<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <link rel="STYLESHEET" href="modpython.css" type='text/css' /> <link rel="first" href="modpython.html" title='Mod_python Manual' /> <link rel='contents' href='contents.html' title="Contents" /> <link rel='index' href='genindex.html' title='Index' /> <link rel='last' href='about.html' title='About this document...' /> <link rel='help' href='about.html' title='About this document...' /> <link rel="next" href="hand-pub-alg-auth.html" /> <link rel="prev" href="hand-pub-alg-trav.html" /> <link rel="parent" href="hand-pub-alg.html" /> <link rel="next" href="hand-pub-alg-auth.html" /> <meta name='aesop' content='information' /> <title>7.1.2.2 Argument Matching and Invocation</title> </head> <body> <DIV CLASS="navigation"> <div id='top-navigation-panel' xml:id='top-navigation-panel'> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td class='online-navigation'><a rel="prev" title="7.1.2.1 Traversal" href="hand-pub-alg-trav.html"><img src='previous.png' border='0' height='32' alt='Previous Page' width='32' /></A></td> <td class='online-navigation'><a rel="parent" title="7.1.2 The Publishing Algorithm" href="hand-pub-alg.html"><img src='up.png' border='0' height='32' alt='Up One Level' width='32' /></A></td> <td class='online-navigation'><a rel="next" title="7.1.2.3 Authentication" href="hand-pub-alg-auth.html"><img src='next.png' border='0' height='32' alt='Next Page' width='32' /></A></td> <td align="center" width="100%">Mod_python Manual</td> <td class='online-navigation'><a rel="contents" title="Table of Contents" href="contents.html"><img src='contents.png' border='0' height='32' alt='Contents' width='32' /></A></td> <td class='online-navigation'><img src='blank.png' border='0' height='32' alt='' width='32' /></td> <td class='online-navigation'><a rel="index" title="Index" href="genindex.html"><img src='index.png' border='0' height='32' alt='Index' width='32' /></A></td> </tr></table> <div class='online-navigation'> <b class="navlabel">Previous:</b> <a class="sectref" rel="prev" href="hand-pub-alg-trav.html">7.1.2.1 Traversal</A> <b class="navlabel">Up:</b> <a class="sectref" rel="parent" href="hand-pub-alg.html">7.1.2 The Publishing Algorithm</A> <b class="navlabel">Next:</b> <a class="sectref" rel="next" href="hand-pub-alg-auth.html">7.1.2.3 Authentication</A> </div> <hr /></div> </DIV> <!--End of Navigation Panel--> <H3><A NAME="SECTION009122000000000000000"></A><A NAME="hand-pub-alg-args"></A> <BR> 7.1.2.2 Argument Matching and Invocation </H3> <P> Once the destination object is found, if it is callable and not a class, the Publisher handler will get a list of arguments that the object expects. This list is compared with names of fields from HTML form data submitted by the client via <code>POST</code> or <code>GET</code>. Values of fields whose names match the names of callable object arguments will be passed as strings. Any fields whose names do not match the names of callable argument objects will be silently dropped, unless the destination callable object has a <code>**kwargs</code> style argument, in which case fields with unmatched names will be passed in the <code>**kwargs</code> argument. <P> If the destination is not callable or is a class, then its string representation is returned to the client. <P> <DIV CLASS="navigation"> <div class='online-navigation'> <p></p><hr /> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td class='online-navigation'><a rel="prev" title="7.1.2.1 Traversal" href="hand-pub-alg-trav.html"><img src='previous.png' border='0' height='32' alt='Previous Page' width='32' /></A></td> <td class='online-navigation'><a rel="parent" title="7.1.2 The Publishing Algorithm" href="hand-pub-alg.html"><img src='up.png' border='0' height='32' alt='Up One Level' width='32' /></A></td> <td class='online-navigation'><a rel="next" title="7.1.2.3 Authentication" href="hand-pub-alg-auth.html"><img src='next.png' border='0' height='32' alt='Next Page' width='32' /></A></td> <td align="center" width="100%">Mod_python Manual</td> <td class='online-navigation'><a rel="contents" title="Table of Contents" href="contents.html"><img src='contents.png' border='0' height='32' alt='Contents' width='32' /></A></td> <td class='online-navigation'><img src='blank.png' border='0' height='32' alt='' width='32' /></td> <td class='online-navigation'><a rel="index" title="Index" href="genindex.html"><img src='index.png' border='0' height='32' alt='Index' width='32' /></A></td> </tr></table> <div class='online-navigation'> <b class="navlabel">Previous:</b> <a class="sectref" rel="prev" href="hand-pub-alg-trav.html">7.1.2.1 Traversal</A> <b class="navlabel">Up:</b> <a class="sectref" rel="parent" href="hand-pub-alg.html">7.1.2 The Publishing Algorithm</A> <b class="navlabel">Next:</b> <a class="sectref" rel="next" href="hand-pub-alg-auth.html">7.1.2.3 Authentication</A> </div> </div> <hr /> <span class="release-info">Release 3.3.1, documentation updated on January 29, 2007.</span> </DIV> <!--End of Navigation Panel--> </BODY> </HTML>
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