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  <div class="section" id="module-celery.registry">
<h1>Task Registry - celery.registry<a class="headerlink" href="#module-celery.registry" title="Permalink to this headline">¶</a></h1>
<p>celery.registry</p>
<dl class="class">
<dt id="celery.registry.TaskRegistry">
<em class="property">
class </em><tt class="descclassname">celery.registry.</tt><tt class="descname">TaskRegistry</tt><a class="headerlink" href="#celery.registry.TaskRegistry" title="Permalink to this definition">¶</a></dt>
<dd><p>Site registry for tasks.</p>
<dl class="exception">
<dt id="celery.registry.TaskRegistry.AlreadyRegistered">
<em class="property">
exception </em><tt class="descname">AlreadyRegistered</tt><a class="headerlink" href="#celery.registry.TaskRegistry.AlreadyRegistered" title="Permalink to this definition">¶</a></dt>
<dd>The task is already registered.</dd></dl>

<dl class="exception">
<dt id="celery.registry.TaskRegistry.NotRegistered">
<em class="property">
exception </em><tt class="descclassname">TaskRegistry.</tt><tt class="descname">NotRegistered</tt><a class="headerlink" href="#celery.registry.TaskRegistry.NotRegistered" title="Permalink to this definition">¶</a></dt>
<dd>The task is not registered.</dd></dl>

<dl class="method">
<dt id="celery.registry.TaskRegistry.autodiscover">
<tt class="descclassname">TaskRegistry.</tt><tt class="descname">autodiscover</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.registry.TaskRegistry.autodiscover" title="Permalink to this definition">¶</a></dt>
<dd>Autodiscovers tasks using <a title="celery.discovery.autodiscover" class="reference external" href="celery.discovery.html#celery.discovery.autodiscover"><tt class="xref docutils literal"><span class="pre">celery.discovery.autodiscover()</span></tt></a>.</dd></dl>

<dl class="method">
<dt id="celery.registry.TaskRegistry.filter_types">
<tt class="descclassname">TaskRegistry.</tt><tt class="descname">filter_types</tt><big>(</big><em>type</em><big>)</big><a class="headerlink" href="#celery.registry.TaskRegistry.filter_types" title="Permalink to this definition">¶</a></dt>
<dd>Return all tasks of a specific type.</dd></dl>

<dl class="method">
<dt id="celery.registry.TaskRegistry.get_all">
<tt class="descclassname">TaskRegistry.</tt><tt class="descname">get_all</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.registry.TaskRegistry.get_all" title="Permalink to this definition">¶</a></dt>
<dd>Get all task types.</dd></dl>

<dl class="method">
<dt id="celery.registry.TaskRegistry.get_all_periodic">
<tt class="descclassname">TaskRegistry.</tt><tt class="descname">get_all_periodic</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.registry.TaskRegistry.get_all_periodic" title="Permalink to this definition">¶</a></dt>
<dd>Get all periodic task types.</dd></dl>

<dl class="method">
<dt id="celery.registry.TaskRegistry.get_all_regular">
<tt class="descclassname">TaskRegistry.</tt><tt class="descname">get_all_regular</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.registry.TaskRegistry.get_all_regular" title="Permalink to this definition">¶</a></dt>
<dd>Get all regular task types.</dd></dl>

<dl class="method">
<dt id="celery.registry.TaskRegistry.get_task">
<tt class="descclassname">TaskRegistry.</tt><tt class="descname">get_task</tt><big>(</big><em>name</em><big>)</big><a class="headerlink" href="#celery.registry.TaskRegistry.get_task" title="Permalink to this definition">¶</a></dt>
<dd>Get task by name.</dd></dl>

<dl class="method">
<dt id="celery.registry.TaskRegistry.register">
<tt class="descclassname">TaskRegistry.</tt><tt class="descname">register</tt><big>(</big><em>task</em>, <em>name=None</em><big>)</big><a class="headerlink" href="#celery.registry.TaskRegistry.register" title="Permalink to this definition">¶</a></dt>
<dd><p>Register a task in the task registry.</p>
<p>Task can either be a regular function, or a class inheriting
from <tt class="xref docutils literal"><span class="pre">celery.task.Task</span></tt>.</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">Parameter:</th><td class="field-body"><em>name</em> &#8211; By default the <tt class="xref docutils literal"><span class="pre">Task.name</span></tt> attribute on the
task is used as the name of the task, but you can override it
using this option.</td>
</tr>
<tr class="field"><th class="field-name" colspan="2">Raises <a title="celery.registry.TaskRegistry.AlreadyRegistered" class="reference internal" href="#celery.registry.TaskRegistry.AlreadyRegistered">AlreadyRegistered</a>:</th></tr>
<tr><td>&nbsp;</td><td class="field-body">if the task is already registered.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.registry.TaskRegistry.unregister">
<tt class="descclassname">TaskRegistry.</tt><tt class="descname">unregister</tt><big>(</big><em>name</em><big>)</big><a class="headerlink" href="#celery.registry.TaskRegistry.unregister" title="Permalink to this definition">¶</a></dt>
<dd><p>Unregister task by name.</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">Parameter:</th><td class="field-body"><em>name</em> &#8211; name of the task to unregister, or a
<tt class="xref docutils literal"><span class="pre">celery.task.Task</span></tt> class with a valid <tt class="docutils literal"><span class="pre">name</span></tt> attribute.</td>
</tr>
<tr class="field"><th class="field-name" colspan="2">Raises <a title="celery.exceptions.NotRegistered" class="reference external" href="celery.exceptions.html#celery.exceptions.NotRegistered">celery.exceptions.NotRegistered</a>:</th></tr>
<tr><td>&nbsp;</td><td class="field-body">if the task has not
been registered.</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

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