EVOLUTION-MANAGER
Edit File: matching.html
<!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>matching module — Whoosh 2.7.4 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: '2.7.4', 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> <link rel="top" title="Whoosh 2.7.4 documentation" href="../index.html" /> <link rel="up" title="Whoosh API" href="api.html" /> <link rel="next" title="qparser module" href="qparser.html" /> <link rel="prev" title="lang.wordnet module" href="lang/wordnet.html" /> </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="qparser.html" title="qparser module" accesskey="N">next</a> |</li> <li class="right" > <a href="lang/wordnet.html" title="lang.wordnet module" accesskey="P">previous</a> |</li> <li><a href="../index.html">Whoosh 2.7.4 documentation</a> »</li> <li><a href="api.html" accesskey="U">Whoosh API</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="module-whoosh.matching"> <span id="matching-module"></span><h1><tt class="docutils literal"><span class="pre">matching</span></tt> module<a class="headerlink" href="#module-whoosh.matching" title="Permalink to this headline">¶</a></h1> <div class="section" id="matchers"> <h2>Matchers<a class="headerlink" href="#matchers" title="Permalink to this headline">¶</a></h2> <dl class="class"> <dt id="whoosh.matching.Matcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">Matcher</tt><a class="headerlink" href="#whoosh.matching.Matcher" title="Permalink to this definition">¶</a></dt> <dd><p>Base class for all matchers.</p> <dl class="method"> <dt id="whoosh.matching.Matcher.all_ids"> <tt class="descname">all_ids</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.all_ids" title="Permalink to this definition">¶</a></dt> <dd><p>Returns a generator of all IDs in the matcher.</p> <p>What this method returns for a matcher that has already read some postings (whether it only yields the remaining postings or all postings from the beginning) is undefined, so it’s best to only use this method on fresh matchers.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.all_items"> <tt class="descname">all_items</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.all_items" title="Permalink to this definition">¶</a></dt> <dd><p>Returns a generator of all (ID, encoded value) pairs in the matcher.</p> <p>What this method returns for a matcher that has already read some postings (whether it only yields the remaining postings or all postings from the beginning) is undefined, so it’s best to only use this method on fresh matchers.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.block_quality"> <tt class="descname">block_quality</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.block_quality" title="Permalink to this definition">¶</a></dt> <dd><p>Returns a quality measurement of the current block of postings, according to the current weighting algorithm. Raises <tt class="docutils literal"><span class="pre">NoQualityAvailable</span></tt> if the matcher or weighting do not support quality measurements.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.children"> <tt class="descname">children</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.children" title="Permalink to this definition">¶</a></dt> <dd><p>Returns an (possibly empty) list of the submatchers of this matcher.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.copy"> <tt class="descname">copy</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.copy" title="Permalink to this definition">¶</a></dt> <dd><p>Returns a copy of this matcher.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.depth"> <tt class="descname">depth</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.depth" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the depth of the tree under this matcher, or 0 if this matcher does not have any children.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.id"> <tt class="descname">id</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.id" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the ID of the current posting.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.is_active"> <tt class="descname">is_active</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.is_active" title="Permalink to this definition">¶</a></dt> <dd><p>Returns True if this matcher is still “active”, that is, it has not yet reached the end of the posting list.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.items_as"> <tt class="descname">items_as</tt><big>(</big><em>astype</em><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.items_as" title="Permalink to this definition">¶</a></dt> <dd><p>Returns a generator of all (ID, decoded value) pairs in the matcher.</p> <p>What this method returns for a matcher that has already read some postings (whether it only yields the remaining postings or all postings from the beginning) is undefined, so it’s best to only use this method on fresh matchers.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.matching_terms"> <tt class="descname">matching_terms</tt><big>(</big><em>id=None</em><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.matching_terms" title="Permalink to this definition">¶</a></dt> <dd><p>Returns an iterator of <tt class="docutils literal"><span class="pre">("fieldname",</span> <span class="pre">"termtext")</span></tt> tuples for the <strong>currently matching</strong> term matchers in this tree.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.max_quality"> <tt class="descname">max_quality</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.max_quality" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the maximum possible quality measurement for this matcher, according to the current weighting algorithm. Raises <tt class="docutils literal"><span class="pre">NoQualityAvailable</span></tt> if the matcher or weighting do not support quality measurements.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.next"> <tt class="descname">next</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.next" title="Permalink to this definition">¶</a></dt> <dd><p>Moves this matcher to the next posting.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.replace"> <tt class="descname">replace</tt><big>(</big><em>minquality=0</em><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.replace" title="Permalink to this definition">¶</a></dt> <dd><p>Returns a possibly-simplified version of this matcher. For example, if one of the children of a UnionMatcher is no longer active, calling this method on the UnionMatcher will return the other child.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.reset"> <tt class="descname">reset</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.reset" title="Permalink to this definition">¶</a></dt> <dd><p>Returns to the start of the posting list.</p> <p>Note that reset() may not do what you expect after you call <a class="reference internal" href="#whoosh.matching.Matcher.replace" title="whoosh.matching.Matcher.replace"><tt class="xref py py-meth docutils literal"><span class="pre">Matcher.replace()</span></tt></a>, since this can mean calling reset() not on the original matcher, but on an optimized replacement.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.score"> <tt class="descname">score</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.score" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the score of the current posting.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.skip_to"> <tt class="descname">skip_to</tt><big>(</big><em>id</em><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.skip_to" title="Permalink to this definition">¶</a></dt> <dd><p>Moves this matcher to the first posting with an ID equal to or greater than the given ID.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.skip_to_quality"> <tt class="descname">skip_to_quality</tt><big>(</big><em>minquality</em><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.skip_to_quality" title="Permalink to this definition">¶</a></dt> <dd><p>Moves this matcher to the next block with greater than the given minimum quality value.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.spans"> <tt class="descname">spans</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.spans" title="Permalink to this definition">¶</a></dt> <dd><p>Returns a list of <tt class="xref py py-class docutils literal"><span class="pre">Span</span></tt> objects for the matches in this document. Raises an exception if the field being searched does not store positions.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.supports"> <tt class="descname">supports</tt><big>(</big><em>astype</em><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.supports" title="Permalink to this definition">¶</a></dt> <dd><p>Returns True if the field’s format supports the named data type, for example ‘frequency’ or ‘characters’.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.supports_block_quality"> <tt class="descname">supports_block_quality</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.supports_block_quality" title="Permalink to this definition">¶</a></dt> <dd><p>Returns True if this matcher supports the use of <tt class="docutils literal"><span class="pre">quality</span></tt> and <tt class="docutils literal"><span class="pre">block_quality</span></tt>.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.term"> <tt class="descname">term</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.term" title="Permalink to this definition">¶</a></dt> <dd><p>Returns a <tt class="docutils literal"><span class="pre">("fieldname",</span> <span class="pre">"termtext")</span></tt> tuple for the term this matcher matches, or None if this matcher is not a term matcher.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.term_matchers"> <tt class="descname">term_matchers</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.term_matchers" title="Permalink to this definition">¶</a></dt> <dd><p>Returns an iterator of term matchers in this tree.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.value"> <tt class="descname">value</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.value" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the encoded value of the current posting.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.value_as"> <tt class="descname">value_as</tt><big>(</big><em>astype</em><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.value_as" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the value(s) of the current posting as the given type.</p> </dd></dl> <dl class="method"> <dt id="whoosh.matching.Matcher.weight"> <tt class="descname">weight</tt><big>(</big><big>)</big><a class="headerlink" href="#whoosh.matching.Matcher.weight" title="Permalink to this definition">¶</a></dt> <dd><p>Returns the weight of the current posting.</p> </dd></dl> </dd></dl> <dl class="attribute"> <dt id="whoosh.matching.NullMatcher"> <tt class="descclassname">whoosh.matching.</tt><tt class="descname">NullMatcher</tt><a class="headerlink" href="#whoosh.matching.NullMatcher" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> <dl class="class"> <dt id="whoosh.matching.ListMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">ListMatcher</tt><big>(</big><em>ids</em>, <em>weights=None</em>, <em>values=None</em>, <em>format=None</em>, <em>scorer=None</em>, <em>position=0</em>, <em>all_weights=None</em>, <em>term=None</em>, <em>terminfo=None</em><big>)</big><a class="headerlink" href="#whoosh.matching.ListMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Synthetic matcher backed by a list of IDs.</p> <table class="docutils field-list" frame="void" rules="none"> <col class="field-name" /> <col class="field-body" /> <tbody valign="top"> <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple"> <li><strong>ids</strong> – a list of doc IDs.</li> <li><strong>weights</strong> – a list of weights corresponding to the list of IDs. If this argument is not supplied, a list of 1.0 values is used.</li> <li><strong>values</strong> – a list of encoded values corresponding to the list of IDs.</li> <li><strong>format</strong> – a <a class="reference internal" href="formats.html#whoosh.formats.Format" title="whoosh.formats.Format"><tt class="xref py py-class docutils literal"><span class="pre">whoosh.formats.Format</span></tt></a> object representing the format of the field.</li> <li><strong>scorer</strong> – a <a class="reference internal" href="scoring.html#whoosh.scoring.BaseScorer" title="whoosh.scoring.BaseScorer"><tt class="xref py py-class docutils literal"><span class="pre">whoosh.scoring.BaseScorer</span></tt></a> object for scoring the postings.</li> <li><strong>term</strong> – a <tt class="docutils literal"><span class="pre">("fieldname",</span> <span class="pre">"text")</span></tt> tuple, or None if this is not a term matcher.</li> </ul> </td> </tr> </tbody> </table> </dd></dl> <dl class="class"> <dt id="whoosh.matching.WrappingMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">WrappingMatcher</tt><big>(</big><em>child</em>, <em>boost=1.0</em><big>)</big><a class="headerlink" href="#whoosh.matching.WrappingMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Base class for matchers that wrap sub-matchers.</p> </dd></dl> <dl class="class"> <dt id="whoosh.matching.MultiMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">MultiMatcher</tt><big>(</big><em>matchers</em>, <em>idoffsets</em>, <em>scorer=None</em>, <em>current=0</em><big>)</big><a class="headerlink" href="#whoosh.matching.MultiMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Serializes the results of a list of sub-matchers.</p> <table class="docutils field-list" frame="void" rules="none"> <col class="field-name" /> <col class="field-body" /> <tbody valign="top"> <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple"> <li><strong>matchers</strong> – a list of Matcher objects.</li> <li><strong>idoffsets</strong> – a list of offsets corresponding to items in the <tt class="docutils literal"><span class="pre">matchers</span></tt> list.</li> </ul> </td> </tr> </tbody> </table> </dd></dl> <dl class="class"> <dt id="whoosh.matching.FilterMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">FilterMatcher</tt><big>(</big><em>child</em>, <em>ids</em>, <em>exclude=False</em>, <em>boost=1.0</em><big>)</big><a class="headerlink" href="#whoosh.matching.FilterMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Filters the postings from the wrapped based on whether the IDs are present in or absent from a set.</p> <table class="docutils field-list" frame="void" rules="none"> <col class="field-name" /> <col class="field-body" /> <tbody valign="top"> <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple"> <li><strong>child</strong> – the child matcher.</li> <li><strong>ids</strong> – a set of IDs to filter by.</li> <li><strong>exclude</strong> – by default, only IDs from the wrapped matcher that are <strong>in</strong> the set are used. If this argument is True, only IDs from the wrapped matcher that are <strong>not in</strong> the set are used.</li> </ul> </td> </tr> </tbody> </table> </dd></dl> <dl class="class"> <dt id="whoosh.matching.BiMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">BiMatcher</tt><big>(</big><em>a</em>, <em>b</em><big>)</big><a class="headerlink" href="#whoosh.matching.BiMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Base class for matchers that combine the results of two sub-matchers in some way.</p> </dd></dl> <dl class="class"> <dt id="whoosh.matching.AdditiveBiMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">AdditiveBiMatcher</tt><big>(</big><em>a</em>, <em>b</em><big>)</big><a class="headerlink" href="#whoosh.matching.AdditiveBiMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Base class for binary matchers where the scores of the sub-matchers are added together.</p> </dd></dl> <dl class="class"> <dt id="whoosh.matching.UnionMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">UnionMatcher</tt><big>(</big><em>a</em>, <em>b</em><big>)</big><a class="headerlink" href="#whoosh.matching.UnionMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Matches the union (OR) of the postings in the two sub-matchers.</p> </dd></dl> <dl class="class"> <dt id="whoosh.matching.DisjunctionMaxMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">DisjunctionMaxMatcher</tt><big>(</big><em>a</em>, <em>b</em>, <em>tiebreak=0.0</em><big>)</big><a class="headerlink" href="#whoosh.matching.DisjunctionMaxMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Matches the union (OR) of two sub-matchers. Where both sub-matchers match the same posting, returns the weight/score of the higher-scoring posting.</p> </dd></dl> <dl class="class"> <dt id="whoosh.matching.IntersectionMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">IntersectionMatcher</tt><big>(</big><em>a</em>, <em>b</em><big>)</big><a class="headerlink" href="#whoosh.matching.IntersectionMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Matches the intersection (AND) of the postings in the two sub-matchers.</p> </dd></dl> <dl class="class"> <dt id="whoosh.matching.AndNotMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">AndNotMatcher</tt><big>(</big><em>a</em>, <em>b</em><big>)</big><a class="headerlink" href="#whoosh.matching.AndNotMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Matches the postings in the first sub-matcher that are NOT present in the second sub-matcher.</p> </dd></dl> <dl class="class"> <dt id="whoosh.matching.InverseMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">InverseMatcher</tt><big>(</big><em>child</em>, <em>limit</em>, <em>missing=None</em>, <em>weight=1.0</em>, <em>id=0</em><big>)</big><a class="headerlink" href="#whoosh.matching.InverseMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Synthetic matcher, generates postings that are NOT present in the wrapped matcher.</p> </dd></dl> <dl class="class"> <dt id="whoosh.matching.RequireMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">RequireMatcher</tt><big>(</big><em>a</em>, <em>b</em><big>)</big><a class="headerlink" href="#whoosh.matching.RequireMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Matches postings that are in both sub-matchers, but only uses scores from the first.</p> </dd></dl> <dl class="class"> <dt id="whoosh.matching.AndMaybeMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">AndMaybeMatcher</tt><big>(</big><em>a</em>, <em>b</em><big>)</big><a class="headerlink" href="#whoosh.matching.AndMaybeMatcher" title="Permalink to this definition">¶</a></dt> <dd><p>Matches postings in the first sub-matcher, and if the same posting is in the second sub-matcher, adds their scores.</p> </dd></dl> <dl class="class"> <dt id="whoosh.matching.ConstantScoreMatcher"> <em class="property">class </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">ConstantScoreMatcher</tt><big>(</big><em>score=1.0</em><big>)</big><a class="headerlink" href="#whoosh.matching.ConstantScoreMatcher" title="Permalink to this definition">¶</a></dt> <dd></dd></dl> </div> <div class="section" id="exceptions"> <h2>Exceptions<a class="headerlink" href="#exceptions" title="Permalink to this headline">¶</a></h2> <dl class="exception"> <dt id="whoosh.matching.ReadTooFar"> <em class="property">exception </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">ReadTooFar</tt><a class="headerlink" href="#whoosh.matching.ReadTooFar" title="Permalink to this definition">¶</a></dt> <dd><p>Raised when <a class="reference internal" href="#whoosh.matching.Matcher.next" title="whoosh.matching.Matcher.next"><tt class="xref py py-meth docutils literal"><span class="pre">next()</span></tt></a> or <a class="reference internal" href="#whoosh.matching.Matcher.skip_to" title="whoosh.matching.Matcher.skip_to"><tt class="xref py py-meth docutils literal"><span class="pre">skip_to()</span></tt></a> are called on an inactive matcher.</p> </dd></dl> <dl class="exception"> <dt id="whoosh.matching.NoQualityAvailable"> <em class="property">exception </em><tt class="descclassname">whoosh.matching.</tt><tt class="descname">NoQualityAvailable</tt><a class="headerlink" href="#whoosh.matching.NoQualityAvailable" title="Permalink to this definition">¶</a></dt> <dd><p>Raised when quality methods are called on a matcher that does not support block quality optimizations.</p> </dd></dl> </div> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h3><a href="../index.html">Table Of Contents</a></h3> <ul> <li><a class="reference internal" href="#"><tt class="docutils literal"><span class="pre">matching</span></tt> module</a><ul> <li><a class="reference internal" href="#matchers">Matchers</a></li> <li><a class="reference internal" href="#exceptions">Exceptions</a></li> </ul> </li> </ul> <h4>Previous topic</h4> <p class="topless"><a href="lang/wordnet.html" title="previous chapter"><tt class="docutils literal"><span class="pre">lang.wordnet</span></tt> module</a></p> <h4>Next topic</h4> <p class="topless"><a href="qparser.html" title="next chapter"><tt class="docutils literal"><span class="pre">qparser</span></tt> module</a></p> <h3>This Page</h3> <ul class="this-page-menu"> <li><a 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