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Add celery.task.strategy.html

Ask Solem 15 年 前
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fab54df431
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2 ファイル変更、165 行追加、0 行削除
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  1. 157 0
      reference/celery.task.strategy.html
  2. 8 0
      sources/reference/celery.task.strategy.txt

+ 157 - 0
reference/celery.task.strategy.html
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+  <div class="section" id="module-celery.task.strategy">
 
+<h1>Common Task Strategies - celery.task.strategy<a class="headerlink" href="#module-celery.task.strategy" title="Permalink to this headline">¶</a></h1>
 
+<dl class="function">
 
+<dt id="celery.task.strategy.even_time_distribution">
 
+<tt class="descclassname">celery.task.strategy.</tt><tt class="descname">even_time_distribution</tt><big>(</big><em>task</em>, <em>size</em>, <em>time_window</em>, <em>iterable</em>, <em>**apply_kwargs</em><big>)</big><a class="headerlink" href="#celery.task.strategy.even_time_distribution" title="Permalink to this definition">¶</a></dt>
 
+<dd><p>With an iterator yielding task args, kwargs tuples, evenly distribute
 
+the processing of its tasks throughout the time window available.</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</em> &#8211; The kind of task (a <a title="celery.task.base.Task" class="reference external" href="celery.task.base.html#celery.task.base.Task"><tt class="xref docutils literal"><span class="pre">celery.task.base.Task</span></tt></a>.)</li>
 
+<li><em>size</em> &#8211; Total number of elements the iterator gives.</li>
 
+<li><em>time_window</em> &#8211; Total time available, in minutes.</li>
 
+<li><em>iterable</em> &#8211; Iterable yielding task args, kwargs tuples.</li>
 
+<li><em>**apply_kwargs</em> &#8211; Additional keyword arguments to be passed on to
 
+<a title="celery.execute.apply_async" class="reference external" href="celery.execute.html#celery.execute.apply_async"><tt class="xref docutils literal"><span class="pre">celery.execute.apply_async()</span></tt></a>.</li>
 
+</ul>
 
+</td>
 
+</tr>
 
+</tbody>
 
+</table>
 
+<p>Example</p>
 
+<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="k">class</span> <span class="nc">RefreshAllFeeds</span><span class="p">(</span><span class="n">Task</span><span class="p">):</span>
 
+<span class="gp">...</span>
 
+<span class="gp">... </span>    <span class="k">def</span> <span class="nf">run</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
 
+<span class="gp">... </span>        <span class="n">feeds</span> <span class="o">=</span> <span class="n">Feed</span><span class="o">.</span><span class="n">objects</span><span class="o">.</span><span class="n">all</span><span class="p">()</span>
 
+<span class="gp">... </span>        <span class="n">total</span> <span class="o">=</span> <span class="n">feeds</span><span class="o">.</span><span class="n">count</span><span class="p">()</span>
 
+<span class="gp">...</span>
 
+<span class="gp">... </span>        <span class="n">time_window</span> <span class="o">=</span> <span class="n">REFRESH_FEEDS_EVERY_INTERVAL_MINUTES</span>
 
+<span class="gp">...</span>
 
+<span class="gp">... </span>        <span class="k">def</span> <span class="nf">iter_feed_task_args</span><span class="p">(</span><span class="n">iterable</span><span class="p">):</span>
 
+<span class="gp">... </span>            <span class="k">for</span> <span class="n">feed</span> <span class="ow">in</span> <span class="n">iterable</span><span class="p">:</span>
 
+<span class="gp">... </span>                <span class="k">yield</span> <span class="p">([</span><span class="n">feed</span><span class="o">.</span><span class="n">feed_url</span><span class="p">],</span> <span class="p">{})</span> <span class="c"># args, kwargs tuple</span>
 
+<span class="gp">...</span>
 
+<span class="gp">... </span>        <span class="n">it</span> <span class="o">=</span> <span class="n">iter_feed_task_args</span><span class="p">(</span><span class="n">feeds</span><span class="o">.</span><span class="n">iterator</span><span class="p">())</span>
 
+<span class="gp">...</span>
 
+<span class="gp">... </span>        <span class="n">even_time_distribution</span><span class="p">(</span><span class="n">RefreshFeedTask</span><span class="p">,</span> <span class="n">total</span><span class="p">,</span>
 
+<span class="gp">... </span>                               <span class="n">time_window</span><span class="p">,</span> <span class="n">it</span><span class="p">)</span>
 
+</pre></div>
 
+</div>
 
+</dd></dl>
 
+
 
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+
 
+
 
+          </div>
 
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+      </div>
 
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+                                  title="previous chapter">Built-in Task Classes - celery.task.builtins</a></p>
 
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+                                  title="next chapter">Task Discovery - celery.discovery</a></p>
 
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+ 8 - 0
sources/reference/celery.task.strategy.txt
ファイルの表示 

@@ -0,0 +1,8 @@
 
+===============================================
 
+ Common Task Strategies - celery.task.strategy
 
+===============================================
 
+
 
+.. currentmodule:: celery.task.strategy
 
+
 
+.. automodule:: celery.task.strategy
 
+    :members: