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  <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.NoProcessConsumer">
<em class="property">
class </em><tt class="descclassname">celery.messaging.</tt><tt class="descname">NoProcessConsumer</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.NoProcessConsumer" title="Permalink to this definition">¶</a></dt>
<dd>A consumer that raises an error if used with wait callbacks (i.e.
it doesn&#8217;t support <tt class="xref docutils literal"><span class="pre">carrot.messaging.Consumer.wait`()</span></tt>).</dd></dl>

<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>The AMQP Task Consumer class.</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><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>task_name</em>, <em>taskset_id</em>, <em>task_args</em>, <em>task_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.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><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>

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