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<span id="language"></span><h1>31. Python Language Services<a class="headerlink" href="#python-language-services" title="Permalink to this headline">¶</a></h1>
<p>Python provides a number of modules to assist in working with the Python
language. These modules support tokenizing, parsing, syntax analysis, bytecode
disassembly, and various other facilities.</p>
<p>These modules include:</p>
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<li class="toctree-l1"><a class="reference internal" href="parser.html">31.1. <tt class="docutils literal"><span class="pre">parser</span></tt> — Access Python parse trees</a><ul>
<li class="toctree-l2"><a class="reference internal" href="parser.html#creating-st-objects">31.1.1. Creating ST Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="parser.html#converting-st-objects">31.1.2. Converting ST Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="parser.html#queries-on-st-objects">31.1.3. Queries on ST Objects</a></li>
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<li class="toctree-l2"><a class="reference internal" href="parser.html#example-emulation-of-compile">31.1.6. Example: Emulation of <tt class="docutils literal"><span class="pre">compile()</span></tt></a></li>
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<li class="toctree-l1"><a class="reference internal" href="ast.html">31.2. <tt class="docutils literal"><span class="pre">ast</span></tt> — Abstract Syntax Trees</a><ul>
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<li class="toctree-l1"><a class="reference internal" href="symtable.html">31.3. <tt class="docutils literal"><span class="pre">symtable</span></tt> — Access to the compiler’s symbol tables</a><ul>
<li class="toctree-l2"><a class="reference internal" href="symtable.html#generating-symbol-tables">31.3.1. Generating Symbol Tables</a></li>
<li class="toctree-l2"><a class="reference internal" href="symtable.html#examining-symbol-tables">31.3.2. Examining Symbol Tables</a></li>
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<li class="toctree-l1"><a class="reference internal" href="symbol.html">31.4. <tt class="docutils literal"><span class="pre">symbol</span></tt> — Constants used with Python parse trees</a></li>
<li class="toctree-l1"><a class="reference internal" href="token.html">31.5. <tt class="docutils literal"><span class="pre">token</span></tt> — Constants used with Python parse trees</a></li>
<li class="toctree-l1"><a class="reference internal" href="keyword.html">31.6. <tt class="docutils literal"><span class="pre">keyword</span></tt> — Testing for Python keywords</a></li>
<li class="toctree-l1"><a class="reference internal" href="tokenize.html">31.7. <tt class="docutils literal"><span class="pre">tokenize</span></tt> — Tokenizer for Python source</a><ul>
<li class="toctree-l2"><a class="reference internal" href="tokenize.html#tokenizing-input">31.7.1. Tokenizing Input</a></li>
<li class="toctree-l2"><a class="reference internal" href="tokenize.html#command-line-usage">31.7.2. Command-Line Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="tokenize.html#examples">31.7.3. Examples</a></li>
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<li class="toctree-l1"><a class="reference internal" href="tabnanny.html">31.8. <tt class="docutils literal"><span class="pre">tabnanny</span></tt> — Detection of ambiguous indentation</a></li>
<li class="toctree-l1"><a class="reference internal" href="pyclbr.html">31.9. <tt class="docutils literal"><span class="pre">pyclbr</span></tt> — Python class browser support</a><ul>
<li class="toctree-l2"><a class="reference internal" href="pyclbr.html#class-objects">31.9.1. Class Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="pyclbr.html#function-objects">31.9.2. Function Objects</a></li>
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<li class="toctree-l1"><a class="reference internal" href="py_compile.html">31.10. <tt class="docutils literal"><span class="pre">py_compile</span></tt> — Compile Python source files</a></li>
<li class="toctree-l1"><a class="reference internal" href="compileall.html">31.11. <tt class="docutils literal"><span class="pre">compileall</span></tt> — Byte-compile Python libraries</a><ul>
<li class="toctree-l2"><a class="reference internal" href="compileall.html#command-line-use">31.11.1. Command-line use</a></li>
<li class="toctree-l2"><a class="reference internal" href="compileall.html#public-functions">31.11.2. Public functions</a></li>
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<li class="toctree-l1"><a class="reference internal" href="dis.html">31.12. <tt class="docutils literal"><span class="pre">dis</span></tt> — Disassembler for Python bytecode</a><ul>
<li class="toctree-l2"><a class="reference internal" href="dis.html#python-bytecode-instructions">31.12.1. Python Bytecode Instructions</a></li>
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<li class="toctree-l1"><a class="reference internal" href="pickletools.html">31.13. <tt class="docutils literal"><span class="pre">pickletools</span></tt> — Tools for pickle developers</a><ul>
<li class="toctree-l2"><a class="reference internal" href="pickletools.html#command-line-usage">31.13.1. Command line usage</a><ul>
<li class="toctree-l3"><a class="reference internal" href="pickletools.html#command-line-options">31.13.1.1. Command line options</a></li>
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<li class="toctree-l2"><a class="reference internal" href="pickletools.html#programmatic-interface">31.13.2. Programmatic Interface</a></li>
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