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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>31.8. tabnanny — Detection of ambiguous indentation — Python v2.6.6 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: '2.6.6', COLLAPSE_MODINDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python v2.6.6 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 v2.6.6 documentation" href="../index.html" /> <link rel="up" title="31. 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Python Language Services</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="module-tabnanny"> <h1>31.8. <tt class="xref docutils literal"><span class="pre">tabnanny</span></tt> — Detection of ambiguous indentation<a class="headerlink" href="#module-tabnanny" title="Permalink to this headline">¶</a></h1> <p>For the time being this module is intended to be called as a script. However it is possible to import it into an IDE and use the function <a title="tabnanny.check" class="reference internal" href="#tabnanny.check"><tt class="xref docutils literal"><span class="pre">check()</span></tt></a> described below.</p> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">The API provided by this module is likely to change in future releases; such changes may not be backward compatible.</p> </div> <dl class="function"> <dt id="tabnanny.check"> <tt class="descclassname">tabnanny.</tt><tt class="descname">check</tt><big>(</big><em>file_or_dir</em><big>)</big><a class="headerlink" href="#tabnanny.check" title="Permalink to this definition">¶</a></dt> <dd>If <em>file_or_dir</em> is a directory and not a symbolic link, then recursively descend the directory tree named by <em>file_or_dir</em>, checking all <tt class="docutils literal"><span class="pre">.py</span></tt> files along the way. If <em>file_or_dir</em> is an ordinary Python source file, it is checked for whitespace related problems. The diagnostic messages are written to standard output using the print statement.</dd></dl> <dl class="data"> <dt id="tabnanny.verbose"> <tt class="descclassname">tabnanny.</tt><tt class="descname">verbose</tt><a class="headerlink" href="#tabnanny.verbose" title="Permalink to this definition">¶</a></dt> <dd>Flag indicating whether to print verbose messages. This is incremented by the <tt class="docutils literal"><span class="pre">-v</span></tt> option if called as a script.</dd></dl> <dl class="data"> <dt id="tabnanny.filename_only"> <tt class="descclassname">tabnanny.</tt><tt class="descname">filename_only</tt><a class="headerlink" href="#tabnanny.filename_only" title="Permalink to this definition">¶</a></dt> <dd>Flag indicating whether to print only the filenames of files containing whitespace related problems. This is set to true by the <tt class="docutils literal"><span class="pre">-q</span></tt> option if called as a script.</dd></dl> <dl class="exception"> <dt id="tabnanny.NannyNag"> <em class="property">exception </em><tt class="descclassname">tabnanny.</tt><tt class="descname">NannyNag</tt><a class="headerlink" href="#tabnanny.NannyNag" title="Permalink to this definition">¶</a></dt> <dd>Raised by <a title="tabnanny.tokeneater" class="reference internal" href="#tabnanny.tokeneater"><tt class="xref docutils literal"><span class="pre">tokeneater()</span></tt></a> if detecting an ambiguous indent. Captured and handled in <a title="tabnanny.check" class="reference internal" href="#tabnanny.check"><tt class="xref docutils literal"><span class="pre">check()</span></tt></a>.</dd></dl> <dl class="function"> <dt id="tabnanny.tokeneater"> <tt class="descclassname">tabnanny.</tt><tt class="descname">tokeneater</tt><big>(</big><em>type</em>, <em>token</em>, <em>start</em>, <em>end</em>, <em>line</em><big>)</big><a class="headerlink" href="#tabnanny.tokeneater" title="Permalink to this definition">¶</a></dt> <dd>This function is used by <a title="tabnanny.check" class="reference internal" href="#tabnanny.check"><tt class="xref docutils literal"><span class="pre">check()</span></tt></a> as a callback parameter to the function <a title="tokenize.tokenize" class="reference external" href="tokenize.html#tokenize.tokenize"><tt class="xref docutils literal"><span class="pre">tokenize.tokenize()</span></tt></a>.</dd></dl> <div class="admonition-see-also admonition seealso"> <p class="first admonition-title">See also</p> <dl class="last docutils"> <dt>Module <a title="Lexical scanner for Python source code." class="reference external" href="tokenize.html#module-tokenize"><tt class="xref docutils literal"><span class="pre">tokenize</span></tt></a></dt> <dd>Lexical scanner for Python source code.</dd> </dl> </div> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="tokenize.html" title="previous chapter">31.7. <tt class="docutils literal docutils literal"><span class="pre">tokenize</span></tt> — Tokenizer for Python source</a></p> <h4>Next topic</h4> <p class="topless"><a href="pyclbr.html" title="next chapter">31.9. <tt class="docutils literal docutils literal docutils literal"><span class="pre">pyclbr</span></tt> — Python class browser support</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/tabnanny.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" size="18" /> <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="../modindex.html" title="Global Module Index" >modules</a> |</li> <li class="right" > <a href="pyclbr.html" title="31.9. pyclbr — Python class browser support" >next</a> |</li> <li class="right" > <a href="tokenize.html" title="31.7. tokenize — Tokenizer for Python source" >previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="../index.html">Python v2.6.6 documentation</a> »</li> <li><a href="index.html" >The Python Standard Library</a> »</li> <li><a href="language.html" >31. 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