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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> – 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> – 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> – 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> – 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> </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>
 
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