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<title>13. Structured Markup Processing Tools </title>
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<H1><A NAME="SECTION0015000000000000000000"></A><A NAME="markup"></A>
<BR>
13. Structured Markup Processing Tools

</H1>

<P>
Python supports a variety of modules to work with various forms of
structured data markup.  This includes modules to work with the
Standard Generalized Markup Language (SGML) and the Hypertext Markup
Language (HTML), and several interfaces for working with the
Extensible Markup Language (XML).

<P>
It is important to note that modules in the <tt class="module">xml</tt> package
require that there be at least one SAX-compliant XML parser available.
Starting with Python 2.3, the Expat parser is included with Python, so
the <tt class="module"><a href="module-xml.parsers.expat.html">xml.parsers.expat</a></tt> module will always be available.
You may still want to be aware of the <a class="ulink" href="http://pyxml.sourceforge.net/"
  >PyXML add-on
package</a>; that package provides an
extended set of XML libraries for Python.

<P>
The documentation for the <tt class="module">xml.dom</tt> and <tt class="module">xml.sax</tt>
packages are the definition of the Python bindings for the DOM and SAX
interfaces.

<P>
<table class='synopsistable' valign='baseline'>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-HTMLParser.html'>HTMLParser</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>A simple parser that can handle HTML and XHTML.</td></tr>
  <tr><td><b><tt class='module'><a href='module-sgmllib.html'>sgmllib</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Only as much of an SGML parser as needed to parse HTML.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-htmllib.html'>htmllib</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>A parser for HTML documents.</td></tr>
  <tr><td><b><tt class='module'><a href='module-htmlentitydefs.html'>htmlentitydefs</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Definitions of HTML general entities.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-xml.parsers.expat.html'>xml.parsers.expat</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>An interface to the Expat non-validating XML parser.</td></tr>
  <tr><td><b><tt class='module'><a href='module-xml.dom.html'>xml.dom</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Document Object Model API for Python.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-xml.dom.minidom.html'>xml.dom.minidom</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Lightweight Document Object Model (DOM) implementation.</td></tr>
  <tr><td><b><tt class='module'><a href='module-xml.dom.pulldom.html'>xml.dom.pulldom</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Support for building partial DOM trees from SAX events.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-xml.sax.html'>xml.sax</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Package containing SAX2 base classes and convenience
                functions.</td></tr>
  <tr><td><b><tt class='module'><a href='module-xml.sax.handler.html'>xml.sax.handler</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Base classes for SAX event handlers.</td></tr>
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      <td><b><tt class='module'><a href='module-xml.sax.saxutils.html'>xml.sax.saxutils</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Convenience functions and classes for use with SAX.</td></tr>
  <tr><td><b><tt class='module'><a href='module-xml.sax.xmlreader.html'>xml.sax.xmlreader</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Interface which SAX-compliant XML parsers must implement.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-xmllib.html'>xmllib</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>A parser for XML documents.</td></tr>
</table>

<BR>
<P>
<div class="seealso">
  <p class="heading">See Also:</p>

  <dl compact="compact" class="seetitle">
    <dt><em class="citetitle"><a href="http://pyxml.sourceforge.net/"
        >Python/XML Libraries</a></em></dt>
    <dd>Home page for the PyXML package, containing an extension
            of <tt class="module">xml</tt> package bundled with Python.</dd>
  </dl>
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<span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span>
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