<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>13.6.1 Module Contents</title> <META NAME="description" CONTENT="13.6.1 Module Contents"> <META NAME="keywords" CONTENT="lib"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <meta http-equiv="Content-Type" content="text/html; charset="> <link rel="STYLESHEET" href="lib.css"> <link rel="first" href="lib.html"> <link rel="contents" href="contents.html" title="Contents"> <link rel="index" href="genindex.html" title="Index"> <LINK REL="next" HREF="node438.html"> <LINK REL="previous" href="module-xml.dom.html"> <LINK REL="up" href="module-xml.dom.html"> <LINK REL="next" HREF="node438.html"> </head> <body> <DIV CLASS="navigation"> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td><A href="module-xml.dom.html"><img src="../icons/previous.gif" border="0" height="32" alt="Previous Page" width="32"></A></td> <td><A href="module-xml.dom.html"><img src="../icons/up.gif" border="0" height="32" alt="Up One Level" width="32"></A></td> <td><A HREF="node438.html"><img src="../icons/next.gif" border="0" height="32" alt="Next Page" width="32"></A></td> <td align="center" width="100%">Python Library Reference</td> <td><A href="contents.html"><img src="../icons/contents.gif" border="0" height="32" alt="Contents" width="32"></A></td> <td><a href="modindex.html" title="Module Index"><img src="../icons/modules.gif" border="0" height="32" alt="Module Index" width="32"></a></td> <td><A href="genindex.html"><img src="../icons/index.gif" border="0" height="32" alt="Index" width="32"></A></td> </tr></table> <b class="navlabel">Previous:</b> <a class="sectref" href="module-xml.dom.html">13.6 xml.dom </A> <b class="navlabel">Up:</b> <a class="sectref" href="module-xml.dom.html">13.6 xml.dom </A> <b class="navlabel">Next:</b> <a class="sectref" HREF="node438.html">13.6.2 Objects in the</A> <br><hr> </DIV> <!--End of Navigation Panel--> <H2><A NAME="SECTION0015610000000000000000"> 13.6.1 Module Contents</A> </H2> <P> The <tt class="module">xml.dom</tt> contains the following functions: <P> <dl><dt><b><a name="l2h-3201"><tt class="function">registerDOMImplementation</tt></a></b>(<var>name, factory</var>) <dd> Register the <var>factory</var> function with the name <var>name</var>. The factory function should return an object which implements the <tt class="class">DOMImplementation</tt> interface. The factory function can return the same object every time, or a new one for each call, as appropriate for the specific implementation (e.g. if that implementation supports some customization). </dl> <P> <dl><dt><b><a name="l2h-3202"><tt class="function">getDOMImplementation</tt></a></b>(<big>[</big><var>name</var><big>[</big><var>, features</var><big>]</big><big>]</big>) <dd> Return a suitable DOM implementation. The <var>name</var> is either well-known, the module name of a DOM implementation, or <code>None</code>. If it is not <code>None</code>, imports the corresponding module and returns a <tt class="class">DOMImplementation</tt> object if the import succeeds. If no name is given, and if the environment variable <a class="envvar" name="l2h-3207">PYTHON_DOM</a> is set, this variable is used to find the implementation. <P> If name is not given, this examines the available implementations to find one with the required feature set. If no implementation can be found, raise an <tt class="exception">ImportError</tt>. The features list must be a sequence of <code>(<var>feature</var>, <var>version</var>)</code> pairs which are passed to the <tt class="method">hasFeature()</tt> method on available <tt class="class">DOMImplementation</tt> objects. </dl> <P> Some convenience constants are also provided: <P> <dl><dt><b><a name="l2h-3203"><tt>EMPTY_NAMESPACE</tt></a></b> <dd> The value used to indicate that no namespace is associated with a node in the DOM. This is typically found as the <tt class="member">namespaceURI</tt> of a node, or used as the <var>namespaceURI</var> parameter to a namespaces-specific method. <span class="versionnote">New in version 2.2.</span> </dl> <P> <dl><dt><b><a name="l2h-3204"><tt>XML_NAMESPACE</tt></a></b> <dd> The namespace URI associated with the reserved prefix <code>xml</code>, as defined by <em class="citetitle"><a href="http://www.w3.org/TR/REC-xml-names/" title="Namespaces in XML" >Namespaces in XML</a></em> (section 4). <span class="versionnote">New in version 2.2.</span> </dl> <P> <dl><dt><b><a name="l2h-3205"><tt>XMLNS_NAMESPACE</tt></a></b> <dd> The namespace URI for namespace declarations, as defined by <em class="citetitle"><a href="http://www.w3.org/TR/DOM-Level-2-Core/core.html" title="Document Object Model (DOM) Level 2 Core Specification" >Document Object Model (DOM) Level 2 Core Specification</a></em> (section 1.1.8). <span class="versionnote">New in version 2.2.</span> </dl> <P> <dl><dt><b><a name="l2h-3206"><tt>XHTML_NAMESPACE</tt></a></b> <dd> The URI of the XHTML namespace as defined by <em class="citetitle"><a href="http://www.w3.org/TR/xhtml1/" title="XHTML 1.0: The Extensible HyperText Markup Language" >XHTML 1.0: The Extensible HyperText Markup Language</a></em> (section 3.1.1). <span class="versionnote">New in version 2.2.</span> </dl> <P> In addition, <tt class="module">xml.dom</tt> contains a base <tt class="class">Node</tt> class and the DOM exception classes. The <tt class="class">Node</tt> class provided by this module does not implement any of the methods or attributes defined by the DOM specification; concrete DOM implementations must provide those. The <tt class="class">Node</tt> class provided as part of this module does provide the constants used for the <tt class="member">nodeType</tt> attribute on concrete <tt class="class">Node</tt> objects; they are located within the class rather than at the module level to conform with the DOM specifications. <P> <DIV CLASS="navigation"> <p><hr> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td><A href="module-xml.dom.html"><img src="../icons/previous.gif" border="0" height="32" alt="Previous Page" width="32"></A></td> <td><A href="module-xml.dom.html"><img src="../icons/up.gif" border="0" height="32" alt="Up One Level" width="32"></A></td> <td><A HREF="node438.html"><img src="../icons/next.gif" border="0" height="32" alt="Next Page" width="32"></A></td> <td align="center" width="100%">Python Library Reference</td> <td><A href="contents.html"><img src="../icons/contents.gif" border="0" height="32" alt="Contents" width="32"></A></td> <td><a href="modindex.html" title="Module Index"><img src="../icons/modules.gif" border="0" height="32" alt="Module Index" width="32"></a></td> <td><A href="genindex.html"><img src="../icons/index.gif" border="0" height="32" alt="Index" width="32"></A></td> </tr></table> <b class="navlabel">Previous:</b> <a class="sectref" href="module-xml.dom.html">13.6 xml.dom </A> <b class="navlabel">Up:</b> <a class="sectref" href="module-xml.dom.html">13.6 xml.dom </A> <b class="navlabel">Next:</b> <a class="sectref" HREF="node438.html">13.6.2 Objects in the</A> <hr> <span class="release-info">Release 2.2, documentation updated on December 21, 2001.</span> </DIV> <!--End of Navigation Panel--> <ADDRESS> See <i><a href="about.html">About this document...</a></i> for information on suggesting changes. </ADDRESS> </BODY> </HTML>
