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  <div class="section" id="module-celery.execute">
<h1>Executing Tasks - celery.execute<a class="headerlink" href="#module-celery.execute" title="Permalink to this headline">¶</a></h1>
<dl class="function">
<dt id="celery.execute.apply">
<tt class="descclassname">celery.execute.</tt><tt class="descname">apply</tt><big>(</big><em>task</em>, <em>args</em>, <em>kwargs</em>, <em>**ignored</em><big>)</big><a class="headerlink" href="#celery.execute.apply" title="Permalink to this definition">¶</a></dt>
<dd><p>Apply the task locally.</p>
<p>This will block until the task completes, and returns a
<a title="celery.result.EagerResult" class="reference external" href="celery.result.html#celery.result.EagerResult"><tt class="xref docutils literal"><span class="pre">celery.result.EagerResult</span></tt></a> instance.</p>
</dd></dl>

<dl class="function">
<dt id="celery.execute.apply_async">
<tt class="descclassname">celery.execute.</tt><tt class="descname">apply_async</tt><big>(</big><em>task</em>, <em>args=None</em>, <em>kwargs=None</em>, <em>routing_key=None</em>, <em>immediate=None</em>, <em>mandatory=None</em>, <em>connection=None</em>, <em>connect_timeout=4</em>, <em>priority=None</em>, <em>countdown=None</em>, <em>eta=None</em>, <em>**opts</em><big>)</big><a class="headerlink" href="#celery.execute.apply_async" title="Permalink to this definition">¶</a></dt>
<dd><p>Run a task asynchronously by the celery daemon(s).</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><em>task</em> &#8211; The task to run (a callable object, or a <tt class="xref docutils literal"><span class="pre">Task</span></tt>
instance</li>
<li><em>args</em> &#8211; The positional arguments to pass on to the task (a <tt class="docutils literal"><span class="pre">list</span></tt>).</li>
<li><em>kwargs</em> &#8211; The keyword arguments to pass on to the task (a <tt class="docutils literal"><span class="pre">dict</span></tt>)</li>
<li><em>countdown</em> &#8211; Number of seconds into the future that the task should
execute. Defaults to immediate delivery (Do not confuse that with
the <tt class="docutils literal"><span class="pre">immediate</span></tt> setting, they are unrelated).</li>
<li><em>eta</em> &#8211; A <tt class="xref docutils literal"><span class="pre">datetime.datetime</span></tt> object that describes the
absolute time when the task should execute. May not be specified
if <tt class="docutils literal"><span class="pre">countdown</span></tt> is also supplied. (Do not confuse this with the
<tt class="docutils literal"><span class="pre">immediate</span></tt> setting, they are unrelated).</li>
<li><em>routing_key</em> &#8211; The routing key used to route the task to a worker
server.</li>
<li><em>immediate</em> &#8211; Request immediate delivery. Will raise an exception
if the task cannot be routed to a worker immediately.
(Do not confuse this parameter with the <tt class="docutils literal"><span class="pre">countdown</span></tt> and <tt class="docutils literal"><span class="pre">eta</span></tt>
settings, as they are unrelated).</li>
<li><em>mandatory</em> &#8211; Mandatory routing. Raises an exception if there&#8217;s
no running workers able to take on this task.</li>
<li><em>connection</em> &#8211; Re-use existing AMQP connection.
The <tt class="docutils literal"><span class="pre">connect_timeout</span></tt> argument is not respected if this is set.</li>
<li><em>connect_timeout</em> &#8211; The timeout in seconds, before we give up
on establishing a connection to the AMQP server.</li>
<li><em>priority</em> &#8211; The task priority, a number between <tt class="docutils literal"><span class="pre">0</span></tt> and <tt class="docutils literal"><span class="pre">9</span></tt>.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="function">
<dt id="celery.execute.delay_task">
<tt class="descclassname">celery.execute.</tt><tt class="descname">delay_task</tt><big>(</big><em>task_name</em>, <em>*args</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.execute.delay_task" title="Permalink to this definition">¶</a></dt>
<dd><p>Delay a task for execution by the <tt class="docutils literal"><span class="pre">celery</span></tt> daemon.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><em>task_name</em> &#8211; the name of a task registered in the task registry.</li>
<li><em>*args</em> &#8211; positional arguments to pass on to the task.</li>
<li><em>**kwargs</em> &#8211; keyword arguments to pass on to the task.</li>
</ul>
</td>
</tr>
<tr class="field"><th class="field-name" colspan="2">Raises <a title="celery.registry.NotRegistered" class="reference external" href="celery.registry.html#celery.registry.NotRegistered">celery.registry.NotRegistered</a>:</th></tr>
<tr><td>&nbsp;</td><td class="field-body"><p class="first">exception if no such task
has been registered in the task registry.</p>
</td>
</tr>
<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last"><a title="celery.result.AsyncResult" class="reference external" href="celery.result.html#celery.result.AsyncResult"><tt class="xref docutils literal"><span class="pre">celery.result.AsyncResult</span></tt></a>.</p>
</td>
</tr>
</tbody>
</table>
<p>Example</p>
<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">r</span> <span class="o">=</span> <span class="n">delay_task</span><span class="p">(</span><span class="s">&quot;update_record&quot;</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="s">&quot;George Constanza&quot;</span><span class="p">,</span> <span class="n">age</span><span class="o">=</span><span class="mf">32</span><span class="p">)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">r</span><span class="o">.</span><span class="n">ready</span><span class="p">()</span>
<span class="go">True</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">r</span><span class="o">.</span><span class="n">result</span>
<span class="go">&quot;Record was updated&quot;</span>
</pre></div>
</div>
</dd></dl>

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