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+
+<!DOCTYPE html>
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+    <meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
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+            <div class="language_switcher_placeholder"></div>
+  <h3><a href="../contents.html">目录</a></h3>
+  <ul>
+<li><a class="reference internal" href="#">2. 在类Unix环境下使用Python</a><ul>
+<li><a class="reference internal" href="#getting-and-installing-the-latest-version-of-python">2.1. 获得并安装Python的最新版本</a><ul>
+<li><a class="reference internal" href="#on-linux">2.1.1. 在Linux中</a></li>
+<li><a class="reference internal" href="#on-freebsd-and-openbsd">2.1.2. 在FreeBSD和OpenBSD上</a></li>
+<li><a class="reference internal" href="#on-opensolaris">2.1.3. 在OpenSolaris系统上</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#building-python">2.2. 构建Python</a></li>
+<li><a class="reference internal" href="#python-related-paths-and-files">2.3. 与Python相关的路径和文件</a></li>
+<li><a class="reference internal" href="#miscellaneous">2.4. 杂项</a></li>
+</ul>
+</li>
+</ul>
+
+  <h4>上一个主题</h4>
+  <p class="topless"><a href="cmdline.html"
+                        title="上一章"><span class="section-number">1. </span>命令行与环境</a></p>
+  <h4>下一个主题</h4>
+  <p class="topless"><a href="windows.html"
+                        title="下一章"><span class="section-number">3. </span>在Windows上使用 Python</a></p>
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+        <a href="https://github.com/python/cpython/blob/3.8/Doc/using/unix.rst"
+            rel="nofollow">显示源代码
+        </a>
+      </li>
+    </ul>
+  </div>
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+    你应当升级版本，并阅读 
+    <a href="/3/using/unix.html"> Python 当前稳定版本的文档</a>.
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+        <li class="right" style="margin-right: 10px">
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+             accesskey="I">索引</a></li>
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+      <a href="../index.html">3.8.20 Documentation</a> &#187;
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+    <div class="document">
+      <div class="documentwrapper">
+        <div class="bodywrapper">
+          <div class="body" role="main">
+            
+  <section id="using-python-on-unix-platforms">
+<span id="using-on-unix"></span><h1><span class="section-number">2. </span>在类Unix环境下使用Python<a class="headerlink" href="#using-python-on-unix-platforms" title="永久链接至标题">¶</a></h1>
+<section id="getting-and-installing-the-latest-version-of-python">
+<h2><span class="section-number">2.1. </span>获得并安装Python的最新版本<a class="headerlink" href="#getting-and-installing-the-latest-version-of-python" title="永久链接至标题">¶</a></h2>
+<section id="on-linux">
+<h3><span class="section-number">2.1.1. </span>在Linux中<a class="headerlink" href="#on-linux" title="永久链接至标题">¶</a></h3>
+<p>Python预装在大多数Linux发行版上，并作为一个包提供给所有其他用户。 但是，您可能想要使用的某些功能在发行版提供的软件包中不可用。这时您可以从源代码轻松编译最新版本的Python。</p>
+<p>如果Python没有预先安装并且不在发行版提供的库中，您可以轻松地为自己使用的发行版创建包。 参阅以下链接：</p>
+<div class="admonition seealso">
+<p class="admonition-title">参见</p>
+<dl class="simple">
+<dt><a class="reference external" href="https://www.debian.org/doc/manuals/maint-guide/first.en.html">https://www.debian.org/doc/manuals/maint-guide/first.en.html</a></dt><dd><p>对于Debian用户</p>
+</dd>
+<dt><a class="reference external" href="https://en.opensuse.org/Portal:Packaging">https://en.opensuse.org/Portal:Packaging</a></dt><dd><p>对于OpenSuse用户</p>
+</dd>
+<dt><a class="reference external" href="https://docs-old.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/RPM_Guide/ch-creating-rpms.html">https://docs-old.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/RPM_Guide/ch-creating-rpms.html</a></dt><dd><p>对于Fedora用户</p>
+</dd>
+<dt><a class="reference external" href="http://www.slackbook.org/html/package-management-making-packages.html">http://www.slackbook.org/html/package-management-making-packages.html</a></dt><dd><p>对于Slackware用户</p>
+</dd>
+</dl>
+</div>
+</section>
+<section id="on-freebsd-and-openbsd">
+<h3><span class="section-number">2.1.2. </span>在FreeBSD和OpenBSD上<a class="headerlink" href="#on-freebsd-and-openbsd" title="永久链接至标题">¶</a></h3>
+<ul>
+<li><p>FreeBSD用户，使用以下命令添加包:</p>
+<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>pkg<span class="w"> </span>install<span class="w"> </span>python3
+</pre></div>
+</div>
+</li>
+<li><p>OpenBSD用户，使用以下命令添加包:</p>
+<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>pkg_add<span class="w"> </span>-r<span class="w"> </span>python
+
+pkg_add<span class="w"> </span>ftp://ftp.openbsd.org/pub/OpenBSD/4.2/packages/&lt;insert<span class="w"> </span>your<span class="w"> </span>architecture<span class="w"> </span>here&gt;/python-&lt;version&gt;.tgz
+</pre></div>
+</div>
+<p>例如：i386用户获取Python 2.5.1的可用版本:</p>
+<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>pkg_add<span class="w"> </span>ftp://ftp.openbsd.org/pub/OpenBSD/4.2/packages/i386/python-2.5.1p2.tgz
+</pre></div>
+</div>
+</li>
+</ul>
+</section>
+<section id="on-opensolaris">
+<h3><span class="section-number">2.1.3. </span>在OpenSolaris系统上<a class="headerlink" href="#on-opensolaris" title="永久链接至标题">¶</a></h3>
+<p>你可以从 <a class="reference external" href="https://www.opencsw.org/">OpenCSW</a> 获取、安装及使用各种版本的Python。比如 <code class="docutils literal notranslate"><span class="pre">pkgutil</span> <span class="pre">-i</span> <span class="pre">python27</span></code> 。</p>
+</section>
+</section>
+<section id="building-python">
+<span id="building-python-on-unix"></span><h2><span class="section-number">2.2. </span>构建Python<a class="headerlink" href="#building-python" title="永久链接至标题">¶</a></h2>
+<p>如果你想自己编译CPython，首先要做的是获取 <a class="reference external" href="https://www.python.org/downloads/source/">source</a> 。您可以下载最新版本的源代码，也可以直接提取最新的 <a class="reference external" href="https://devguide.python.org/setup/#getting-the-source-code">clone</a> 。 （如果你想要制作补丁，则需要克隆代码。）</p>
+<p>构建过程由常用命令组成：</p>
+<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>./configure
+make
+make<span class="w"> </span>install
+</pre></div>
+</div>
+<p>特定Unix平台的配置选项和注意事项通常记录在Python源代码的根目录下的 <a class="reference external" href="https://github.com/python/cpython/tree/3.8/README.rst">README.rst</a> 文件中。</p>
+<div class="admonition warning">
+<p class="admonition-title">警告</p>
+<p><code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">install</span></code> 可以覆盖或伪装 <code class="file docutils literal notranslate"><span class="pre">python3</span></code> 二进制文件。因此，建议使用 <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">altinstall</span></code> 而不是 <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">install</span></code> ，因为后者只安装了 <code class="file docutils literal notranslate"><em><span class="pre">exec_prefix</span></em><span class="pre">/bin/python</span><em><span class="pre">version</span></em></code> 。</p>
+</div>
+</section>
+<section id="python-related-paths-and-files">
+<h2><span class="section-number">2.3. </span>与Python相关的路径和文件<a class="headerlink" href="#python-related-paths-and-files" title="永久链接至标题">¶</a></h2>
+<p>这取决于本地安装惯例； <span class="target" id="index-6"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">prefix</span></code> （ <code class="docutils literal notranslate"><span class="pre">${prefix}</span></code> ）和 <span class="target" id="index-7"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">exec_prefix</span></code> （ <code class="docutils literal notranslate"><span class="pre">${exec_prefix}</span></code> ）  取决于安装，应解释为GNU软件；它们可能相同。</p>
+<p>例如，在大多数Linux系统上，两者的默认值是 <code class="file docutils literal notranslate"><span class="pre">/usr</span></code> 。</p>
+<table class="docutils align-default">
+<colgroup>
+<col style="width: 53%" />
+<col style="width: 47%" />
+</colgroup>
+<thead>
+<tr class="row-odd"><th class="head"><p>文件/目录</p></th>
+<th class="head"><p>含义</p></th>
+</tr>
+</thead>
+<tbody>
+<tr class="row-even"><td><p><code class="file docutils literal notranslate"><em><span class="pre">exec_prefix</span></em><span class="pre">/bin/python3</span></code></p></td>
+<td><p>解释器的推荐位置</p></td>
+</tr>
+<tr class="row-odd"><td><p><code class="file docutils literal notranslate"><em><span class="pre">prefix</span></em><span class="pre">/lib/python</span><em><span class="pre">version</span></em></code>,
+<code class="file docutils literal notranslate"><em><span class="pre">exec_prefix</span></em><span class="pre">/lib/python</span><em><span class="pre">version</span></em></code></p></td>
+<td><p>包含标准模块的目录的推荐位置</p></td>
+</tr>
+<tr class="row-even"><td><p><code class="file docutils literal notranslate"><em><span class="pre">prefix</span></em><span class="pre">/include/python</span><em><span class="pre">version</span></em></code>,
+<code class="file docutils literal notranslate"><em><span class="pre">exec_prefix</span></em><span class="pre">/include/python</span><em><span class="pre">version</span></em></code></p></td>
+<td><p>包含开发Python扩展和嵌入解释器所需的include文件的目录的推荐位置</p></td>
+</tr>
+</tbody>
+</table>
+</section>
+<section id="miscellaneous">
+<h2><span class="section-number">2.4. </span>杂项<a class="headerlink" href="#miscellaneous" title="永久链接至标题">¶</a></h2>
+<p>要在Unix上使用Python脚本，需要添加可执行权限，例如：</p>
+<div class="highlight-shell-session notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>chmod<span class="w"> </span>+x<span class="w"> </span>script
+</pre></div>
+</div>
+<p>并在脚本的顶部放置一个合适的Shebang线。一个很好的选择通常是:</p>
+<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span><span class="ch">#!/usr/bin/env python3</span>
+</pre></div>
+</div>
+<p>将在整个 <span class="target" id="index-8"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">PATH</span></code> 中搜索Python解释器。但是，某些Unix系统可能没有 <strong class="program">env</strong> 命令，因此可能需要将 <code class="docutils literal notranslate"><span class="pre">/usr/bin/python3</span></code> 硬编码为解释器路径。</p>
+<p>要在Python脚本中使用shell命令，请查看 <a class="reference internal" href="../library/subprocess.html#module-subprocess" title="subprocess: Subprocess management."><code class="xref py py-mod docutils literal notranslate"><span class="pre">subprocess</span></code></a> 模块。</p>
+</section>
+</section>
+
+
+          </div>
+        </div>
+      </div>
+      <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
+        <div class="sphinxsidebarwrapper">
+  <h3><a href="../contents.html">目录</a></h3>
+  <ul>
+<li><a class="reference internal" href="#">2. 在类Unix环境下使用Python</a><ul>
+<li><a class="reference internal" href="#getting-and-installing-the-latest-version-of-python">2.1. 获得并安装Python的最新版本</a><ul>
+<li><a class="reference internal" href="#on-linux">2.1.1. 在Linux中</a></li>
+<li><a class="reference internal" href="#on-freebsd-and-openbsd">2.1.2. 在FreeBSD和OpenBSD上</a></li>
+<li><a class="reference internal" href="#on-opensolaris">2.1.3. 在OpenSolaris系统上</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#building-python">2.2. 构建Python</a></li>
+<li><a class="reference internal" href="#python-related-paths-and-files">2.3. 与Python相关的路径和文件</a></li>
+<li><a class="reference internal" href="#miscellaneous">2.4. 杂项</a></li>
+</ul>
+</li>
+</ul>
+
+  <h4>上一个主题</h4>
+  <p class="topless"><a href="cmdline.html"
+                        title="上一章"><span class="section-number">1. </span>命令行与环境</a></p>
+  <h4>下一个主题</h4>
+  <p class="topless"><a href="windows.html"
+                        title="下一章"><span class="section-number">3. </span>在Windows上使用 Python</a></p>
+  <div role="note" aria-label="source link">
+    <h3>本页</h3>
+    <ul class="this-page-menu">
+      <li><a href="../bugs.html">报告 Bug</a></li>
+      <li>
+        <a href="https://github.com/python/cpython/blob/3.8/Doc/using/unix.rst"
+            rel="nofollow">显示源代码
+        </a>
+      </li>
+    </ul>
+  </div>
+        </div>
+      </div>
+      <div class="clearer"></div>
+    </div>  
+    <div class="related" role="navigation" aria-label="related navigation">
+      <h3>导航</h3>
+      <ul>
+        <li class="right" style="margin-right: 10px">
+          <a href="../genindex.html" title="总目录"
+             >索引</a></li>
+        <li class="right" >
+          <a href="../py-modindex.html" title="Python 模块索引"
+             >模块</a> |</li>
+        <li class="right" >
+          <a href="windows.html" title="3. 在Windows上使用 Python"
+             >下一页</a> |</li>
+        <li class="right" >
+          <a href="cmdline.html" title="1. 命令行与环境"
+             >上一页</a> |</li>
+
+          <li><img src="../_static/py.svg" alt="python logo" style="vertical-align: middle; margin-top: -1px"/></li>
+          <li><a href="https://www.python.org/">Python</a> &#187;</li>
+          <li class="switchers">
+            <div class="language_switcher_placeholder"></div>
+            <div class="version_switcher_placeholder"></div>
+          </li>
+          <li>
+              
+          </li>
+    <li id="cpython-language-and-version">
+      <a href="../index.html">3.8.20 Documentation</a> &#187;
+    </li>
+
+          <li class="nav-item nav-item-1"><a href="index.html" >Python安装和使用</a> &#187;</li>
+                <li class="right">
+                    
+
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+        <form class="inline-search" action="../search.html" method="get">
+          <input placeholder="快速搜索" aria-label="快速搜索" type="text" name="q" />
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