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<span id="language"></span><h1>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"><code class="xref py py-mod docutils literal notranslate"><span class="pre">parser</span></code> — Access Python parse trees</a><ul>
<li class="toctree-l2"><a class="reference internal" href="parser.html#creating-st-objects">Creating ST Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="parser.html#converting-st-objects">Converting ST Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="parser.html#queries-on-st-objects">Queries on ST Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="parser.html#exceptions-and-error-handling">Exceptions and Error Handling</a></li>
<li class="toctree-l2"><a class="reference internal" href="parser.html#st-objects">ST Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="parser.html#example-emulation-of-compile">Example: Emulation of <code class="xref py py-func docutils literal notranslate"><span class="pre">compile()</span></code></a></li>
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<li class="toctree-l1"><a class="reference internal" href="ast.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">ast</span></code> — Abstract Syntax Trees</a><ul>
<li class="toctree-l2"><a class="reference internal" href="ast.html#node-classes">Node classes</a></li>
<li class="toctree-l2"><a class="reference internal" href="ast.html#abstract-grammar">Abstract Grammar</a></li>
<li class="toctree-l2"><a class="reference internal" href="ast.html#ast-helpers"><code class="xref py py-mod docutils literal notranslate"><span class="pre">ast</span></code> Helpers</a></li>
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<li class="toctree-l1"><a class="reference internal" href="symtable.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">symtable</span></code> — Access to the compiler’s symbol tables</a><ul>
<li class="toctree-l2"><a class="reference internal" href="symtable.html#generating-symbol-tables">Generating Symbol Tables</a></li>
<li class="toctree-l2"><a class="reference internal" href="symtable.html#examining-symbol-tables">Examining Symbol Tables</a></li>
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<li class="toctree-l1"><a class="reference internal" href="symbol.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">symbol</span></code> — Constants used with Python parse trees</a></li>
<li class="toctree-l1"><a class="reference internal" href="token.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">token</span></code> — Constants used with Python parse trees</a></li>
<li class="toctree-l1"><a class="reference internal" href="keyword.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">keyword</span></code> — Testing for Python keywords</a></li>
<li class="toctree-l1"><a class="reference internal" href="tokenize.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">tokenize</span></code> — Tokenizer for Python source</a><ul>
<li class="toctree-l2"><a class="reference internal" href="tokenize.html#tokenizing-input">Tokenizing Input</a></li>
<li class="toctree-l2"><a class="reference internal" href="tokenize.html#command-line-usage">Command-Line Usage</a></li>
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<li class="toctree-l1"><a class="reference internal" href="tabnanny.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">tabnanny</span></code> — Detection of ambiguous indentation</a></li>
<li class="toctree-l1"><a class="reference internal" href="pyclbr.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">pyclbr</span></code> — Python module browser support</a><ul>
<li class="toctree-l2"><a class="reference internal" href="pyclbr.html#function-objects">Function Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="pyclbr.html#class-objects">Class Objects</a></li>
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<li class="toctree-l1"><a class="reference internal" href="py_compile.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">py_compile</span></code> — Compile Python source files</a></li>
<li class="toctree-l1"><a class="reference internal" href="compileall.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">compileall</span></code> — Byte-compile Python libraries</a><ul>
<li class="toctree-l2"><a class="reference internal" href="compileall.html#command-line-use">Command-line use</a></li>
<li class="toctree-l2"><a class="reference internal" href="compileall.html#public-functions">Public functions</a></li>
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<li class="toctree-l1"><a class="reference internal" href="dis.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">dis</span></code> — Disassembler for Python bytecode</a><ul>
<li class="toctree-l2"><a class="reference internal" href="dis.html#bytecode-analysis">Bytecode analysis</a></li>
<li class="toctree-l2"><a class="reference internal" href="dis.html#analysis-functions">Analysis functions</a></li>
<li class="toctree-l2"><a class="reference internal" href="dis.html#python-bytecode-instructions">Python Bytecode Instructions</a></li>
<li class="toctree-l2"><a class="reference internal" href="dis.html#opcode-collections">Opcode collections</a></li>
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<li class="toctree-l1"><a class="reference internal" href="pickletools.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">pickletools</span></code> — Tools for pickle developers</a><ul>
<li class="toctree-l2"><a class="reference internal" href="pickletools.html#command-line-usage">Command line usage</a><ul>
<li class="toctree-l3"><a class="reference internal" href="pickletools.html#command-line-options">Command line options</a></li>
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<li class="toctree-l2"><a class="reference internal" href="pickletools.html#programmatic-interface">Programmatic Interface</a></li>
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