<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>11.5.5 ProxyHandler Objects </title> <META NAME="description" CONTENT="11.5.5 ProxyHandler Objects "> <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="http-password-mgr.html"> <LINK REL="previous" href="http-redirect-handler.html"> <LINK REL="up" href="module-urllib2.html"> <LINK REL="next" href="http-password-mgr.html"> </head> <body> <DIV CLASS="navigation"> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td><A href="http-redirect-handler.html"><img src="../icons/previous.gif" border="0" height="32" alt="Previous Page" width="32"></A></td> <td><A href="module-urllib2.html"><img src="../icons/up.gif" border="0" height="32" alt="Up One Level" width="32"></A></td> <td><A href="http-password-mgr.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="http-redirect-handler.html">11.5.4 HTTPRedirectHandler Objects</A> <b class="navlabel">Up:</b> <a class="sectref" href="module-urllib2.html">11.5 urllib2 </A> <b class="navlabel">Next:</b> <a class="sectref" href="http-password-mgr.html">11.5.6 HTTPPasswordMgr Objects</A> <br><hr> </DIV> <!--End of Navigation Panel--> <H2><A NAME="SECTION0013550000000000000000"> </A> <BR> 11.5.5 ProxyHandler Objects </H2> <P> <dl><dt><b><var>protocol</var>_open</b>(<var>request</var>) <dd> The <tt class="class">ProxyHandler</tt> will have a method <tt class="method"><var>protocol</var>_open()</tt> for every <var>protocol</var> which has a proxy in the <var>proxies</var> dictionary given in the constructor. The method will modify requests to go through the proxy, by calling <code>request.set_proxy()</code>, and call the next handler in the chain to actually execute the protocol. </dl> <P> <DIV CLASS="navigation"> <p><hr> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td><A href="http-redirect-handler.html"><img src="../icons/previous.gif" border="0" height="32" alt="Previous Page" width="32"></A></td> <td><A href="module-urllib2.html"><img src="../icons/up.gif" border="0" height="32" alt="Up One Level" width="32"></A></td> <td><A href="http-password-mgr.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="http-redirect-handler.html">11.5.4 HTTPRedirectHandler Objects</A> <b class="navlabel">Up:</b> <a class="sectref" href="module-urllib2.html">11.5 urllib2 </A> <b class="navlabel">Next:</b> <a class="sectref" href="http-password-mgr.html">11.5.6 HTTPPasswordMgr Objects</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>