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  <div class="section" id="module-celery.managers">
<h1>Django Model Managers - celery.managers<a class="headerlink" href="#module-celery.managers" title="Permalink to this headline">¶</a></h1>
<p>celery.managers</p>
<dl class="class">
<dt id="celery.managers.MySQLTableLock">
<em class="property">
class </em><tt class="descclassname">celery.managers.</tt><tt class="descname">MySQLTableLock</tt><big>(</big><em>table</em>, <em>type='read'</em><big>)</big><a class="headerlink" href="#celery.managers.MySQLTableLock" title="Permalink to this definition">¶</a></dt>
<dd><p>Table lock support for MySQL.</p>
<dl class="method">
<dt id="celery.managers.MySQLTableLock.lock_table">
<tt class="descname">lock_table</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.managers.MySQLTableLock.lock_table" title="Permalink to this definition">¶</a></dt>
<dd>Lock MySQL table.</dd></dl>

<dl class="method">
<dt id="celery.managers.MySQLTableLock.unlock_table">
<tt class="descname">unlock_table</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.managers.MySQLTableLock.unlock_table" title="Permalink to this definition">¶</a></dt>
<dd>Unlock MySQL table.</dd></dl>

</dd></dl>

<dl class="class">
<dt id="celery.managers.PeriodicTaskManager">
<em class="property">
class </em><tt class="descclassname">celery.managers.</tt><tt class="descname">PeriodicTaskManager</tt><a class="headerlink" href="#celery.managers.PeriodicTaskManager" title="Permalink to this definition">¶</a></dt>
<dd><p>Manager for <tt class="xref docutils literal"><span class="pre">celery.models.PeriodicTask</span></tt> models.</p>
<dl class="method">
<dt id="celery.managers.PeriodicTaskManager.get_waiting_tasks">
<tt class="descname">get_waiting_tasks</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.managers.PeriodicTaskManager.get_waiting_tasks" title="Permalink to this definition">¶</a></dt>
<dd><p>Get all waiting periodic tasks.</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">Returns:</th><td class="field-body">list of <tt class="xref docutils literal"><span class="pre">celery.models.PeriodicTaskMeta</span></tt> objects.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.managers.PeriodicTaskManager.init_entries">
<tt class="descname">init_entries</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.managers.PeriodicTaskManager.init_entries" title="Permalink to this definition">¶</a></dt>
<dd><p>Add entries for all registered periodic tasks.</p>
<p>Should be run at worker start.</p>
</dd></dl>

<dl class="method">
<dt id="celery.managers.PeriodicTaskManager.is_time">
<tt class="descname">is_time</tt><big>(</big><em>last_run_at</em>, <em>run_every</em><big>)</big><a class="headerlink" href="#celery.managers.PeriodicTaskManager.is_time" title="Permalink to this definition">¶</a></dt>
<dd><p>Check if if it is time to run the periodic task.</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>last_run_at</em> &#8211; Last time the periodic task was run.</li>
<li><em>run_every</em> &#8211; How often to run the periodic task.</li>
</ul>
</td>
</tr>
<tr class="field"><th class="field-name">Rtype bool:</th><td class="field-body"></td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="celery.managers.TableLock">
<em class="property">
class </em><tt class="descclassname">celery.managers.</tt><tt class="descname">TableLock</tt><big>(</big><em>table</em>, <em>type='read'</em><big>)</big><a class="headerlink" href="#celery.managers.TableLock" title="Permalink to this definition">¶</a></dt>
<dd><p>Base class for database table locks. Also works as a NOOP lock.</p>
<dl class="classmethod">
<dt id="celery.managers.TableLock.acquire">
<em class="property">
classmethod </em><tt class="descname">acquire</tt><big>(</big><em>table</em>, <em>type=None</em><big>)</big><a class="headerlink" href="#celery.managers.TableLock.acquire" title="Permalink to this definition">¶</a></dt>
<dd>Acquire table lock.</dd></dl>

<dl class="method">
<dt id="celery.managers.TableLock.lock_table">
<tt class="descname">lock_table</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.managers.TableLock.lock_table" title="Permalink to this definition">¶</a></dt>
<dd>Lock the table.</dd></dl>

<dl class="method">
<dt id="celery.managers.TableLock.release">
<tt class="descname">release</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.managers.TableLock.release" title="Permalink to this definition">¶</a></dt>
<dd>Release the lock.</dd></dl>

<dl class="method">
<dt id="celery.managers.TableLock.unlock_table">
<tt class="descname">unlock_table</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.managers.TableLock.unlock_table" title="Permalink to this definition">¶</a></dt>
<dd>Release previously locked tables.</dd></dl>

</dd></dl>

<dl class="class">
<dt id="celery.managers.TaskManager">
<em class="property">
class </em><tt class="descclassname">celery.managers.</tt><tt class="descname">TaskManager</tt><a class="headerlink" href="#celery.managers.TaskManager" title="Permalink to this definition">¶</a></dt>
<dd><p>Manager for <tt class="xref docutils literal"><span class="pre">celery.models.Task</span></tt> models.</p>
<dl class="method">
<dt id="celery.managers.TaskManager.delete_expired">
<tt class="descname">delete_expired</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.managers.TaskManager.delete_expired" title="Permalink to this definition">¶</a></dt>
<dd>Delete all expired task results.</dd></dl>

<dl class="method">
<dt id="celery.managers.TaskManager.get_all_expired">
<tt class="descname">get_all_expired</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.managers.TaskManager.get_all_expired" title="Permalink to this definition">¶</a></dt>
<dd>Get all expired task results.</dd></dl>

<dl class="method">
<dt id="celery.managers.TaskManager.get_task">
<tt class="descname">get_task</tt><big>(</big><em>task_id</em><big>)</big><a class="headerlink" href="#celery.managers.TaskManager.get_task" title="Permalink to this definition">¶</a></dt>
<dd>Get task meta for task by <tt class="docutils literal"><span class="pre">task_id</span></tt>.</dd></dl>

<dl class="method">
<dt id="celery.managers.TaskManager.is_done">
<tt class="descname">is_done</tt><big>(</big><em>task_id</em><big>)</big><a class="headerlink" href="#celery.managers.TaskManager.is_done" title="Permalink to this definition">¶</a></dt>
<dd>Returns <tt class="xref docutils literal"><span class="pre">True</span></tt> if the task was executed successfully.</dd></dl>

<dl class="method">
<dt id="celery.managers.TaskManager.store_result">
<tt class="descname">store_result</tt><big>(</big><em>task_id</em>, <em>result</em>, <em>status</em><big>)</big><a class="headerlink" href="#celery.managers.TaskManager.store_result" title="Permalink to this definition">¶</a></dt>
<dd><p>Store the result and status of a task.</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_id</em> &#8211; task id</li>
<li><em>result</em> &#8211; The return value of the task, or an exception
instance raised by the task.</li>
<li><em>status</em> &#8211; Task status. See
<tt class="xref docutils literal"><span class="pre">celery.result.AsyncResult.get_status()</span></tt> for a list of
possible status values.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

<dl class="attribute">
<dt id="celery.managers.table_lock">
<tt class="descclassname">celery.managers.</tt><tt class="descname">table_lock</tt><a class="headerlink" href="#celery.managers.table_lock" title="Permalink to this definition">¶</a></dt>
<dd>alias of <a title="celery.managers.TableLock" class="reference internal" href="#celery.managers.TableLock"><tt class="xref docutils literal"><span class="pre">TableLock</span></tt></a></dd></dl>

</div>


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