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  48.   <div class="section" id="change-history">
    49. 

  49. <h1>Change history<a class="headerlink" href="#change-history" title="Permalink to this headline">¶</a></h1>
    50. 

  50. <div class="section" id="p-m-cet-askh-opera-com">
    51. 

  51. <h2>0.3.3 [2009-06-08 01:07 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#p-m-cet-askh-opera-com" title="Permalink to this headline">¶</a></h2>
    52. 

  52. <ul>
    53. 

  53. <li><dl class="first docutils">
    54. 

  54. <dt>The <tt class="docutils literal"><span class="pre">PeriodicWorkController</span></tt> now sleeps for 1 second between checking</dt>
    55. 

  55. <dd><p class="first last">for periodic tasks to execute.</p>
    56. 

  56. </dd>
    57. 

  57. </dl>
    58. 

  58. </li>
    59. 

  59. </ul>
    60. 

  60. </div>
    61. 

  61. <div class="section" id="id1">
    62. 

  62. <h2>0.3.2 [2009-06-08 01:07 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h2>
    63. 

  63. <ul>
    64. 

  64. <li><dl class="first docutils">
    65. 

  65. <dt>celeryd: Added option <tt class="docutils literal"><span class="pre">--discard</span></tt>: Discard (delete!) all waiting</dt>
    66. 

  66. <dd><p class="first last">messages in the queue.</p>
    67. 

  67. </dd>
    68. 

  68. </dl>
    69. 

  69. </li>
    70. 

  70. <li><p class="first">celeryd: The <tt class="docutils literal"><span class="pre">--wakeup-after</span></tt> option was not handled as a float.</p>
    71. 

  71. </li>
    72. 

  72. </ul>
    73. 

  73. </div>
    74. 

  74. <div class="section" id="id2">
    75. 

  75. <h2>0.3.1 [2009-06-08 01:07 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
    76. 

  76. <ul>
    77. 

  77. <li><dl class="first docutils">
    78. 

  78. <dt>The <cite>PeriodicTask`</cite> worker is now running in its own thread instead</dt>
    79. 

  79. <dd><p class="first last">of blocking the <tt class="docutils literal"><span class="pre">TaskController</span></tt> loop.</p>
    80. 

  80. </dd>
    81. 

  81. </dl>
    82. 

  82. </li>
    83. 

  83. <li><p class="first">Default <tt class="docutils literal"><span class="pre">QUEUE_WAKEUP_AFTER</span></tt> has been lowered to <tt class="docutils literal"><span class="pre">0.1</span></tt> (was <tt class="docutils literal"><span class="pre">0.3</span></tt>)</p>
    84. 

  84. </li>
    85. 

  85. </ul>
    86. 

  86. </div>
    87. 

  87. <div class="section" id="id3">
    88. 

  88. <h2>0.3.0 [2009-06-08 12:41 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id3" title="Permalink to this headline">¶</a></h2>
    89. 

  89. <p><strong>NOTE</strong> This is a development version, for the stable release, please
    90. 

  90. see versions 0.2.x.</p>
    91. 

  91. <p><strong>VERY IMPORTANT:</strong> Pickle is now the encoder used for serializing task
    92. 

  92. arguments, so be sure to flush your task queue before you upgrade.</p>
    93. 

  93. <ul>
    94. 

  94. <li><dl class="first docutils">
    95. 

  95. <dt><strong>IMPORTANT</strong> TaskSet.run() now returns a celery.result.TaskSetResult</dt>
    96. 

  96. <dd><p class="first last">instance, which lets you inspect the status and return values of a
    97. 

  97. taskset as it was a single entity.</p>
    98. 

  98. </dd>
    99. 

  99. </dl>
    100. 

  100. </li>
    101. 

  101. <li><p class="first"><strong>IMPORTANT</strong> Celery now depends on carrot &gt;= 0.4.1.</p>
    102. 

  102. </li>
    103. 

  103. <li><dl class="first docutils">
    104. 

  104. <dt>The celery daemon now sends task errors to the registered admin e-mails.</dt>
    105. 

  105. <dd><p class="first last">To turn off this feature, set <tt class="docutils literal"><span class="pre">SEND_CELERY_TASK_ERROR_EMAILS</span></tt> to
    106. 

  106. <tt class="xref docutils literal"><span class="pre">False</span></tt> in your <tt class="docutils literal"><span class="pre">settings.py</span></tt>. Thanks to Grégoire Cachet.</p>
    107. 

  107. </dd>
    108. 

  108. </dl>
    109. 

  109. </li>
    110. 

  110. <li><p class="first">You can now run the celery daemon by using <tt class="docutils literal"><span class="pre">manage.py</span></tt>:</p>
    111. 

  111. <div class="highlight-python"><pre>        $ python manage.py celeryd
    112. 

  112. 

  113. Thanks to Grégoire Cachet.</pre>
    114. 

  114. </div>
    115. 

  115. </li>
    116. 

  116. <li><dl class="first docutils">
    117. 

  117. <dt>Added support for message priorities, topic exchanges, custom routing</dt>
    118. 

  118. <dd><p class="first">keys for tasks. This means we have introduced
    119. 

  119. <tt class="docutils literal"><span class="pre">celery.task.apply_async</span></tt>, a new way of executing tasks.</p>
    120. 

  120. <p>You can use <tt class="docutils literal"><span class="pre">celery.task.delay</span></tt> and <tt class="docutils literal"><span class="pre">celery.Task.delay</span></tt> like usual, but
    121. 

  121. if you want greater control over the message sent, you want
    122. 

  122. <tt class="docutils literal"><span class="pre">celery.task.apply_async</span></tt> and <tt class="docutils literal"><span class="pre">celery.Task.apply_async</span></tt>.</p>
    123. 

  123. <p>This also means the AMQP configuration has changed. Some settings has
    124. 

  124. been renamed, while others are new:</p>
    125. 

  125. <div class="highlight-python"><div class="highlight"><pre><span class="n">CELERY_AMQP_EXCHANGE</span>
    126. 

  126. <span class="n">CELERY_AMQP_PUBLISHER_ROUTING_KEY</span>
    127. 

  127. <span class="n">CELERY_AMQP_CONSUMER_ROUTING_KEY</span>
    128. 

  128. <span class="n">CELERY_AMQP_CONSUMER_QUEUE</span>
    129. 

  129. <span class="n">CELERY_AMQP_EXCHANGE_TYPE</span>
    130. 

  130. </pre></div>
    131. 

  131. </div>
    132. 

  132. <p class="last">See the entry <a class="reference external" href="http://bit.ly/celery_AMQP_routing">Can I send some tasks to only some servers?</a> in the
    133. 

  133. <a class="reference external" href="http://ask.github.com/celery/faq.html">FAQ</a> for more information.</p>
    134. 

  134. </dd>
    135. 

  135. </dl>
    136. 

  136. </li>
    137. 

  137. </ul>
    138. 

  138. <ul>
    139. 

  139. <li><dl class="first docutils">
    140. 

  140. <dt>Task errors are now logged using loglevel <tt class="docutils literal"><span class="pre">ERROR</span></tt> instead of <tt class="docutils literal"><span class="pre">INFO</span></tt>,</dt>
    141. 

  141. <dd><p class="first last">and backtraces are dumped. Thanks to Grégoire Cachet.</p>
    142. 

  142. </dd>
    143. 

  143. </dl>
    144. 

  144. </li>
    145. 

  145. <li><dl class="first docutils">
    146. 

  146. <dt>Make every new worker process re-establish it&#8217;s Django DB connection,</dt>
    147. 

  147. <dd><p class="first last">this solving the &#8220;MySQL connection died?&#8221; exceptions.
    148. 

  148. Thanks to Vitaly Babiy and Jirka Vejrazka.</p>
    149. 

  149. </dd>
    150. 

  150. </dl>
    151. 

  151. </li>
    152. 

  152. <li><dl class="first docutils">
    153. 

  153. <dt><strong>IMOPORTANT</strong> Now using pickle to encode task arguments. This means you</dt>
    154. 

  154. <dd><p class="first last">now can pass complex python objects to tasks as arguments.</p>
    155. 

  155. </dd>
    156. 

  156. </dl>
    157. 

  157. </li>
    158. 

  158. <li><p class="first">Removed dependency on <tt class="docutils literal"><span class="pre">yadayada</span></tt>.</p>
    159. 

  159. </li>
    160. 

  160. <li><p class="first">Added a FAQ, see <tt class="docutils literal"><span class="pre">docs/faq.rst</span></tt>.</p>
    161. 

  161. </li>
    162. 

  162. <li><dl class="first docutils">
    163. 

  163. <dt>Now converts any unicode keys in task <tt class="docutils literal"><span class="pre">kwargs</span></tt> to regular strings.</dt>
    164. 

  164. <dd><p class="first last">Thanks Vitaly Babiy.</p>
    165. 

  165. </dd>
    166. 

  166. </dl>
    167. 

  167. </li>
    168. 

  168. <li><p class="first">Renamed the <tt class="docutils literal"><span class="pre">TaskDaemon</span></tt> to <tt class="docutils literal"><span class="pre">WorkController</span></tt>.</p>
    169. 

  169. </li>
    170. 

  170. <li><dl class="first docutils">
    171. 

  171. <dt><tt class="docutils literal"><span class="pre">celery.datastructures.TaskProcessQueue</span></tt> is now renamed to</dt>
    172. 

  172. <dd><p class="first last"><tt class="docutils literal"><span class="pre">celery.pool.TaskPool</span></tt>.</p>
    173. 

  173. </dd>
    174. 

  174. </dl>
    175. 

  175. </li>
    176. 

  176. <li><dl class="first docutils">
    177. 

  177. <dt>The pool algorithm has been refactored for greater performance and</dt>
    178. 

  178. <dd><p class="first last">stability.</p>
    179. 

  179. </dd>
    180. 

  180. </dl>
    181. 

  181. </li>
    182. 

  182. </ul>
    183. 

  183. </div>
    184. 

  184. <div class="section" id="id4">
    185. 

  185. <h2>0.2.0 [2009-05-20 05:14 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id4" title="Permalink to this headline">¶</a></h2>
    186. 

  186. <ul class="simple">
    187. 

  187. <li>Final release of 0.2.0</li>
    188. 

  188. <li>Compatible with carrot version 0.4.0.</li>
    189. 

  189. <li>Fixes some syntax errors related to fetching results
    190. 

  190. from the database backend.</li>
    191. 

  191. </ul>
    192. 

  192. </div>
    193. 

  193. <div class="section" id="pre3-2009-05-20-05-14-p-m-cet-askh-opera-com">
    194. 

  194. <h2>0.2.0-pre3 [2009-05-20 05:14 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#pre3-2009-05-20-05-14-p-m-cet-askh-opera-com" title="Permalink to this headline">¶</a></h2>
    195. 

  195. <ul>
    196. 

  196. <li><dl class="first docutils">
    197. 

  197. <dt><em>Internal release</em>. Improved handling of unpickled exceptions,</dt>
    198. 

  198. <dd><p class="first last">get_result() now tries to recreate something looking like the
    199. 

  199. original exception.</p>
    200. 

  200. </dd>
    201. 

  201. </dl>
    202. 

  202. </li>
    203. 

  203. </ul>
    204. 

  204. </div>
    205. 

  205. <div class="section" id="pre2-2009-05-20-01-56-p-m-cet-askh-opera-com">
    206. 

  206. <h2>0.2.0-pre2 [2009-05-20 01:56 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#pre2-2009-05-20-01-56-p-m-cet-askh-opera-com" title="Permalink to this headline">¶</a></h2>
    207. 

  207. <ul class="simple">
    208. 

  208. <li>Now handles unpickleable exceptions (like the dynimically generated
    209. 

  209. subclasses of <tt class="docutils literal"><span class="pre">django.core.exception.MultipleObjectsReturned</span></tt>).</li>
    210. 

  210. </ul>
    211. 

  211. </div>
    212. 

  212. <div class="section" id="pre1-2009-05-20-12-33-p-m-cet-askh-opera-com">
    213. 

  213. <h2>0.2.0-pre1 [2009-05-20 12:33 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#pre1-2009-05-20-12-33-p-m-cet-askh-opera-com" title="Permalink to this headline">¶</a></h2>
    214. 

  214. <ul class="simple">
    215. 

  215. <li>It&#8217;s getting quite stable, with a lot of new features, so bump
    216. 

  216. version to 0.2. This is a pre-release.</li>
    217. 

  217. <li><tt class="docutils literal"><span class="pre">celery.task.mark_as_read()</span></tt> and <tt class="docutils literal"><span class="pre">celery.task.mark_as_failure()</span></tt> has
    218. 

  218. been removed. Use <tt class="docutils literal"><span class="pre">celery.backends.default_backend.mark_as_read()</span></tt>,
    219. 

  219. and <tt class="docutils literal"><span class="pre">celery.backends.default_backend.mark_as_failure()</span></tt> instead.</li>
    220. 

  220. </ul>
    221. 

  221. </div>
    222. 

  222. <div class="section" id="id5">
    223. 

  223. <h2>0.1.15 [2009-05-19 04:13 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id5" title="Permalink to this headline">¶</a></h2>
    224. 

  224. <ul class="simple">
    225. 

  225. <li>The celery daemon was leaking AMQP connections, this should be fixed,
    226. 

  226. if you have any problems with too many files open (like <tt class="docutils literal"><span class="pre">emfile</span></tt>
    227. 

  227. errors in <tt class="docutils literal"><span class="pre">rabbit.log</span></tt>, please contact us!</li>
    228. 

  228. </ul>
    229. 

  229. </div>
    230. 

  230. <div class="section" id="id6">
    231. 

  231. <h2>0.1.14 [2009-05-19 01:08 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id6" title="Permalink to this headline">¶</a></h2>
    232. 

  232. <ul class="simple">
    233. 

  233. <li>Fixed a syntax error in the <tt class="docutils literal"><span class="pre">TaskSet</span></tt> class.  (No such variable
    234. 

  234. <tt class="docutils literal"><span class="pre">TimeOutError</span></tt>).</li>
    235. 

  235. </ul>
    236. 

  236. </div>
    237. 

  237. <div class="section" id="id7">
    238. 

  238. <h2>0.1.13 [2009-05-19 12:36 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id7" title="Permalink to this headline">¶</a></h2>
    239. 

  239. <ul>
    240. 

  240. <li><p class="first">Forgot to add <tt class="docutils literal"><span class="pre">yadayada</span></tt> to install requirements.</p>
    241. 

  241. </li>
    242. 

  242. <li><p class="first">Now deletes all expired task results, not just those marked as done.</p>
    243. 

  243. </li>
    244. 

  244. <li><p class="first">Able to load the Tokyo Tyrant backend class without django
    245. 

  245. configuration, can specify tyrant settings directly in the class
    246. 

  246. constructor.</p>
    247. 

  247. </li>
    248. 

  248. <li><p class="first">Improved API documentation</p>
    249. 

  249. </li>
    250. 

  250. <li><p class="first">Now using the Sphinx documentation system, you can build
    251. 

  251. the html documentation by doing</p>
    252. 

  252. <div class="highlight-python"><pre>$ cd docs
    253. 

  253. $ make html</pre>
    254. 

  254. </div>
    255. 

  255. <p>and the result will be in <tt class="docutils literal"><span class="pre">docs/.build/html</span></tt>.</p>
    256. 

  256. </li>
    257. 

  257. </ul>
    258. 

  258. </div>
    259. 

  259. <div class="section" id="id8">
    260. 

  260. <h2>0.1.12 [2009-05-18 04:38 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id8" title="Permalink to this headline">¶</a></h2>
    261. 

  261. <ul>
    262. 

  262. <li><p class="first"><tt class="docutils literal"><span class="pre">delay_task()</span></tt> etc. now returns <tt class="docutils literal"><span class="pre">celery.task.AsyncResult</span></tt> object,
    263. 

  263. which lets you check the result and any failure that might have
    264. 

  264. happened.  It kind of works like the <tt class="docutils literal"><span class="pre">multiprocessing.AsyncResult</span></tt>
    265. 

  265. class returned by <tt class="docutils literal"><span class="pre">multiprocessing.Pool.map_async</span></tt>.</p>
    266. 

  266. </li>
    267. 

  267. <li><p class="first">Added dmap() and dmap_async(). This works like the
    268. 

  268. <tt class="docutils literal"><span class="pre">multiprocessing.Pool</span></tt> versions except they are tasks
    269. 

  269. distributed to the celery server. Example:</p>
    270. 

  270. <blockquote>
    271. 

  271. <div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">celery.task</span> <span class="kn">import</span> <span class="n">dmap</span>
    272. 

  272. <span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">operator</span>
    273. 

  273. <span class="gp">&gt;&gt;&gt; </span><span class="n">dmap</span><span class="p">(</span><span class="n">operator</span><span class="o">.</span><span class="n">add</span><span class="p">,</span> <span class="p">[[</span><span class="mf">2</span><span class="p">,</span> <span class="mf">2</span><span class="p">],</span> <span class="p">[</span><span class="mf">4</span><span class="p">,</span> <span class="mf">4</span><span class="p">],</span> <span class="p">[</span><span class="mf">8</span><span class="p">,</span> <span class="mf">8</span><span class="p">]])</span>
    274. 

  274. <span class="gp">&gt;&gt;&gt; </span><span class="p">[</span><span class="mf">4</span><span class="p">,</span> <span class="mf">8</span><span class="p">,</span> <span class="mf">16</span><span class="p">]</span>
    275. 

  275. </pre></div>
    276. 

  276. </div>
    277. 

  277. <div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">celery.task</span> <span class="kn">import</span> <span class="n">dmap_async</span>
    278. 

  278. <span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">operator</span>
    279. 

  279. <span class="gp">&gt;&gt;&gt; </span><span class="n">result</span> <span class="o">=</span> <span class="n">dmap_async</span><span class="p">(</span><span class="n">operator</span><span class="o">.</span><span class="n">add</span><span class="p">,</span> <span class="p">[[</span><span class="mf">2</span><span class="p">,</span> <span class="mf">2</span><span class="p">],</span> <span class="p">[</span><span class="mf">4</span><span class="p">,</span> <span class="mf">4</span><span class="p">],</span> <span class="p">[</span><span class="mf">8</span><span class="p">,</span> <span class="mf">8</span><span class="p">]])</span>
    280. 

  280. <span class="gp">&gt;&gt;&gt; </span><span class="n">result</span><span class="o">.</span><span class="n">ready</span><span class="p">()</span>
    281. 

  281. <span class="go">False</span>
    282. 

  282. <span class="gp">&gt;&gt;&gt; </span><span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mf">1</span><span class="p">)</span>
    283. 

  283. <span class="gp">&gt;&gt;&gt; </span><span class="n">result</span><span class="o">.</span><span class="n">ready</span><span class="p">()</span>
    284. 

  284. <span class="go">True</span>
    285. 

  285. <span class="gp">&gt;&gt;&gt; </span><span class="n">result</span><span class="o">.</span><span class="n">result</span>
    286. 

  286. <span class="go">[4, 8, 16]</span>
    287. 

  287. </pre></div>
    288. 

  288. </div>
    289. 

  289. </blockquote>
    290. 

  290. </li>
    291. 

  291. <li><p class="first">Refactored the task metadata cache and database backends, and added a new backend for Tokyo Tyrant. You can set the backend in your django settings file. e.g</p>
    292. 

  292. <blockquote>
    293. 

  293. <p>CELERY_BACKEND = &#8220;database&#8221;; # Uses the database</p>
    294. 

  294. <p>CELERY_BACKEND = &#8220;cache&#8221;; # Uses the django cache framework</p>
    295. 

  295. <p>CELERY_BACKEND = &#8220;tyrant&#8221;; # Uses Tokyo Tyrant
    296. 

  296. TT_HOST = &#8220;localhost&#8221;; # Hostname for the Tokyo Tyrant server.
    297. 

  297. TT_PORT = 6657; # Port of the Tokyo Tyrant server.</p>
    298. 

  298. </blockquote>
    299. 

  299. </li>
    300. 

  300. </ul>
    301. 

  301. </div>
    302. 

  302. <div class="section" id="id9">
    303. 

  303. <h2>0.1.11 [2009-05-12 02:08 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id9" title="Permalink to this headline">¶</a></h2>
    304. 

  304. <ul class="simple">
    305. 

  305. <li>The logging system was leaking file descriptors, resulting in
    306. 

  306. servers stopping with the EMFILES (too many open files) error. (fixed)</li>
    307. 

  307. </ul>
    308. 

  308. </div>
    309. 

  309. <div class="section" id="id10">
    310. 

  310. <h2>0.1.10 [2009-05-11 12:46 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id10" title="Permalink to this headline">¶</a></h2>
    311. 

  311. <ul class="simple">
    312. 

  312. <li>Tasks now supports both positional arguments and keyword arguments.</li>
    313. 

  313. <li>Requires carrot 0.3.8.</li>
    314. 

  314. <li>The daemon now tries to reconnect if the connection is lost.</li>
    315. 

  315. </ul>
    316. 

  316. </div>
    317. 

  317. <div class="section" id="id11">
    318. 

  318. <h2>0.1.8 [2009-05-07 12:27 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id11" title="Permalink to this headline">¶</a></h2>
    319. 

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

  320. <li>Better test coverage</li>
    321. 

  321. <li>More documentation</li>
    322. 

  322. <li>celeryd doesn&#8217;t emit <tt class="docutils literal"><span class="pre">Queue</span> <span class="pre">is</span> <span class="pre">empty</span></tt> message if
    323. 

  323. <tt class="docutils literal"><span class="pre">settings.CELERYD_EMPTY_MSG_EMIT_EVERY</span></tt> is 0.</li>
    324. 

  324. </ul>
    325. 

  325. </div>
    326. 

  326. <div class="section" id="id12">
    327. 

  327. <h2>0.1.7 [2009-04-30 1:50 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id12" title="Permalink to this headline">¶</a></h2>
    328. 

  328. <ul class="simple">
    329. 

  329. <li>Added some unittests</li>
    330. 

  330. <li>Can now use the database for task metadata (like if the task has
    331. 

  331. been executed or not). Set <tt class="docutils literal"><span class="pre">settings.CELERY_TASK_META</span></tt></li>
    332. 

  332. <li>Can now run <tt class="docutils literal"><span class="pre">python</span> <span class="pre">setup.py</span> <span class="pre">test</span></tt> to run the unittests from
    333. 

  333. within the <tt class="docutils literal"><span class="pre">testproj</span></tt> project.</li>
    334. 

  334. <li>Can set the AMQP exchange/routing key/queue using
    335. 

  335. <tt class="docutils literal"><span class="pre">settings.CELERY_AMQP_EXCHANGE</span></tt>, <tt class="docutils literal"><span class="pre">settings.CELERY_AMQP_ROUTING_KEY</span></tt>,
    336. 

  336. and <tt class="docutils literal"><span class="pre">settings.CELERY_AMQP_CONSUMER_QUEUE</span></tt>.</li>
    337. 

  337. </ul>
    338. 

  338. </div>
    339. 

  339. <div class="section" id="id13">
    340. 

  340. <h2>0.1.6 [2009-04-28 2:13 P.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#id13" title="Permalink to this headline">¶</a></h2>
    341. 

  341. <blockquote>
    342. 

  342. <ul class="simple">
    343. 

  343. <li>Introducing <tt class="docutils literal"><span class="pre">TaskSet</span></tt>. A set of subtasks is executed and you can
    344. 

  344. find out how many, or if all them, are done (excellent for progress bars and such)</li>
    345. 

  345. <li>Now catches all exceptions when running <tt class="docutils literal"><span class="pre">Task.__call__</span></tt>, so the
    346. 

  346. daemon doesn&#8217;t die. This does&#8217;t happen for pure functions yet, only
    347. 

  347. <tt class="docutils literal"><span class="pre">Task</span></tt> classes.</li>
    348. 

  348. <li><tt class="docutils literal"><span class="pre">autodiscover()</span></tt> now works with zipped eggs.</li>
    349. 

  349. <li>celeryd: Now adds curernt working directory to <tt class="docutils literal"><span class="pre">sys.path</span></tt> for
    350. 

  350. convenience.</li>
    351. 

  351. <li>The <tt class="docutils literal"><span class="pre">run_every</span></tt> attribute of <tt class="docutils literal"><span class="pre">PeriodicTask</span></tt> classes can now be a
    352. 

  352. <tt class="docutils literal"><span class="pre">datetime.timedelta()</span></tt> object.</li>
    353. 

  353. <li>celeryd: You can now set the <tt class="docutils literal"><span class="pre">DJANGO_PROJECT_DIR</span></tt> variable
    354. 

  354. for <tt class="docutils literal"><span class="pre">celeryd</span></tt> and it will add that to <tt class="docutils literal"><span class="pre">sys.path</span></tt> for easy launching.</li>
    355. 

  355. <li>Can now check if a task has been executed or not via HTTP.</li>
    356. 

  356. </ul>
    357. 

  357. <p>You can do this by including the celery <tt class="docutils literal"><span class="pre">urls.py</span></tt> into your project,</p>
    358. 

  358. <div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">url</span><span class="p">(</span><span class="s">r&#39;^celery/$&#39;</span><span class="p">,</span> <span class="n">include</span><span class="p">(</span><span class="s">&quot;celery.urls&quot;</span><span class="p">))</span>
    359. 

  359. </pre></div>
    360. 

  360. </div>
    361. 

  361. <p>then visiting the following url,:</p>
    362. 

  362. <div class="highlight-python"><pre>http://mysite/celery/$task_id/done/</pre>
    363. 

  363. </div>
    364. 

  364. <p>this will return a JSON dictionary like e.g:</p>
    365. 

  365. <div class="highlight-python"><pre>&gt;&gt;&gt; {"task": {"id": $task_id, "executed": true}}</pre>
    366. 

  366. </div>
    367. 

  367. <ul class="simple">
    368. 

  368. <li><tt class="docutils literal"><span class="pre">delay_task</span></tt> now returns string id, not <tt class="docutils literal"><span class="pre">uuid.UUID</span></tt> instance.</li>
    369. 

  369. <li>Now has <tt class="docutils literal"><span class="pre">PeriodicTasks</span></tt>, to have <tt class="docutils literal"><span class="pre">cron</span></tt> like functionality.</li>
    370. 

  370. <li>Project changed name from <tt class="docutils literal"><span class="pre">crunchy</span></tt> to <tt class="docutils literal"><span class="pre">celery</span></tt>. The details of
    371. 

  371. the name change request is in <tt class="docutils literal"><span class="pre">docs/name_change_request.txt</span></tt>.</li>
    372. 

  372. </ul>
    373. 

  373. </blockquote>
    374. 

  374. </div>
    375. 

  375. <div class="section" id="a-m-cet-askh-opera-com">
    376. 

  376. <h2>0.1.0 [2009-04-24 11:28 A.M CET] <a class="reference external" href="mailto:askh&#37;&#52;&#48;opera&#46;com">askh<span>&#64;</span>opera<span>&#46;</span>com</a><a class="headerlink" href="#a-m-cet-askh-opera-com" title="Permalink to this headline">¶</a></h2>
    377. 

  377. <ul class="simple">
    378. 

  378. <li>Initial release</li>
    379. 

  379. </ul>
    380. 

  380. </div>
    381. 

  381. </div>
    382. 

  382. 

  383. 

  384. 	      </div>
    385. 

  385. 	    </div>
    386. 

  386. 	  </div>
    387. 

  387. 	</div>
    388. 

  388. 	<div class="sidebar">
    389. 

  389. 	  <h3>Contents</h3>
    390. 

  390. 	  <ul class="current">
    391. 

  391. <li class="toctree-l1"><a class="reference external" href="introduction.html">celery - Distributed Task Queue for Django.</a></li>
    392. 

  392. <li class="toctree-l1"><a class="reference external" href="faq.html">Frequently Asked Questions</a></li>
    393. 

  393. <li class="toctree-l1"><a class="reference external" href="reference/index.html">Module API Reference</a></li>
    394. 

  394. <li class="toctree-l1 current"><a class="current reference external" href="">Change history</a><ul>
    395. 

  395. <li class="toctree-l2"><a class="reference external" href="#p-m-cet-askh-opera-com">0.3.3 [2009-06-08 01:07 P.M CET] askh&#64;opera.com</a></li>
    396. 

  396. <li class="toctree-l2"><a class="reference external" href="#id1">0.3.2 [2009-06-08 01:07 P.M CET] askh&#64;opera.com</a></li>
    397. 

  397. <li class="toctree-l2"><a class="reference external" href="#id2">0.3.1 [2009-06-08 01:07 P.M CET] askh&#64;opera.com</a></li>
    398. 

  398. <li class="toctree-l2"><a class="reference external" href="#id3">0.3.0 [2009-06-08 12:41 P.M CET] askh&#64;opera.com</a></li>
    399. 

  399. <li class="toctree-l2"><a class="reference external" href="#id4">0.2.0 [2009-05-20 05:14 P.M CET] askh&#64;opera.com</a></li>
    400. 

  400. <li class="toctree-l2"><a class="reference external" href="#pre3-2009-05-20-05-14-p-m-cet-askh-opera-com">0.2.0-pre3 [2009-05-20 05:14 P.M CET] askh&#64;opera.com</a></li>
    401. 

  401. <li class="toctree-l2"><a class="reference external" href="#pre2-2009-05-20-01-56-p-m-cet-askh-opera-com">0.2.0-pre2 [2009-05-20 01:56 P.M CET] askh&#64;opera.com</a></li>
    402. 

  402. <li class="toctree-l2"><a class="reference external" href="#pre1-2009-05-20-12-33-p-m-cet-askh-opera-com">0.2.0-pre1 [2009-05-20 12:33 P.M CET] askh&#64;opera.com</a></li>
    403. 

  403. <li class="toctree-l2"><a class="reference external" href="#id5">0.1.15 [2009-05-19 04:13 P.M CET] askh&#64;opera.com</a></li>
    404. 

  404. <li class="toctree-l2"><a class="reference external" href="#id6">0.1.14 [2009-05-19 01:08 P.M CET] askh&#64;opera.com</a></li>
    405. 

  405. <li class="toctree-l2"><a class="reference external" href="#id7">0.1.13 [2009-05-19 12:36 P.M CET] askh&#64;opera.com</a></li>
    406. 

  406. <li class="toctree-l2"><a class="reference external" href="#id8">0.1.12 [2009-05-18 04:38 P.M CET] askh&#64;opera.com</a></li>
    407. 

  407. <li class="toctree-l2"><a class="reference external" href="#id9">0.1.11 [2009-05-12 02:08 P.M CET] askh&#64;opera.com</a></li>
    408. 

  408. <li class="toctree-l2"><a class="reference external" href="#id10">0.1.10 [2009-05-11 12:46 P.M CET] askh&#64;opera.com</a></li>
    409. 

  409. <li class="toctree-l2"><a class="reference external" href="#id11">0.1.8 [2009-05-07 12:27 P.M CET] askh&#64;opera.com</a></li>
    410. 

  410. <li class="toctree-l2"><a class="reference external" href="#id12">0.1.7 [2009-04-30 1:50 P.M CET] askh&#64;opera.com</a></li>
    411. 

  411. <li class="toctree-l2"><a class="reference external" href="#id13">0.1.6 [2009-04-28 2:13 P.M CET] askh&#64;opera.com</a></li>
    412. 

  412. <li class="toctree-l2"><a class="reference external" href="#a-m-cet-askh-opera-com">0.1.0 [2009-04-24 11:28 A.M CET] askh&#64;opera.com</a></li>
    413. 

  413. </ul>
    414. 

  414. </li>
    415. 

  415. </ul>
    416. 

  416. 

  417. 	  <h3 style="margin-top: 1.5em;">Search</h3>
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    425. 

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