| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">  <head>    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />        <title>Messaging - celery.messaging — Celery v0.3.11 (unstable) documentation</title>    <link rel="stylesheet" href="../static/agogo.css" type="text/css" />    <link rel="stylesheet" href="../static/pygments.css" type="text/css" />    <script type="text/javascript">      var DOCUMENTATION_OPTIONS = {      URL_ROOT:    '../',      VERSION:     '0.3.11 (unstable)',      COLLAPSE_MODINDEX: false,      FILE_SUFFIX: '.html',      HAS_SOURCE:  true      };    </script>    <script type="text/javascript" src="../static/jquery.js"></script>    <script type="text/javascript" src="../static/doctools.js"></script>    <link rel="top" title="Celery v0.3.11 (unstable) documentation" href="../index.html" />    <link rel="up" title="Module API Reference" href="index.html" />    <link rel="next" title="Timers - celery.timer" href="celery.timer.html" />    <link rel="prev" title="Django Models - celery.models" href="celery.models.html" />   </head>  <body>    <div class="header-wrapper">      <div class="header">	<h1><a href="../index.html">Celery v0.3.11 (unstable) documentation</a></h1>	<div class="rel">          <a href="../genindex.html" title="General Index"             accesskey="I">index</a> |          <a href="../modindex.html" title="Global Module Index"             accesskey="M">modules</a> |          <a href="celery.timer.html" title="Timers - celery.timer"             accesskey="N">next</a> |          <a href="celery.models.html" title="Django Models - celery.models"             accesskey="P">previous</a>	</div>      </div>    </div>    <div class="content-wrapper">      <div class="content">	<div class="document">	  <div class="documentwrapper">	    <div class="bodywrapper">	      <div class="body">		  <div class="section" id="module-celery.messaging"><h1>Messaging - celery.messaging<a class="headerlink" href="#module-celery.messaging" title="Permalink to this headline">¶</a></h1><p>Sending and Receiving Messages</p><dl class="class"><dt id="celery.messaging.TaskConsumer"><em class="property">class </em><tt class="descclassname">celery.messaging.</tt><tt class="descname">TaskConsumer</tt><big>(</big><em>connection</em>, <em>queue=None</em>, <em>exchange=None</em>, <em>routing_key=None</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.messaging.TaskConsumer" title="Permalink to this definition">¶</a></dt><dd><p>The AMQP Task Consumer class.</p><dl class="method"><dt id="celery.messaging.TaskConsumer.decoder"><tt class="descname">decoder</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.messaging.TaskConsumer.decoder" title="Permalink to this definition">¶</a></dt><dd>loads(string) – Load a pickle from the given string</dd></dl></dd></dl><dl class="class"><dt id="celery.messaging.TaskPublisher"><em class="property">class </em><tt class="descclassname">celery.messaging.</tt><tt class="descname">TaskPublisher</tt><big>(</big><em>connection</em>, <em>exchange=None</em>, <em>routing_key=None</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.messaging.TaskPublisher" title="Permalink to this definition">¶</a></dt><dd><p>The AMQP Task Publisher class.</p><dl class="method"><dt id="celery.messaging.TaskPublisher.delay_task"><tt class="descname">delay_task</tt><big>(</big><em>task_name</em>, <em>task_args</em>, <em>task_kwargs</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.messaging.TaskPublisher.delay_task" title="Permalink to this definition">¶</a></dt><dd>Delay task for execution by the celery nodes.</dd></dl><dl class="method"><dt id="celery.messaging.TaskPublisher.delay_task_in_set"><tt class="descname">delay_task_in_set</tt><big>(</big><em>taskset_id</em>, <em>task_name</em>, <em>task_args</em>, <em>task_kwargs</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.messaging.TaskPublisher.delay_task_in_set" title="Permalink to this definition">¶</a></dt><dd>Delay a task which part of a task set.</dd></dl><dl class="method"><dt id="celery.messaging.TaskPublisher.encoder"><tt class="descname">encoder</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.messaging.TaskPublisher.encoder" title="Permalink to this definition">¶</a></dt><dd><p>dumps(obj, protocol=0) – Return a string containing an object in pickle format.</p><p>See the Pickler docstring for the meaning of optional argument proto.</p></dd></dl><dl class="method"><dt id="celery.messaging.TaskPublisher.requeue_task"><tt class="descname">requeue_task</tt><big>(</big><em>task_name</em>, <em>task_id</em>, <em>task_args</em>, <em>task_kwargs</em>, <em>part_of_set=None</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.messaging.TaskPublisher.requeue_task" title="Permalink to this definition">¶</a></dt><dd>Requeue a failed task.</dd></dl></dd></dl></div>	      </div>	    </div>	  </div>	</div>	<div class="sidebar">	  <h3>Contents</h3>	  <ul class="current"><li class="toctree-l1"><a class="reference external" href="../introduction.html">celery - Distributed Task Queue for Django.</a></li><li class="toctree-l1"><a class="reference external" href="../faq.html">Frequently Asked Questions</a></li><li class="toctree-l1 current"><a class="reference external" href="index.html">Module API Reference</a><ul class="current"><li class="toctree-l2"><a class="reference external" href="celery.task.html">Tasks - celery.task</a></li><li class="toctree-l2"><a class="reference external" href="celery.result.html">Task Result - celery.result</a></li><li class="toctree-l2"><a class="reference external" href="celery.registry.html">Task Registry - celery.registry</a></li><li class="toctree-l2"><a class="reference external" href="celery.discovery.html">Task Discovery - celery.discovery</a></li><li class="toctree-l2"><a class="reference external" href="celery.monitoring.html">Statistics and Monitoring - celery.monitoring</a></li><li class="toctree-l2"><a class="reference external" href="celery.worker.html">Multiprocessing Worker - celery.worker</a></li><li class="toctree-l2"><a class="reference external" href="celery.pool.html">Task Pool - celery.pool</a></li><li class="toctree-l2"><a class="reference external" href="celery.backends.html">Backends - celery.backends</a></li><li class="toctree-l2"><a class="reference external" href="celery.backends.base.html">Backend: Base - celery.backends.base</a></li><li class="toctree-l2"><a class="reference external" href="celery.backends.database.html">Backend: Database - celery.backends.database</a></li><li class="toctree-l2"><a class="reference external" href="celery.backends.cache.html">Backend: Cache - celery.backends.cache</a></li><li class="toctree-l2"><a class="reference external" href="celery.backends.tyrant.html">Backend: Tokyo Tyrant - celery.backends.tyrant</a></li><li class="toctree-l2"><a class="reference external" href="celery.conf.html">Configuration - celery.conf</a></li><li class="toctree-l2"><a class="reference external" href="celery.datastructures.html">Datastructures - celery.datastructures</a></li><li class="toctree-l2"><a class="reference external" href="celery.log.html">Logging - celery.log</a></li><li class="toctree-l2"><a class="reference external" href="celery.managers.html">Django Model Managers - celery.managers</a></li><li class="toctree-l2"><a class="reference external" href="celery.models.html">Django Models - celery.models</a></li><li class="toctree-l2 current"><a class="current reference external" href="">Messaging - celery.messaging</a></li><li class="toctree-l2"><a class="reference external" href="celery.timer.html">Timers - celery.timer</a></li><li class="toctree-l2"><a class="reference external" href="celery.bin.celeryd.html">Celery Worker Daemon - celery.bin.celeryd</a></li></ul></li><li class="toctree-l1"><a class="reference external" href="../changelog.html">Change history</a></li></ul>	  <h3 style="margin-top: 1.5em;">Search</h3>	  <form class="search" action="../search.html" method="get">            <input type="text" name="q" size="18" />            <input type="submit" value="Go" />            <input type="hidden" name="check_keywords" value="yes" />            <input type="hidden" name="area" value="default" />          </form>          <p class="searchtip" style="font-size: 90%">            Enter search terms or a module, class or function name.          </p>	</div>	<div class="clearer"></div>      </div>    </div>    <div class="footer-wrapper">      <div class="footer">	<div class="left">          <a href="../genindex.html" title="General Index"             >index</a> |          <a href="../modindex.html" title="Global Module Index"             >modules</a> |          <a href="celery.timer.html" title="Timers - 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