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<section id="data-persistence">
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<span id="persistence"></span><h1>数据持久化<a class="headerlink" href="#data-persistence" title="永久链接至标题">¶</a></h1>
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<p>本章中描述的模块支持在磁盘上以持久形式存储 Python 数据。 <a class="reference internal" href="pickle.html#module-pickle" title="pickle: Convert Python objects to streams of bytes and back."><code class="xref py py-mod docutils literal notranslate"><span class="pre">pickle</span></code></a> 和 <a class="reference internal" href="marshal.html#module-marshal" title="marshal: Convert Python objects to streams of bytes and back (with different constraints)."><code class="xref py py-mod docutils literal notranslate"><span class="pre">marshal</span></code></a> 模块可以将许多 Python 数据类型转换为字节流，然后从字节中重新创建对象。 各种与 DBM 相关的模块支持一系列基于散列的文件格式，这些格式存储字符串到其他字符串的映射。</p>
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<p>本章中描述的模块列表是：</p>
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<li class="toctree-l1"><a class="reference internal" href="pickle.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">pickle</span></code> --- Python 对象序列化</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="pickle.html#relationship-to-other-python-modules">与其他 Python 模块间的关系</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="pickle.html#comparison-with-marshal">与 <code class="docutils literal notranslate"><span class="pre">marshal</span></code> 间的关系</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pickle.html#comparison-with-json">与 <code class="docutils literal notranslate"><span class="pre">json</span></code> 模块的比较</a></li>
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<li class="toctree-l2"><a class="reference internal" href="pickle.html#restricting-globals">限制全局变量</a></li>
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最后更新于 12月 09, 2024.
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<a href="https://docs.python.org/3/bugs.html">Found a bug</a>?
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