pre">nis.</span></span><span class="sig-name descname"><span class="pre">get_default_domain</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#nis.get_default_domain" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the system default NIS domain.</p>
</dd></dl>
<p>The <a class="reference internal" href="#module-nis" title="nis: Interface to Sun's NIS (Yellow Pages) library. (deprecated) (Unix)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">nis</span></code></a> module defines the following exception:</p>
<dl class="py exception">
<dt class="sig sig-object py" id="nis.error">
<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">nis.</span></span><span class="sig-name descname"><span class="pre">error</span></span><a class="headerlink" href="#nis.error" title="Permalink to this definition">¶</a></dt>
<dd><p>An error raised when a NIS function returns an error code.</p>
</dd></dl>
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