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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>31. Python Language Services — Python 2.7.5 documentation</title> <link rel="stylesheet" href="../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../', VERSION: '2.7.5', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/underscore.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <script type="text/javascript" src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python 2.7.5 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="copyright" title="Copyright" href="../copyright.html" /> <link rel="top" title="Python 2.7.5 documentation" href="../index.html" /> <link rel="up" title="The Python Standard Library" href="index.html" /> <link rel="next" title="31.1. parser — Access Python parse trees" href="parser.html" /> <link rel="prev" title="30.7. runpy — Locating and executing Python modules" href="runpy.html" /> <link rel="shortcut icon" type="image/png" href="../_static/py.png" /> <script type="text/javascript" src="../_static/copybutton.js"></script> </head> <body> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="parser.html" title="31.1. parser — Access Python parse trees" accesskey="N">next</a> |</li> <li class="right" > <a href="runpy.html" title="30.7. runpy — Locating and executing Python modules" accesskey="P">previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="http://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.5 documentation</a> » </li> <li><a href="index.html" accesskey="U">The Python Standard Library</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="python-language-services"> <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> <div class="toctree-wrapper compound"> <ul> <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> <li class="toctree-l2"><a class="reference internal" href="parser.html#exceptions-and-error-handling">31.1.4. Exceptions and Error Handling</a></li> <li class="toctree-l2"><a class="reference internal" href="parser.html#st-objects">31.1.5. ST Objects</a></li> <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> </ul> </li> <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> <li class="toctree-l2"><a class="reference internal" href="ast.html#node-classes">31.2.1. Node classes</a></li> <li class="toctree-l2"><a class="reference internal" href="ast.html#abstract-grammar">31.2.2. Abstract Grammar</a></li> <li class="toctree-l2"><a class="reference internal" href="ast.html#ast-helpers">31.2.3. <tt class="docutils literal"><span class="pre">ast</span></tt> Helpers</a></li> </ul> </li> <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> </ul> </li> <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></li> <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> </ul> </li> <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> </ul> </li> <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> </ul> </li> <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></li> </ul> </div> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="runpy.html" title="previous chapter">30.7. <tt class="docutils literal"><span class="pre">runpy</span></tt> — Locating and executing Python modules</a></p> <h4>Next topic</h4> <p class="topless"><a href="parser.html" title="next chapter">31.1. <tt class="docutils literal"><span class="pre">parser</span></tt> — Access Python parse trees</a></p> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a Bug</a></li> <li><a href="../_sources/library/language.txt" rel="nofollow">Show Source</a></li> </ul> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="../search.html" method="get"> <input type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="parser.html" title="31.1. parser — Access Python parse trees" >next</a> |</li> <li class="right" > <a href="runpy.html" title="30.7. runpy — Locating and executing Python modules" >previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="http://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.5 documentation</a> » </li> <li><a href="index.html" >The Python Standard Library</a> »</li> </ul> </div> <div class="footer"> © <a href="../copyright.html">Copyright</a> 1990-2019, Python Software Foundation. <br /> The Python Software Foundation is a non-profit corporation. <a href="http://www.python.org/psf/donations/">Please donate.</a> <br /> Last updated on Jul 03, 2019. <a href="../bugs.html">Found a bug</a>? <br /> Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.3. </div> </body> </html>
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