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  52.   <div class="section" id="module-celery.worker">
    53. 

  53. <h1>Multiprocessing Worker - celery.worker<a class="headerlink" href="#module-celery.worker" title="Permalink to this headline">¶</a></h1>
    54. 

  54. <p>celery.worker</p>
    55. 

  55. <dl class="class">
    56. 

  56. <dt id="celery.worker.PeriodicWorkController">
    57. 

  57. <em class="property">
    58. 

  58. class </em><tt class="descclassname">celery.worker.</tt><tt class="descname">PeriodicWorkController</tt><a class="headerlink" href="#celery.worker.PeriodicWorkController" title="Permalink to this definition">¶</a></dt>
    59. 

  59. <dd><p>A thread that continuously checks if there are
    60. 

  60. :class:<a href="#id1"><span class="problematic" id="id2">`</span></a>celery.task.PeriodicTask`s waiting for execution, and executes
    61. 

  61. them.</p>
    62. 

  62. <p>Example</p>
    63. 

  63. <div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">PeriodicWorkController</span><span class="p">()</span><span class="o">.</span><span class="n">start</span><span class="p">()</span>
    64. 

  64. </pre></div>
    65. 

  65. </div>
    66. 

  66. <dl class="method">
    67. 

  67. <dt id="celery.worker.PeriodicWorkController.run">
    68. 

  68. <tt class="descname">run</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.worker.PeriodicWorkController.run" title="Permalink to this definition">¶</a></dt>
    69. 

  69. <dd>Don&#8217;t use <a title="celery.worker.PeriodicWorkController.run" class="reference internal" href="#celery.worker.PeriodicWorkController.run"><tt class="xref docutils literal"><span class="pre">run()</span></tt></a>. use <tt class="xref docutils literal"><span class="pre">start()</span></tt>.</dd></dl>
    70. 

  70. 

  71. </dd></dl>
    72. 

  72. 

  73. <dl class="class">
    74. 

  74. <dt id="celery.worker.TaskWrapper">
    75. 

  75. <em class="property">
    76. 

  76. class </em><tt class="descclassname">celery.worker.</tt><tt class="descname">TaskWrapper</tt><big>(</big><em>task_name</em>, <em>task_id</em>, <em>task_func</em>, <em>args</em>, <em>kwargs</em>, <em>**opts</em><big>)</big><a class="headerlink" href="#celery.worker.TaskWrapper" title="Permalink to this definition">¶</a></dt>
    77. 

  77. <dd><p>Class wrapping a task to be run.</p>
    78. 

  78. <table class="docutils field-list" frame="void" rules="none">
    79. 

  79. <col class="field-name" />
    80. 

  80. <col class="field-body" />
    81. 

  81. <tbody valign="top">
    82. 

  82. <tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
    83. 

  83. <li><em>task_name</em> &#8211; see <a title="celery.worker.TaskWrapper.task_name" class="reference internal" href="#celery.worker.TaskWrapper.task_name"><tt class="xref docutils literal"><span class="pre">task_name</span></tt></a>.</li>
    84. 

  84. <li><em>task_id</em> &#8211; see <a title="celery.worker.TaskWrapper.task_id" class="reference internal" href="#celery.worker.TaskWrapper.task_id"><tt class="xref docutils literal"><span class="pre">task_id</span></tt></a>.</li>
    85. 

  85. <li><em>task_func</em> &#8211; see <a title="celery.worker.TaskWrapper.task_func" class="reference internal" href="#celery.worker.TaskWrapper.task_func"><tt class="xref docutils literal"><span class="pre">task_func</span></tt></a></li>
    86. 

  86. <li><em>args</em> &#8211; see <a title="celery.worker.TaskWrapper.args" class="reference internal" href="#celery.worker.TaskWrapper.args"><tt class="xref docutils literal"><span class="pre">args</span></tt></a></li>
    87. 

  87. <li><em>kwargs</em> &#8211; see <a title="celery.worker.TaskWrapper.kwargs" class="reference internal" href="#celery.worker.TaskWrapper.kwargs"><tt class="xref docutils literal"><span class="pre">kwargs</span></tt></a>.</li>
    88. 

  88. </ul>
    89. 

  89. </td>
    90. 

  90. </tr>
    91. 

  91. </tbody>
    92. 

  92. </table>
    93. 

  93. <dl class="attribute">
    94. 

  94. <dt id="celery.worker.TaskWrapper.task_name">
    95. 

  95. <tt class="descname">task_name</tt><a class="headerlink" href="#celery.worker.TaskWrapper.task_name" title="Permalink to this definition">¶</a></dt>
    96. 

  96. <dd>Kind of task. Must be a name registered in the task registry.</dd></dl>
    97. 

  97. 

  98. <dl class="attribute">
    99. 

  99. <dt id="celery.worker.TaskWrapper.task_id">
    100. 

  100. <tt class="descname">task_id</tt><a class="headerlink" href="#celery.worker.TaskWrapper.task_id" title="Permalink to this definition">¶</a></dt>
    101. 

  101. <dd>UUID of the task.</dd></dl>
    102. 

  102. 

  103. <dl class="attribute">
    104. 

  104. <dt id="celery.worker.TaskWrapper.task_func">
    105. 

  105. <tt class="descname">task_func</tt><a class="headerlink" href="#celery.worker.TaskWrapper.task_func" title="Permalink to this definition">¶</a></dt>
    106. 

  106. <dd>The tasks callable object.</dd></dl>
    107. 

  107. 

  108. <dl class="attribute">
    109. 

  109. <dt id="celery.worker.TaskWrapper.args">
    110. 

  110. <tt class="descname">args</tt><a class="headerlink" href="#celery.worker.TaskWrapper.args" title="Permalink to this definition">¶</a></dt>
    111. 

  111. <dd>List of positional arguments to apply to the task.</dd></dl>
    112. 

  112. 

  113. <dl class="attribute">
    114. 

  114. <dt id="celery.worker.TaskWrapper.kwargs">
    115. 

  115. <tt class="descname">kwargs</tt><a class="headerlink" href="#celery.worker.TaskWrapper.kwargs" title="Permalink to this definition">¶</a></dt>
    116. 

  116. <dd>Mapping of keyword arguments to apply to the task.</dd></dl>
    117. 

  117. 

  118. <dl class="method">
    119. 

  119. <dt id="celery.worker.TaskWrapper.execute">
    120. 

  120. <tt class="descname">execute</tt><big>(</big><em>loglevel=None</em>, <em>logfile=None</em><big>)</big><a class="headerlink" href="#celery.worker.TaskWrapper.execute" title="Permalink to this definition">¶</a></dt>
    121. 

  121. <dd><p>Execute the task in a <a title="celery.worker.jail" class="reference internal" href="#celery.worker.jail"><tt class="xref docutils literal"><span class="pre">jail()</span></tt></a> and store return value
    122. 

  122. and status in the task meta backend.</p>
    123. 

  123. <table class="docutils field-list" frame="void" rules="none">
    124. 

  124. <col class="field-name" />
    125. 

  125. <col class="field-body" />
    126. 

  126. <tbody valign="top">
    127. 

  127. <tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
    128. 

  128. <li><em>loglevel</em> &#8211; The loglevel used by the task.</li>
    129. 

  129. <li><em>logfile</em> &#8211; The logfile used by the task.</li>
    130. 

  130. </ul>
    131. 

  131. </td>
    132. 

  132. </tr>
    133. 

  133. </tbody>
    134. 

  134. </table>
    135. 

  135. </dd></dl>
    136. 

  136. 

  137. <dl class="method">
    138. 

  138. <dt id="celery.worker.TaskWrapper.execute_using_pool">
    139. 

  139. <tt class="descname">execute_using_pool</tt><big>(</big><em>pool</em>, <em>loglevel=None</em>, <em>logfile=None</em><big>)</big><a class="headerlink" href="#celery.worker.TaskWrapper.execute_using_pool" title="Permalink to this definition">¶</a></dt>
    140. 

  140. <dd><p>Like <a title="celery.worker.TaskWrapper.execute" class="reference internal" href="#celery.worker.TaskWrapper.execute"><tt class="xref docutils literal"><span class="pre">execute()</span></tt></a>, but using the <tt class="xref docutils literal"><span class="pre">multiprocessing</span></tt> pool.</p>
    141. 

  141. <table class="docutils field-list" frame="void" rules="none">
    142. 

  142. <col class="field-name" />
    143. 

  143. <col class="field-body" />
    144. 

  144. <tbody valign="top">
    145. 

  145. <tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
    146. 

  146. <li><em>pool</em> &#8211; A <tt class="xref docutils literal"><span class="pre">multiprocessing.Pool</span></tt> instance.</li>
    147. 

  147. <li><em>loglevel</em> &#8211; The loglevel used by the task.</li>
    148. 

  148. <li><em>logfile</em> &#8211; The logfile used by the task.</li>
    149. 

  149. </ul>
    150. 

  150. </td>
    151. 

  151. </tr>
    152. 

  152. </tbody>
    153. 

  153. </table>
    154. 

  154. <p>:returns <tt class="xref docutils literal"><span class="pre">multiprocessing.AsyncResult</span></tt> instance.</p>
    155. 

  155. </dd></dl>
    156. 

  156. 

  157. <dl class="method">
    158. 

  158. <dt id="celery.worker.TaskWrapper.extend_with_default_kwargs">
    159. 

  159. <tt class="descname">extend_with_default_kwargs</tt><big>(</big><em>loglevel</em>, <em>logfile</em><big>)</big><a class="headerlink" href="#celery.worker.TaskWrapper.extend_with_default_kwargs" title="Permalink to this definition">¶</a></dt>
    160. 

  160. <dd><p>Extend the tasks keyword arguments with standard task arguments.</p>
    161. 

  161. <p>These are <tt class="docutils literal"><span class="pre">logfile</span></tt>, <tt class="docutils literal"><span class="pre">loglevel</span></tt>, <tt class="docutils literal"><span class="pre">task_id</span></tt> and <tt class="docutils literal"><span class="pre">task_name</span></tt>.</p>
    162. 

  162. </dd></dl>
    163. 

  163. 

  164. <dl class="classmethod">
    165. 

  165. <dt id="celery.worker.TaskWrapper.from_message">
    166. 

  166. <em class="property">
    167. 

  167. classmethod </em><tt class="descname">from_message</tt><big>(</big><em>message</em>, <em>logger</em><big>)</big><a class="headerlink" href="#celery.worker.TaskWrapper.from_message" title="Permalink to this definition">¶</a></dt>
    168. 

  168. <dd><p>Create a <a title="celery.worker.TaskWrapper" class="reference internal" href="#celery.worker.TaskWrapper"><tt class="xref docutils literal"><span class="pre">TaskWrapper</span></tt></a> from a task message sent by
    169. 

  169. <a title="celery.messaging.TaskPublisher" class="reference external" href="celery.messaging.html#celery.messaging.TaskPublisher"><tt class="xref docutils literal"><span class="pre">celery.messaging.TaskPublisher</span></tt></a>.</p>
    170. 

  170. <table class="docutils field-list" frame="void" rules="none">
    171. 

  171. <col class="field-name" />
    172. 

  172. <col class="field-body" />
    173. 

  173. <tbody valign="top">
    174. 

  174. <tr class="field"><th class="field-name" colspan="2">Raises <a title="celery.worker.UnknownTask" class="reference internal" href="#celery.worker.UnknownTask">UnknownTask</a>:</th></tr>
    175. 

  175. <tr><td>&nbsp;</td><td class="field-body">if the message does not describe a task,
    176. 

  176. the message is also rejected.</td>
    177. 

  177. </tr>
    178. 

  178. <tr class="field"><th class="field-name">Returns:</th><td class="field-body"><a title="celery.worker.TaskWrapper" class="reference internal" href="#celery.worker.TaskWrapper"><tt class="xref docutils literal"><span class="pre">TaskWrapper</span></tt></a> instance.</td>
    179. 

  179. </tr>
    180. 

  180. </tbody>
    181. 

  181. </table>
    182. 

  182. </dd></dl>
    183. 

  183. 

  184. <dl class="method">
    185. 

  185. <dt id="celery.worker.TaskWrapper.on_failure">
    186. 

  186. <tt class="descname">on_failure</tt><big>(</big><em>exc_info</em>, <em>meta</em><big>)</big><a class="headerlink" href="#celery.worker.TaskWrapper.on_failure" title="Permalink to this definition">¶</a></dt>
    187. 

  187. <dd>The handler used if the task raised an exception.</dd></dl>
    188. 

  188. 

  189. <dl class="method">
    190. 

  190. <dt id="celery.worker.TaskWrapper.on_success">
    191. 

  191. <tt class="descname">on_success</tt><big>(</big><em>ret_value</em>, <em>meta</em><big>)</big><a class="headerlink" href="#celery.worker.TaskWrapper.on_success" title="Permalink to this definition">¶</a></dt>
    192. 

  192. <dd>The handler used if the task was successfully processed (
    193. 

  193. without raising an exception).</dd></dl>
    194. 

  194. 

  195. </dd></dl>
    196. 

  196. 

  197. <dl class="exception">
    198. 

  198. <dt id="celery.worker.UnknownTask">
    199. 

  199. <em class="property">
    200. 

  200. exception </em><tt class="descclassname">celery.worker.</tt><tt class="descname">UnknownTask</tt><a class="headerlink" href="#celery.worker.UnknownTask" title="Permalink to this definition">¶</a></dt>
    201. 

  201. <dd>Got an unknown task in the queue. The message is requeued and
    202. 

  202. ignored.</dd></dl>
    203. 

  203. 

  204. <dl class="class">
    205. 

  205. <dt id="celery.worker.WorkController">
    206. 

  206. <em class="property">
    207. 

  207. class </em><tt class="descclassname">celery.worker.</tt><tt class="descname">WorkController</tt><big>(</big><em>concurrency=None</em>, <em>logfile=None</em>, <em>loglevel=None</em>, <em>is_detached=False</em><big>)</big><a class="headerlink" href="#celery.worker.WorkController" title="Permalink to this definition">¶</a></dt>
    208. 

  208. <dd><p>Executes tasks waiting in the task queue.</p>
    209. 

  209. <table class="docutils field-list" frame="void" rules="none">
    210. 

  210. <col class="field-name" />
    211. 

  211. <col class="field-body" />
    212. 

  212. <tbody valign="top">
    213. 

  213. <tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
    214. 

  214. <li><em>concurrency</em> &#8211; see <a title="celery.worker.WorkController.concurrency" class="reference internal" href="#celery.worker.WorkController.concurrency"><tt class="xref docutils literal"><span class="pre">concurrency</span></tt></a>.</li>
    215. 

  215. <li><em>logfile</em> &#8211; see <a title="celery.worker.WorkController.logfile" class="reference internal" href="#celery.worker.WorkController.logfile"><tt class="xref docutils literal"><span class="pre">logfile</span></tt></a>.</li>
    216. 

  216. <li><em>loglevel</em> &#8211; see <a title="celery.worker.WorkController.loglevel" class="reference internal" href="#celery.worker.WorkController.loglevel"><tt class="xref docutils literal"><span class="pre">loglevel</span></tt></a>.</li>
    217. 

  217. </ul>
    218. 

  218. </td>
    219. 

  219. </tr>
    220. 

  220. </tbody>
    221. 

  221. </table>
    222. 

  222. <dl class="attribute">
    223. 

  223. <dt id="celery.worker.WorkController.concurrency">
    224. 

  224. <tt class="descname">concurrency</tt><a class="headerlink" href="#celery.worker.WorkController.concurrency" title="Permalink to this definition">¶</a></dt>
    225. 

  225. <dd>The number of simultaneous processes doing work (default:
    226. 

  226. <a title="celery.conf.DAEMON_CONCURRENCY" class="reference external" href="celery.conf.html#celery.conf.DAEMON_CONCURRENCY"><tt class="xref docutils literal"><span class="pre">celery.conf.DAEMON_CONCURRENCY</span></tt></a>)</dd></dl>
    227. 

  227. 

  228. <dl class="attribute">
    229. 

  229. <dt id="celery.worker.WorkController.loglevel">
    230. 

  230. <tt class="descname">loglevel</tt><a class="headerlink" href="#celery.worker.WorkController.loglevel" title="Permalink to this definition">¶</a></dt>
    231. 

  231. <dd>The loglevel used (default: <tt class="xref docutils literal"><span class="pre">logging.INFO</span></tt>)</dd></dl>
    232. 

  232. 

  233. <dl class="attribute">
    234. 

  234. <dt id="celery.worker.WorkController.logfile">
    235. 

  235. <tt class="descname">logfile</tt><a class="headerlink" href="#celery.worker.WorkController.logfile" title="Permalink to this definition">¶</a></dt>
    236. 

  236. <dd>The logfile used, if no logfile is specified it uses <tt class="docutils literal"><span class="pre">stderr</span></tt>
    237. 

  237. (default: <a title="celery.conf.DAEMON_LOG_FILE" class="reference external" href="celery.conf.html#celery.conf.DAEMON_LOG_FILE"><tt class="xref docutils literal"><span class="pre">celery.conf.DAEMON_LOG_FILE</span></tt></a>).</dd></dl>
    238. 

  238. 

  239. <dl class="attribute">
    240. 

  240. <dt id="celery.worker.WorkController.logger">
    241. 

  241. <tt class="descname">logger</tt><a class="headerlink" href="#celery.worker.WorkController.logger" title="Permalink to this definition">¶</a></dt>
    242. 

  242. <dd>The <tt class="xref docutils literal"><span class="pre">logging.Logger</span></tt> instance used for logging.</dd></dl>
    243. 

  243. 

  244. <dl class="attribute">
    245. 

  245. <dt id="celery.worker.WorkController.pool">
    246. 

  246. <tt class="descname">pool</tt><a class="headerlink" href="#celery.worker.WorkController.pool" title="Permalink to this definition">¶</a></dt>
    247. 

  247. <dd>The <tt class="xref docutils literal"><span class="pre">multiprocessing.Pool</span></tt> instance used.</dd></dl>
    248. 

  248. 

  249. <dl class="attribute">
    250. 

  250. <dt id="celery.worker.WorkController.task_consumer">
    251. 

  251. <tt class="descname">task_consumer</tt><a class="headerlink" href="#celery.worker.WorkController.task_consumer" title="Permalink to this definition">¶</a></dt>
    252. 

  252. <dd>The <a title="celery.messaging.TaskConsumer" class="reference external" href="celery.messaging.html#celery.messaging.TaskConsumer"><tt class="xref docutils literal"><span class="pre">celery.messaging.TaskConsumer</span></tt></a> instance used.</dd></dl>
    253. 

  253. 

  254. <dl class="method">
    255. 

  255. <dt id="celery.worker.WorkController.connection_diagnostics">
    256. 

  256. <tt class="descname">connection_diagnostics</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.worker.WorkController.connection_diagnostics" title="Permalink to this definition">¶</a></dt>
    257. 

  257. <dd>Diagnose the AMQP connection, and reset connection if
    258. 

  258. necessary.</dd></dl>
    259. 

  259. 

  260. <dl class="method">
    261. 

  261. <dt id="celery.worker.WorkController.process_task">
    262. 

  262. <tt class="descname">process_task</tt><big>(</big><em>message</em><big>)</big><a class="headerlink" href="#celery.worker.WorkController.process_task" title="Permalink to this definition">¶</a></dt>
    263. 

  263. <dd>Process task message by passing it to the pool of workers.</dd></dl>
    264. 

  264. 

  265. <dl class="method">
    266. 

  266. <dt id="celery.worker.WorkController.reset_connection">
    267. 

  267. <tt class="descname">reset_connection</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.worker.WorkController.reset_connection" title="Permalink to this definition">¶</a></dt>
    268. 

  268. <dd><p>Reset the AMQP connection, and reinitialize the
    269. 

  269. <a title="celery.messaging.TaskConsumer" class="reference external" href="celery.messaging.html#celery.messaging.TaskConsumer"><tt class="xref docutils literal"><span class="pre">celery.messaging.TaskConsumer</span></tt></a> instance.</p>
    270. 

  270. <p>Resets the task consumer in <a title="celery.worker.WorkController.task_consumer" class="reference internal" href="#celery.worker.WorkController.task_consumer"><tt class="xref docutils literal"><span class="pre">task_consumer</span></tt></a>.</p>
    271. 

  271. </dd></dl>
    272. 

  272. 

  273. <dl class="method">
    274. 

  274. <dt id="celery.worker.WorkController.run">
    275. 

  275. <tt class="descname">run</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.worker.WorkController.run" title="Permalink to this definition">¶</a></dt>
    276. 

  276. <dd>Starts the workers main loop.</dd></dl>
    277. 

  277. 

  278. </dd></dl>
    279. 

  279. 

  280. <dl class="function">
    281. 

  281. <dt id="celery.worker.jail">
    282. 

  282. <tt class="descclassname">celery.worker.</tt><tt class="descname">jail</tt><big>(</big><em>task_id</em>, <em>func</em>, <em>args</em>, <em>kwargs</em><big>)</big><a class="headerlink" href="#celery.worker.jail" title="Permalink to this definition">¶</a></dt>
    283. 

  283. <dd><p>Wraps the task in a jail, which catches all exceptions, and
    284. 

  284. saves the status and result of the task execution to the task
    285. 

  285. meta backend.</p>
    286. 

  286. <p>If the call was successful, it saves the result to the task result
    287. 

  287. backend, and sets the task status to <tt class="docutils literal"><span class="pre">&quot;DONE&quot;</span></tt>.</p>
    288. 

  288. <p>If the call results in an exception, it saves the exception as the task
    289. 

  289. result, and sets the task status to <tt class="docutils literal"><span class="pre">&quot;FAILURE&quot;</span></tt>.</p>
    290. 

  290. <table class="docutils field-list" frame="void" rules="none">
    291. 

  291. <col class="field-name" />
    292. 

  292. <col class="field-body" />
    293. 

  293. <tbody valign="top">
    294. 

  294. <tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
    295. 

  295. <li><em>task_id</em> &#8211; The id of the task.</li>
    296. 

  296. <li><em>func</em> &#8211; Callable object to execute.</li>
    297. 

  297. <li><em>args</em> &#8211; List of positional args to pass on to the function.</li>
    298. 

  298. <li><em>kwargs</em> &#8211; Keyword arguments mapping to pass on to the function.</li>
    299. 

  299. </ul>
    300. 

  300. </td>
    301. 

  301. </tr>
    302. 

  302. <tr class="field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">the function return value on success, or
    303. 

  303. the exception instance on failure.</p>
    304. 

  304. </td>
    305. 

  305. </tr>
    306. 

  306. </tbody>
    307. 

  307. </table>
    308. 

  308. </dd></dl>
    309. 

  309. 

  310. </div>
    311. 

  311. 

  312. 

  313. 	      </div>
    314. 

  314. 	    </div>
    315. 

  315. 	  </div>
    316. 

  316. 	</div>
    317. 

  317. 	<div class="sidebar">
    318. 

  318. 	  <h3>Contents</h3>
    319. 

  319. 	  <ul class="current">
    320. 

  320. <li class="toctree-l1"><a class="reference external" href="../introduction.html">celery - Distributed Task Queue for Django.</a></li>
    321. 

  321. <li class="toctree-l1"><a class="reference external" href="../faq.html">Frequently Asked Questions</a></li>
    322. 

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    323. 

  323. <li class="toctree-l2"><a class="reference external" href="celery.task.html">Tasks - celery.task</a></li>
    324. 

  324. <li class="toctree-l2"><a class="reference external" href="celery.result.html">Task Result - celery.result</a></li>
    325. 

  325. <li class="toctree-l2"><a class="reference external" href="celery.registry.html">Task Registry - celery.registry</a></li>
    326. 

  326. <li class="toctree-l2"><a class="reference external" href="celery.discovery.html">Task Discovery - celery.discovery</a></li>
    327. 

  327. <li class="toctree-l2 current"><a class="current reference external" href="">Multiprocessing Worker - celery.worker</a></li>
    328. 

  328. <li class="toctree-l2"><a class="reference external" href="celery.pool.html">Task Pool - celery.pool</a></li>
    329. 

  329. <li class="toctree-l2"><a class="reference external" href="celery.backends.html">Backends - celery.backends</a></li>
    330. 

  330. <li class="toctree-l2"><a class="reference external" href="celery.backends.base.html">Backend: Base - celery.backends.base</a></li>
    331. 

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    332. 

  332. <li class="toctree-l2"><a class="reference external" href="celery.backends.cache.html">Backend: Cache - celery.backends.cache</a></li>
    333. 

  333. <li class="toctree-l2"><a class="reference external" href="celery.backends.tyrant.html">Backend: Tokyo Tyrant - celery.backends.tyrant</a></li>
    334. 

  334. <li class="toctree-l2"><a class="reference external" href="celery.conf.html">Configuration - celery.conf</a></li>
    335. 

  335. <li class="toctree-l2"><a class="reference external" href="celery.datastructures.html">Datastructures - celery.datastructures</a></li>
    336. 

  336. <li class="toctree-l2"><a class="reference external" href="celery.log.html">Logging - celery.log</a></li>
    337. 

  337. <li class="toctree-l2"><a class="reference external" href="celery.managers.html">Django Model Managers - celery.managers</a></li>
    338. 

  338. <li class="toctree-l2"><a class="reference external" href="celery.models.html">Django Models - celery.models</a></li>
    339. 

  339. <li class="toctree-l2"><a class="reference external" href="celery.messaging.html">Messaging - celery.messaging</a></li>
    340. 

  340. <li class="toctree-l2"><a class="reference external" href="celery.timer.html">Timers - celery.timer</a></li>
    341. 

  341. <li class="toctree-l2"><a class="reference external" href="celery.bin.celeryd.html">Celery Worker Daemon - celery.bin.celeryd</a></li>
    342. 

  342. </ul>
    343. 

  343. </li>
    344. 

  344. <li class="toctree-l1"><a class="reference external" href="../changelog.html">Change history</a></li>
    345. 

  345. </ul>
    346. 

  346. 

  347. 	  <h3 style="margin-top: 1.5em;">Search</h3>
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    355. 

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    356. 

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  366.              >index</a> |
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  367.           <a href="../modindex.html" title="Global Module Index"
    368. 

  368.              >modules</a> |
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  369.           <a href="celery.pool.html" title="Task Pool - celery.pool"
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