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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="X-UA-Compatible" content="IE=Edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>19.10. xml.dom.pulldom — Support for building partial DOM trees — Python 2.7.18 documentation</title> <link rel="stylesheet" href="../_static/classic.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></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/language_data.js"></script> <script type="text/javascript" src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python 2.7.18 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="index" title="Index" href="../genindex.html" /> <link rel="search" title="Search" href="../search.html" /> <link rel="copyright" title="Copyright" href="../copyright.html" /> <link rel="next" title="19.11. xml.sax — Support for SAX2 parsers" href="xml.sax.html" /> <link rel="prev" title="19.9. xml.dom.minidom — Minimal DOM implementation" href="xml.dom.minidom.html" /> <link rel="shortcut icon" type="image/png" href="../_static/py.png" /> <link rel="canonical" href="file:///usr/share/doc/python2.7/html/library/xml.dom.pulldom.html" /> <script type="text/javascript" src="../_static/copybutton.js"></script> </head><body> <div id="outdated-warning" style="padding: .5em; text-align: center; background-color: #FFBABA; color: #6A0E0E;"> This document is for an old version of Python that is <a href="https://devguide.python.org/devcycle/#end-of-life-branches">no longer supported</a>. You should install the python3 and python3-doc packages and read the <a href="file:///usr/share/doc/python3-doc/html/library/xml.dom.pulldom.html"> Python documentation for the Python3 version packaged in this release</a>. </div> <div class="related" role="navigation" aria-label="related navigation"> <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="xml.sax.html" title="19.11. xml.sax — Support for SAX2 parsers" accesskey="N">next</a> |</li> <li class="right" > <a href="xml.dom.minidom.html" title="19.9. xml.dom.minidom — Minimal DOM implementation" accesskey="P">previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="https://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.18 documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> <li class="nav-item nav-item-2"><a href="markup.html" accesskey="U">19. Structured Markup Processing Tools</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <div class="section" id="module-xml.dom.pulldom"> <span id="xml-dom-pulldom-support-for-building-partial-dom-trees"></span><h1>19.10. <a class="reference internal" href="#module-xml.dom.pulldom" title="xml.dom.pulldom: Support for building partial DOM trees from SAX events."><code class="xref py py-mod docutils literal notranslate"><span class="pre">xml.dom.pulldom</span></code></a> — Support for building partial DOM trees<a class="headerlink" href="#module-xml.dom.pulldom" title="Permalink to this headline">¶</a></h1> <div class="versionadded"> <p><span class="versionmodified">New in version 2.0.</span></p> </div> <p><strong>Source code:</strong> <a class="reference external" href="https://github.com/python/cpython/tree/2.7/Lib/xml/dom/pulldom.py">Lib/xml/dom/pulldom.py</a></p> <hr class="docutils" /> <p><a class="reference internal" href="#module-xml.dom.pulldom" title="xml.dom.pulldom: Support for building partial DOM trees from SAX events."><code class="xref py py-mod docutils literal notranslate"><span class="pre">xml.dom.pulldom</span></code></a> allows building only selected portions of a Document Object Model representation of a document from SAX events.</p> <div class="admonition warning"> <p class="first admonition-title">Warning</p> <p class="last">The <a class="reference internal" href="#module-xml.dom.pulldom" title="xml.dom.pulldom: Support for building partial DOM trees from SAX events."><code class="xref py py-mod docutils literal notranslate"><span class="pre">xml.dom.pulldom</span></code></a> module is not secure against maliciously constructed data. If you need to parse untrusted or unauthenticated data see <a class="reference internal" href="xml.html#xml-vulnerabilities"><span class="std std-ref">XML vulnerabilities</span></a>.</p> </div> <dl class="class"> <dt id="xml.dom.pulldom.PullDOM"> <em class="property">class </em><code class="descclassname">xml.dom.pulldom.</code><code class="descname">PullDOM</code><span class="sig-paren">(</span><span class="optional">[</span><em>documentFactory</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#xml.dom.pulldom.PullDOM" title="Permalink to this definition">¶</a></dt> <dd><p><a class="reference internal" href="xml.sax.handler.html#xml.sax.handler.ContentHandler" title="xml.sax.handler.ContentHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">xml.sax.handler.ContentHandler</span></code></a> implementation that …</p> </dd></dl> <dl class="class"> <dt id="xml.dom.pulldom.DOMEventStream"> <em class="property">class </em><code class="descclassname">xml.dom.pulldom.</code><code class="descname">DOMEventStream</code><span class="sig-paren">(</span><em>stream</em>, <em>parser</em>, <em>bufsize</em><span class="sig-paren">)</span><a class="headerlink" href="#xml.dom.pulldom.DOMEventStream" title="Permalink to this definition">¶</a></dt> <dd><p>…</p> </dd></dl> <dl class="class"> <dt id="xml.dom.pulldom.SAX2DOM"> <em class="property">class </em><code class="descclassname">xml.dom.pulldom.</code><code class="descname">SAX2DOM</code><span class="sig-paren">(</span><span class="optional">[</span><em>documentFactory</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#xml.dom.pulldom.SAX2DOM" title="Permalink to this definition">¶</a></dt> <dd><p><a class="reference internal" href="xml.sax.handler.html#xml.sax.handler.ContentHandler" title="xml.sax.handler.ContentHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">xml.sax.handler.ContentHandler</span></code></a> implementation that …</p> </dd></dl> <dl class="function"> <dt id="xml.dom.pulldom.parse"> <code class="descclassname">xml.dom.pulldom.</code><code class="descname">parse</code><span class="sig-paren">(</span><em>stream_or_string</em><span class="optional">[</span>, <em>parser</em><span class="optional">[</span>, <em>bufsize</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#xml.dom.pulldom.parse" title="Permalink to this definition">¶</a></dt> <dd><p>…</p> </dd></dl> <dl class="function"> <dt id="xml.dom.pulldom.parseString"> <code class="descclassname">xml.dom.pulldom.</code><code class="descname">parseString</code><span class="sig-paren">(</span><em>string</em><span class="optional">[</span>, <em>parser</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#xml.dom.pulldom.parseString" title="Permalink to this definition">¶</a></dt> <dd><p>…</p> </dd></dl> <dl class="data"> <dt id="xml.dom.pulldom.default_bufsize"> <code class="descclassname">xml.dom.pulldom.</code><code class="descname">default_bufsize</code><a class="headerlink" href="#xml.dom.pulldom.default_bufsize" title="Permalink to this definition">¶</a></dt> <dd><p>Default value for the <em>bufsize</em> parameter to <a class="reference internal" href="#xml.dom.pulldom.parse" title="xml.dom.pulldom.parse"><code class="xref py py-func docutils literal notranslate"><span class="pre">parse()</span></code></a>.</p> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 2.1: </span>The value of this variable can be changed before calling <a class="reference internal" href="#xml.dom.pulldom.parse" title="xml.dom.pulldom.parse"><code class="xref py py-func docutils literal notranslate"><span class="pre">parse()</span></code></a> and the new value will take effect.</p> </div> </dd></dl> <div class="section" id="domeventstream-objects"> <span id="id1"></span><h2>19.10.1. DOMEventStream Objects<a class="headerlink" href="#domeventstream-objects" title="Permalink to this headline">¶</a></h2> <dl class="method"> <dt id="xml.dom.pulldom.DOMEventStream.getEvent"> <code class="descclassname">DOMEventStream.</code><code class="descname">getEvent</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#xml.dom.pulldom.DOMEventStream.getEvent" title="Permalink to this definition">¶</a></dt> <dd><p>…</p> </dd></dl> <dl class="method"> <dt id="xml.dom.pulldom.DOMEventStream.expandNode"> <code class="descclassname">DOMEventStream.</code><code class="descname">expandNode</code><span class="sig-paren">(</span><em>node</em><span class="sig-paren">)</span><a class="headerlink" href="#xml.dom.pulldom.DOMEventStream.expandNode" title="Permalink to this definition">¶</a></dt> <dd><p>…</p> </dd></dl> <dl class="method"> <dt id="xml.dom.pulldom.DOMEventStream.reset"> <code class="descclassname">DOMEventStream.</code><code class="descname">reset</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#xml.dom.pulldom.DOMEventStream.reset" title="Permalink to this definition">¶</a></dt> <dd><p>…</p> </dd></dl> </div> </div> </div> </div> </div> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <h3><a href="../contents.html">Table of Contents</a></h3> <ul> <li><a class="reference internal" href="#">19.10. <code class="docutils literal notranslate"><span class="pre">xml.dom.pulldom</span></code> — Support for building partial DOM trees</a><ul> <li><a class="reference internal" href="#domeventstream-objects">19.10.1. DOMEventStream Objects</a></li> </ul> </li> </ul> <h4>Previous topic</h4> <p class="topless"><a href="xml.dom.minidom.html" title="previous chapter">19.9. <code class="docutils literal notranslate"><span class="pre">xml.dom.minidom</span></code> — Minimal DOM implementation</a></p> <h4>Next topic</h4> <p class="topless"><a href="xml.sax.html" title="next chapter">19.11. <code class="docutils literal notranslate"><span class="pre">xml.sax</span></code> — Support for SAX2 parsers</a></p> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../_sources/library/xml.dom.pulldom.rst.txt" rel="nofollow">Show Source</a></li> </ul> </div> <div id="searchbox" style="display: none" role="search"> <h3>Quick search</h3> <div class="searchformwrapper"> <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> </div> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related" role="navigation" aria-label="related navigation"> <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="xml.sax.html" title="19.11. xml.sax — Support for SAX2 parsers" >next</a> |</li> <li class="right" > <a href="xml.dom.minidom.html" title="19.9. xml.dom.minidom — Minimal DOM implementation" >previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="https://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.18 documentation</a> » </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li> <li class="nav-item nav-item-2"><a href="markup.html" >19. 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