<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>12.4.1 Mailbox Objects </title> <META NAME="description" CONTENT="12.4.1 Mailbox 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="previous" href="module-mailbox.html"> <LINK REL="up" href="module-mailbox.html"> <LINK REL="next" href="module-mhlib.html"> </head> <body> <DIV CLASS="navigation"> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td><A href="module-mailbox.html"><img src="../icons/previous.gif" border="0" height="32" alt="Previous Page" width="32"></A></td> <td><A href="module-mailbox.html"><img src="../icons/up.gif" border="0" height="32" alt="Up One Level" width="32"></A></td> <td><A href="module-mhlib.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-mailbox.html">12.4 mailbox </A> <b class="navlabel">Up:</b> <a class="sectref" href="module-mailbox.html">12.4 mailbox </A> <b class="navlabel">Next:</b> <a class="sectref" href="module-mhlib.html">12.5 mhlib </A> <br><hr> </DIV> <!--End of Navigation Panel--> <H2><A NAME="SECTION0014410000000000000000"> </A> <BR> 12.4.1 Mailbox Objects </H2> <P> All implementations of mailbox objects are iterable objects, and have one externally visible method. This method is used by iterators created from mailbox objects and may also be used directly. <P> <dl><dt><b><a name="l2h-2876"><tt class="method">next</tt></a></b>() <dd> Return the next message in the mailbox, created with the optional <var>factory</var> argument passed into the mailbox object's constructor. By default this is an <tt class="class">rfc822.Message</tt> object (see the <tt class="module"><a href="module-rfc822.html">rfc822</a></tt> module). Depending on the mailbox implementation the <var>fp</var> attribute of this object may be a true file object or a class instance simulating a file object, taking care of things like message boundaries if multiple mail messages are contained in a single file, etc. If no more messages are available, this method returns <code>None</code>. </dl> <DIV CLASS="navigation"> <p><hr> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td><A href="module-mailbox.html"><img src="../icons/previous.gif" border="0" height="32" alt="Previous Page" width="32"></A></td> <td><A href="module-mailbox.html"><img src="../icons/up.gif" border="0" height="32" alt="Up One Level" width="32"></A></td> <td><A href="module-mhlib.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-mailbox.html">12.4 mailbox </A> <b class="navlabel">Up:</b> <a class="sectref" href="module-mailbox.html">12.4 mailbox </A> <b class="navlabel">Next:</b> <a class="sectref" href="module-mhlib.html">12.5 mhlib </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>
