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  <div class="section" id="module-celery.datastructures">
<h1>Datastructures - celery.datastructures<a class="headerlink" href="#module-celery.datastructures" title="Permalink to this headline">¶</a></h1>
<p>Custom Datastructures</p>
<dl class="class">
<dt id="celery.datastructures.ExceptionInfo">
<em class="property">
class </em><tt class="descclassname">celery.datastructures.</tt><tt class="descname">ExceptionInfo</tt><big>(</big><em>exc_info</em><big>)</big><a class="headerlink" href="#celery.datastructures.ExceptionInfo" title="Permalink to this definition">¶</a></dt>
<dd><p>Exception wrapping an exception and its traceback.</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>exc_info</em> &#8211; The exception tuple info as returned by
<tt class="xref docutils literal"><span class="pre">traceback.format_exception()</span></tt>.</td>
</tr>
</tbody>
</table>
<dl class="attribute">
<dt id="celery.datastructures.ExceptionInfo.exception">
<tt class="descname">exception</tt><a class="headerlink" href="#celery.datastructures.ExceptionInfo.exception" title="Permalink to this definition">¶</a></dt>
<dd>The original exception.</dd></dl>

<dl class="attribute">
<dt id="celery.datastructures.ExceptionInfo.traceback">
<tt class="descname">traceback</tt><a class="headerlink" href="#celery.datastructures.ExceptionInfo.traceback" title="Permalink to this definition">¶</a></dt>
<dd>A traceback from the point when <a title="celery.datastructures.ExceptionInfo.exception" class="reference internal" href="#celery.datastructures.ExceptionInfo.exception"><tt class="xref docutils literal"><span class="pre">exception</span></tt></a> was raised.</dd></dl>

</dd></dl>

<dl class="class">
<dt id="celery.datastructures.PositionQueue">
<em class="property">
class </em><tt class="descclassname">celery.datastructures.</tt><tt class="descname">PositionQueue</tt><big>(</big><em>length</em><big>)</big><a class="headerlink" href="#celery.datastructures.PositionQueue" title="Permalink to this definition">¶</a></dt>
<dd><p>A positional queue of a specific length, with slots that are either
filled or unfilled. When all of the positions are filled, the queue
is considered <a title="celery.datastructures.PositionQueue.full" class="reference internal" href="#celery.datastructures.PositionQueue.full"><tt class="xref docutils literal"><span class="pre">full()</span></tt></a>.</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>length</em> &#8211; see <a title="celery.datastructures.PositionQueue.length" class="reference internal" href="#celery.datastructures.PositionQueue.length"><tt class="xref docutils literal"><span class="pre">length</span></tt></a>.</td>
</tr>
</tbody>
</table>
<dl class="attribute">
<dt id="celery.datastructures.PositionQueue.length">
<tt class="descname">length</tt><a class="headerlink" href="#celery.datastructures.PositionQueue.length" title="Permalink to this definition">¶</a></dt>
<dd>The number of items required for the queue to be considered full.</dd></dl>

<dl class="class">
<dt id="celery.datastructures.PositionQueue.UnfilledPosition">
<em class="property">
class </em><tt class="descname">UnfilledPosition</tt><big>(</big><em>position</em><big>)</big><a class="headerlink" href="#celery.datastructures.PositionQueue.UnfilledPosition" title="Permalink to this definition">¶</a></dt>
<dd>Describes an unfilled slot.</dd></dl>

<dl class="attribute">
<dt id="celery.datastructures.PositionQueue.filled">
<tt class="descclassname">PositionQueue.</tt><tt class="descname">filled</tt><a class="headerlink" href="#celery.datastructures.PositionQueue.filled" title="Permalink to this definition">¶</a></dt>
<dd>Returns the filled slots as a list.</dd></dl>

<dl class="method">
<dt id="celery.datastructures.PositionQueue.full">
<tt class="descclassname">PositionQueue.</tt><tt class="descname">full</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.datastructures.PositionQueue.full" title="Permalink to this definition">¶</a></dt>
<dd>Returns <tt class="xref docutils literal"><span class="pre">True</span></tt> if all of the slots has been filled.</dd></dl>

</dd></dl>

</div>


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