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  <div class="section" id="module-celery.result">
<h1>Task Result - celery.result<a class="headerlink" href="#module-celery.result" title="Permalink to this headline">¶</a></h1>
<p>Asynchronous result types.</p>
<dl class="class">
<dt id="celery.result.AsyncResult">
<em class="property">
class </em><tt class="descclassname">celery.result.</tt><tt class="descname">AsyncResult</tt><big>(</big><em>task_id</em><big>)</big><a class="headerlink" href="#celery.result.AsyncResult" title="Permalink to this definition">¶</a></dt>
<dd><p>Pending task result using the default backend.</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>task_id</em> &#8211; see <a title="celery.result.AsyncResult.task_id" class="reference internal" href="#celery.result.AsyncResult.task_id"><tt class="xref docutils literal"><span class="pre">task_id</span></tt></a>.</td>
</tr>
</tbody>
</table>
<dl class="attribute">
<dt id="celery.result.AsyncResult.task_id">
<tt class="descname">task_id</tt><a class="headerlink" href="#celery.result.AsyncResult.task_id" title="Permalink to this definition">¶</a></dt>
<dd>The unique identifier for this task.</dd></dl>

<dl class="attribute">
<dt id="celery.result.AsyncResult.backend">
<tt class="descname">backend</tt><a class="headerlink" href="#celery.result.AsyncResult.backend" title="Permalink to this definition">¶</a></dt>
<dd>Instance of <a title="celery.backends.DefaultBackend" class="reference external" href="celery.backends.html#celery.backends.DefaultBackend"><tt class="xref docutils literal"><span class="pre">celery.backends.DefaultBackend</span></tt></a>.</dd></dl>

</dd></dl>

<dl class="class">
<dt id="celery.result.BaseAsyncResult">
<em class="property">
class </em><tt class="descclassname">celery.result.</tt><tt class="descname">BaseAsyncResult</tt><big>(</big><em>task_id</em>, <em>backend</em><big>)</big><a class="headerlink" href="#celery.result.BaseAsyncResult" title="Permalink to this definition">¶</a></dt>
<dd><p>Base class for pending result, supports custom
task meta <a title="celery.result.BaseAsyncResult.backend" class="reference internal" href="#celery.result.BaseAsyncResult.backend"><tt class="xref docutils literal"><span class="pre">backend</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">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><em>task_id</em> &#8211; see <a title="celery.result.BaseAsyncResult.task_id" class="reference internal" href="#celery.result.BaseAsyncResult.task_id"><tt class="xref docutils literal"><span class="pre">task_id</span></tt></a>.</li>
<li><em>backend</em> &#8211; see <a title="celery.result.BaseAsyncResult.backend" class="reference internal" href="#celery.result.BaseAsyncResult.backend"><tt class="xref docutils literal"><span class="pre">backend</span></tt></a>.</li>
</ul>
</td>
</tr>
</tbody>
</table>
<dl class="attribute">
<dt id="celery.result.BaseAsyncResult.task_id">
<tt class="descname">task_id</tt><a class="headerlink" href="#celery.result.BaseAsyncResult.task_id" title="Permalink to this definition">¶</a></dt>
<dd>The unique identifier for this task.</dd></dl>

<dl class="attribute">
<dt id="celery.result.BaseAsyncResult.backend">
<tt class="descname">backend</tt><a class="headerlink" href="#celery.result.BaseAsyncResult.backend" title="Permalink to this definition">¶</a></dt>
<dd>The task result backend used.</dd></dl>

<dl class="method">
<dt id="celery.result.BaseAsyncResult.get">
<tt class="descname">get</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.BaseAsyncResult.get" title="Permalink to this definition">¶</a></dt>
<dd>Alias to <a title="celery.result.BaseAsyncResult.wait" class="reference internal" href="#celery.result.BaseAsyncResult.wait"><tt class="xref docutils literal"><span class="pre">wait()</span></tt></a>.</dd></dl>

<dl class="method">
<dt id="celery.result.BaseAsyncResult.is_done">
<tt class="descname">is_done</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.BaseAsyncResult.is_done" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns <tt class="xref docutils literal"><span class="pre">True</span></tt> if the task executed successfully.</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">Return type:</th><td class="field-body">bool</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.result.BaseAsyncResult.ready">
<tt class="descname">ready</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.BaseAsyncResult.ready" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns <tt class="xref docutils literal"><span class="pre">True</span></tt> if the task executed successfully, or raised
an exception. If the task is still pending, or is waiting for retry
then <tt class="xref docutils literal"><span class="pre">False</span></tt> is returned.</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">Return type:</th><td class="field-body">bool</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="attribute">
<dt id="celery.result.BaseAsyncResult.result">
<tt class="descname">result</tt><a class="headerlink" href="#celery.result.BaseAsyncResult.result" title="Permalink to this definition">¶</a></dt>
<dd><p>When the task has been executed, this contains the return value.</p>
<p>If the task raised an exception, this will be the exception instance.</p>
</dd></dl>

<dl class="attribute">
<dt id="celery.result.BaseAsyncResult.status">
<tt class="descname">status</tt><a class="headerlink" href="#celery.result.BaseAsyncResult.status" title="Permalink to this definition">¶</a></dt>
<dd><p>The current status of the task.</p>
<p>Can be one of the following:</p>
<blockquote>
<p><em>PENDING</em></p>
<blockquote>
The task is waiting for execution.</blockquote>
<p><em>RETRY</em></p>
<blockquote>
The task is to be retried, possibly because of failure.</blockquote>
<p><em>FAILURE</em></p>
<blockquote>
The task raised an exception, or has been retried more times
than its limit. The <a title="celery.result.BaseAsyncResult.result" class="reference internal" href="#celery.result.BaseAsyncResult.result"><tt class="xref docutils literal"><span class="pre">result</span></tt></a> attribute contains the
exception raised.</blockquote>
<p><em>DONE</em></p>
<blockquote>
The task executed successfully. The <a title="celery.result.BaseAsyncResult.result" class="reference internal" href="#celery.result.BaseAsyncResult.result"><tt class="xref docutils literal"><span class="pre">result</span></tt></a> attribute
contains the resulting value.</blockquote>
</blockquote>
</dd></dl>

<dl class="method">
<dt id="celery.result.BaseAsyncResult.successful">
<tt class="descname">successful</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.BaseAsyncResult.successful" title="Permalink to this definition">¶</a></dt>
<dd>Alias to <a title="celery.result.BaseAsyncResult.is_done" class="reference internal" href="#celery.result.BaseAsyncResult.is_done"><tt class="xref docutils literal"><span class="pre">is_done()</span></tt></a>.</dd></dl>

<dl class="method">
<dt id="celery.result.BaseAsyncResult.wait">
<tt class="descname">wait</tt><big>(</big><em>timeout=None</em><big>)</big><a class="headerlink" href="#celery.result.BaseAsyncResult.wait" title="Permalink to this definition">¶</a></dt>
<dd><p>Wait for task, and return the result when it arrives.</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>timeout</em> &#8211; How long to wait in seconds, before the
operation times out.</td>
</tr>
<tr class="field"><th class="field-name" colspan="2">Raises <a title="celery.timer.TimeoutError" class="reference external" href="celery.timer.html#celery.timer.TimeoutError">celery.timer.TimeoutError</a>:</th></tr>
<tr><td>&nbsp;</td><td class="field-body">if <tt class="docutils literal"><span class="pre">timeout</span></tt> is not <tt class="xref docutils literal"><span class="pre">None</span></tt> and
the result does not arrive within <tt class="docutils literal"><span class="pre">timeout</span></tt> seconds.</td>
</tr>
</tbody>
</table>
<p>If the remote call raised an exception then that
exception will be re-raised.</p>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="celery.result.TaskSetResult">
<em class="property">
class </em><tt class="descclassname">celery.result.</tt><tt class="descname">TaskSetResult</tt><big>(</big><em>taskset_id</em>, <em>subtasks</em><big>)</big><a class="headerlink" href="#celery.result.TaskSetResult" title="Permalink to this definition">¶</a></dt>
<dd><p>Working with <a title="celery.task.TaskSet" class="reference external" href="celery.task.html#celery.task.TaskSet"><tt class="xref docutils literal"><span class="pre">celery.task.TaskSet</span></tt></a> results.</p>
<p>An instance of this class is returned by <a title="celery.task.TaskSet.run" class="reference external" href="celery.task.html#celery.task.TaskSet.run"><tt class="xref docutils literal"><span class="pre">celery.task.TaskSet.run()</span></tt></a>.
It lets you inspect the status and return values of a taskset as a
single entity.</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" colspan="2">Option taskset_id:</th></tr>
<tr><td>&nbsp;</td><td class="field-body">see <a title="celery.result.TaskSetResult.taskset_id" class="reference internal" href="#celery.result.TaskSetResult.taskset_id"><tt class="xref docutils literal"><span class="pre">taskset_id</span></tt></a>.</td>
</tr>
</tbody>
</table>
<p>:option subtasks see <a title="celery.result.TaskSetResult.subtasks" class="reference internal" href="#celery.result.TaskSetResult.subtasks"><tt class="xref docutils literal"><span class="pre">subtasks</span></tt></a>.</p>
<dl class="attribute">
<dt id="celery.result.TaskSetResult.taskset_id">
<tt class="descname">taskset_id</tt><a class="headerlink" href="#celery.result.TaskSetResult.taskset_id" title="Permalink to this definition">¶</a></dt>
<dd>The UUID of the taskset itself.</dd></dl>

<dl class="attribute">
<dt id="celery.result.TaskSetResult.subtasks">
<tt class="descname">subtasks</tt><a class="headerlink" href="#celery.result.TaskSetResult.subtasks" title="Permalink to this definition">¶</a></dt>
<dd>A list of <tt class="xref docutils literal"><span class="pre">AsyncResult`</span></tt> instances for all of the subtasks.</dd></dl>

<dl class="method">
<dt id="celery.result.TaskSetResult.completed_count">
<tt class="descname">completed_count</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.TaskSetResult.completed_count" title="Permalink to this definition">¶</a></dt>
<dd><p>Task completion count.</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">the number of tasks completed.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.result.TaskSetResult.failed">
<tt class="descname">failed</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.TaskSetResult.failed" title="Permalink to this definition">¶</a></dt>
<dd><p>Did the taskset fail?</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"><tt class="xref docutils literal"><span class="pre">True</span></tt> if any of the tasks in the taskset failed.
(i.e., raised an exception)</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.result.TaskSetResult.iterate">
<tt class="descname">iterate</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.TaskSetResult.iterate" title="Permalink to this definition">¶</a></dt>
<dd><p>Iterate over the return values of the tasks as they finish
one by one.</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">Raises:</th><td class="field-body">The exception if any of the tasks raised an exception.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.result.TaskSetResult.itersubtasks">
<tt class="descname">itersubtasks</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.TaskSetResult.itersubtasks" title="Permalink to this definition">¶</a></dt>
<dd><p>Taskset subtask iterator.</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">an iterator for iterating over the tasksets
<a title="celery.result.AsyncResult" class="reference internal" href="#celery.result.AsyncResult"><tt class="xref docutils literal"><span class="pre">AsyncResult</span></tt></a> objects.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.result.TaskSetResult.join">
<tt class="descname">join</tt><big>(</big><em>timeout=None</em><big>)</big><a class="headerlink" href="#celery.result.TaskSetResult.join" title="Permalink to this definition">¶</a></dt>
<dd><p>Gather the results for all of the tasks in the taskset,
and return a list with them ordered by the order of which they
were called.</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>timeout</em> &#8211; The time in seconds, how long
it will wait for results, before the operation times out.</td>
</tr>
<tr class="field"><th class="field-name" colspan="2">Raises <a title="celery.timer.TimeoutError" class="reference external" href="celery.timer.html#celery.timer.TimeoutError">celery.timer.TimeoutError</a>:</th></tr>
<tr><td>&nbsp;</td><td class="field-body">if <tt class="docutils literal"><span class="pre">timeout</span></tt> is not <tt class="xref docutils literal"><span class="pre">None</span></tt>
and the operation takes longer than <tt class="docutils literal"><span class="pre">timeout</span></tt> seconds.</td>
</tr>
</tbody>
</table>
<p>If any of the tasks raises an exception, the exception
will be reraised by <a title="celery.result.TaskSetResult.join" class="reference internal" href="#celery.result.TaskSetResult.join"><tt class="xref docutils literal"><span class="pre">join()</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">Returns:</th><td class="field-body">list of return values for all tasks in the taskset.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.result.TaskSetResult.ready">
<tt class="descname">ready</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.TaskSetResult.ready" title="Permalink to this definition">¶</a></dt>
<dd><p>Is the task ready?</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"><tt class="xref docutils literal"><span class="pre">True</span></tt> if all of the tasks in the taskset has been
executed.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.result.TaskSetResult.successful">
<tt class="descname">successful</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.TaskSetResult.successful" title="Permalink to this definition">¶</a></dt>
<dd><p>Was the taskset successful?</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"><tt class="xref docutils literal"><span class="pre">True</span></tt> if all of the tasks in the taskset finished
successfully (i.e. did not raise an exception).</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="attribute">
<dt id="celery.result.TaskSetResult.total">
<tt class="descname">total</tt><a class="headerlink" href="#celery.result.TaskSetResult.total" title="Permalink to this definition">¶</a></dt>
<dd>The total number of tasks in the <a title="celery.task.TaskSet" class="reference external" href="celery.task.html#celery.task.TaskSet"><tt class="xref docutils literal"><span class="pre">celery.task.TaskSet</span></tt></a>.</dd></dl>

<dl class="method">
<dt id="celery.result.TaskSetResult.waiting">
<tt class="descname">waiting</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.result.TaskSetResult.waiting" title="Permalink to this definition">¶</a></dt>
<dd><p>Is the taskset waiting?</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"><tt class="xref docutils literal"><span class="pre">True</span></tt> if any of the tasks in the taskset is still
waiting for execution.</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

</div>


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