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  182.   <section id="module-nis">

  183. <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="Link to this heading">¶</a></h1>

  184. <div class="deprecated-removed">

  185. <p><span class="versionmodified">Deprecated since version 3.11, will be removed in version 3.13: </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

  186. (see <span class="target" id="index-0"></span><a class="pep reference external" href="https://peps.python.org/pep-0594/#nis"><strong>PEP 594</strong></a> for details).</p>

  187. </div>

  188. <hr class="docutils" />

  189. <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

  190. central administration of several hosts.</p>

  191. <p>Because NIS exists only on Unix systems, this module is only available for Unix.</p>

  192. <div class="availability docutils container">

  193. <p><a class="reference internal" href="intro.html#availability"><span class="std std-ref">Availability</span></a>: not Emscripten, not WASI.</p>

  194. <p>This module does not work or is not available on WebAssembly platforms

  195. <code class="docutils literal notranslate"><span class="pre">wasm32-emscripten</span></code> and <code class="docutils literal notranslate"><span class="pre">wasm32-wasi</span></code>. See

  196. <a class="reference internal" href="intro.html#wasm-availability"><span class="std std-ref">WebAssembly platforms</span></a> for more information.</p>

  197. </div>

  198. <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>

  199. <dl class="py function">

  200. <dt class="sig sig-object py" id="nis.match">

  201. <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="Link to this definition">¶</a></dt>

  202. <dd><p>Return the match for <em>key</em> in map <em>mapname</em>, or raise an error

  203. (<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

  204. clean. Return value is an arbitrary array of bytes (may contain <code class="docutils literal notranslate"><span class="pre">NULL</span></code> and

  205. other joys).</p>

  206. <p>Note that <em>mapname</em> is first checked if it is an alias to another name.</p>

  207. <p>The <em>domain</em> argument allows overriding the NIS domain used for the lookup. If

  208. unspecified, lookup is in the default NIS domain.</p>

  209. </dd></dl>

  210. 

  211. <dl class="py function">

  212. <dt class="sig sig-object py" id="nis.cat">

  213. <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="Link to this definition">¶</a></dt>

  214. <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>

  215. <span class="pre">mapname)==value</span></code>. Note that both keys and values of the dictionary are

  216. arbitrary arrays of bytes.</p>

  217. <p>Note that <em>mapname</em> is first checked if it is an alias to another name.</p>

  218. <p>The <em>domain</em> argument allows overriding the NIS domain used for the lookup. If

  219. unspecified, lookup is in the default NIS domain.</p>

  220. </dd></dl>

  221. 

  222. <dl class="py function">

  223. <dt class="sig sig-object py" id="nis.maps">

  224. <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="Link to this definition">¶</a></dt>

  225. <dd><p>Return a list of all valid maps.</p>

  226. <p>The <em>domain</em> argument allows overriding the NIS domain used for the lookup. If

  227. unspecified, lookup is in the default NIS domain.</p>

  228. </dd></dl>

  229. 

  230. <dl class="py function">

  231. <dt class="sig sig-object py" id="nis.get_default_domain">

  232. <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="Link to this definition">¶</a></dt>

  233. <dd><p>Return the system default NIS domain.</p>

  234. </dd></dl>

  235. 

  236. <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>

  237. <dl class="py exception">

  238. <dt class="sig sig-object py" id="nis.error">

  239. <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="Link to this definition">¶</a></dt>

  240. <dd><p>An error raised when a NIS function returns an error code.</p>

  241. </dd></dl>

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