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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>0.3.0 [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="#p-m-cet-askh-opera-com" title="Permalink to this headline">¶</a></h2>
    52. 

  52. <p><strong>NOTE</strong> This is a development version, for the stable release, please
    53. 

  53. see versions 0.2.x.</p>
    54. 

  54. <p><strong>VERY IMPORTANT:</strong> Pickle is now the encoder used for serializing task
    55. 

  55. arguments, so be sure to flush your task queue before you upgrade.</p>
    56. 

  56. <ul>
    57. 

  57. <li><dl class="first docutils">
    58. 

  58. <dt><strong>IMPORTANT</strong> TaskSet.run() now returns a celery.result.TaskSetResult</dt>
    59. 

  59. <dd><p class="first last">instance, which lets you inspect the status and return values of a
    60. 

  60. taskset as it was a single entity.</p>
    61. 

  61. </dd>
    62. 

  62. </dl>
    63. 

  63. </li>
    64. 

  64. <li><p class="first"><strong>IMPORTANT</strong> Celery now depends on carrot &gt;= 0.4.0.</p>
    65. 

  65. </li>
    66. 

  66. <li><dl class="first docutils">
    67. 

  67. <dt>The celery daemon now sends task errors to the registered admin e-mails.</dt>
    68. 

  68. <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
    69. 

  69. <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>
    70. 

  70. </dd>
    71. 

  71. </dl>
    72. 

  72. </li>
    73. 

  73. <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>
    74. 

  74. <div class="highlight-python"><pre>        $ python manage.py celeryd
    75. 

  75. 

  76. Thanks to Grégoire Cachet.</pre>
    77. 

  77. </div>
    78. 

  78. </li>
    79. 

  79. <li><dl class="first docutils">
    80. 

  80. <dt>Added support for message priorities, topic exchanges, custom routing</dt>
    81. 

  81. <dd><p class="first">keys for tasks. This means we have introduced
    82. 

  82. <tt class="docutils literal"><span class="pre">celery.task.apply_async</span></tt>, a new way of executing tasks.</p>
    83. 

  83. <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
    84. 

  84. if you want greater control over the message sent, you want
    85. 

  85. <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>
    86. 

  86. <p>This also means the AMQP configuration has changed. Some settings has
    87. 

  87. been renamed, while others are new:</p>
    88. 

  88. <div class="highlight-python"><div class="highlight"><pre><span class="n">CELERY_AMQP_EXCHANGE</span>
    89. 

  89. <span class="n">CELERY_AMQP_PUBLISHER_ROUTING_KEY</span>
    90. 

  90. <span class="n">CELERY_AMQP_CONSUMER_ROUTING_KEY</span>
    91. 

  91. <span class="n">CELERY_AMQP_CONSUMER_QUEUE</span>
    92. 

  92. <span class="n">CELERY_AMQP_EXCHANGE_TYPE</span>
    93. 

  93. </pre></div>
    94. 

  94. </div>
    95. 

  95. <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
    96. 

  96. <a class="reference external" href="http://ask.github.com/celery/faq.html">FAQ</a> for more information.</p>
    97. 

  97. </dd>
    98. 

  98. </dl>
    99. 

  99. </li>
    100. 

  100. </ul>
    101. 

  101. <ul>
    102. 

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

  103. <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>
    104. 

  104. <dd><p class="first last">and backtraces are dumped. Thanks to Grégoire Cachet.</p>
    105. 

  105. </dd>
    106. 

  106. </dl>
    107. 

  107. </li>
    108. 

  108. <li><dl class="first docutils">
    109. 

  109. <dt><strong>IMOPORTANT</strong> Now using pickle to encode task arguments. This means you</dt>
    110. 

  110. <dd><p class="first last">now can pass complex python objects to tasks as arguments.</p>
    111. 

  111. </dd>
    112. 

  112. </dl>
    113. 

  113. </li>
    114. 

  114. <li><p class="first">Removed dependency on <tt class="docutils literal"><span class="pre">yadayada</span></tt>.</p>
    115. 

  115. </li>
    116. 

  116. <li><p class="first">Added a FAQ, see <tt class="docutils literal"><span class="pre">docs/faq.rst</span></tt>.</p>
    117. 

  117. </li>
    118. 

  118. <li><dl class="first docutils">
    119. 

  119. <dt>Now converts any unicode keys in task <tt class="docutils literal"><span class="pre">kwargs</span></tt> to regular strings.</dt>
    120. 

  120. <dd><p class="first last">Thanks Vitaly Babiy.</p>
    121. 

  121. </dd>
    122. 

  122. </dl>
    123. 

  123. </li>
    124. 

  124. <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>
    125. 

  125. </li>
    126. 

  126. <li><dl class="first docutils">
    127. 

  127. <dt><tt class="docutils literal"><span class="pre">celery.datastructures.TaskProcessQueue</span></tt> is now renamed to</dt>
    128. 

  128. <dd><p class="first last"><tt class="docutils literal"><span class="pre">celery.pool.TaskPool</span></tt>.</p>
    129. 

  129. </dd>
    130. 

  130. </dl>
    131. 

  131. </li>
    132. 

  132. <li><dl class="first docutils">
    133. 

  133. <dt>The pool algorithm has been refactored for greater performance and</dt>
    134. 

  134. <dd><p class="first last">stability.</p>
    135. 

  135. </dd>
    136. 

  136. </dl>
    137. 

  137. </li>
    138. 

  138. </ul>
    139. 

  139. </div>
    140. 

  140. <div class="section" id="id1">
    141. 

  141. <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="#id1" title="Permalink to this headline">¶</a></h2>
    142. 

  142. <ul class="simple">
    143. 

  143. <li>Final release of 0.2.0</li>
    144. 

  144. <li>Compatible with carrot version 0.4.0.</li>
    145. 

  145. <li>Fixes some syntax errors related to fetching results
    146. 

  146. from the database backend.</li>
    147. 

  147. </ul>
    148. 

  148. </div>
    149. 

  149. <div class="section" id="pre3-2009-05-20-05-14-p-m-cet-askh-opera-com">
    150. 

  150. <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>
    151. 

  151. <ul>
    152. 

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

  153. <dt><em>Internal release</em>. Improved handling of unpickled exceptions,</dt>
    154. 

  154. <dd><p class="first last">get_result() now tries to recreate something looking like the
    155. 

  155. original exception.</p>
    156. 

  156. </dd>
    157. 

  157. </dl>
    158. 

  158. </li>
    159. 

  159. </ul>
    160. 

  160. </div>
    161. 

  161. <div class="section" id="pre2-2009-05-20-01-56-p-m-cet-askh-opera-com">
    162. 

  162. <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>
    163. 

  163. <ul class="simple">
    164. 

  164. <li>Now handles unpickleable exceptions (like the dynimically generated
    165. 

  165. subclasses of <tt class="docutils literal"><span class="pre">django.core.exception.MultipleObjectsReturned</span></tt>).</li>
    166. 

  166. </ul>
    167. 

  167. </div>
    168. 

  168. <div class="section" id="pre1-2009-05-20-12-33-p-m-cet-askh-opera-com">
    169. 

  169. <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>
    170. 

  170. <ul class="simple">
    171. 

  171. <li>It&#8217;s getting quite stable, with a lot of new features, so bump
    172. 

  172. version to 0.2. This is a pre-release.</li>
    173. 

  173. <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
    174. 

  174. been removed. Use <tt class="docutils literal"><span class="pre">celery.backends.default_backend.mark_as_read()</span></tt>,
    175. 

  175. and <tt class="docutils literal"><span class="pre">celery.backends.default_backend.mark_as_failure()</span></tt> instead.</li>
    176. 

  176. </ul>
    177. 

  177. </div>
    178. 

  178. <div class="section" id="id2">
    179. 

  179. <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="#id2" title="Permalink to this headline">¶</a></h2>
    180. 

  180. <ul class="simple">
    181. 

  181. <li>The celery daemon was leaking AMQP connections, this should be fixed,
    182. 

  182. if you have any problems with too many files open (like <tt class="docutils literal"><span class="pre">emfile</span></tt>
    183. 

  183. errors in <tt class="docutils literal"><span class="pre">rabbit.log</span></tt>, please contact us!</li>
    184. 

  184. </ul>
    185. 

  185. </div>
    186. 

  186. <div class="section" id="id3">
    187. 

  187. <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="#id3" title="Permalink to this headline">¶</a></h2>
    188. 

  188. <ul class="simple">
    189. 

  189. <li>Fixed a syntax error in the <tt class="docutils literal"><span class="pre">TaskSet</span></tt> class.  (No such variable
    190. 

  190. <tt class="docutils literal"><span class="pre">TimeOutError</span></tt>).</li>
    191. 

  191. </ul>
    192. 

  192. </div>
    193. 

  193. <div class="section" id="id4">
    194. 

  194. <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="#id4" title="Permalink to this headline">¶</a></h2>
    195. 

  195. <ul>
    196. 

  196. <li><p class="first">Forgot to add <tt class="docutils literal"><span class="pre">yadayada</span></tt> to install requirements.</p>
    197. 

  197. </li>
    198. 

  198. <li><p class="first">Now deletes all expired task results, not just those marked as done.</p>
    199. 

  199. </li>
    200. 

  200. <li><p class="first">Able to load the Tokyo Tyrant backend class without django
    201. 

  201. configuration, can specify tyrant settings directly in the class
    202. 

  202. constructor.</p>
    203. 

  203. </li>
    204. 

  204. <li><p class="first">Improved API documentation</p>
    205. 

  205. </li>
    206. 

  206. <li><p class="first">Now using the Sphinx documentation system, you can build
    207. 

  207. the html documentation by doing</p>
    208. 

  208. <div class="highlight-python"><pre>$ cd docs
    209. 

  209. $ make html</pre>
    210. 

  210. </div>
    211. 

  211. <p>and the result will be in <tt class="docutils literal"><span class="pre">docs/.build/html</span></tt>.</p>
    212. 

  212. </li>
    213. 

  213. </ul>
    214. 

  214. </div>
    215. 

  215. <div class="section" id="id5">
    216. 

  216. <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="#id5" title="Permalink to this headline">¶</a></h2>
    217. 

  217. <ul>
    218. 

  218. <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,
    219. 

  219. which lets you check the result and any failure that might have
    220. 

  220. happened.  It kind of works like the <tt class="docutils literal"><span class="pre">multiprocessing.AsyncResult</span></tt>
    221. 

  221. class returned by <tt class="docutils literal"><span class="pre">multiprocessing.Pool.map_async</span></tt>.</p>
    222. 

  222. </li>
    223. 

  223. <li><p class="first">Added dmap() and dmap_async(). This works like the
    224. 

  224. <tt class="docutils literal"><span class="pre">multiprocessing.Pool</span></tt> versions except they are tasks
    225. 

  225. distributed to the celery server. Example:</p>
    226. 

  226. <blockquote>
    227. 

  227. <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>
    228. 

  228. <span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">operator</span>
    229. 

  229. <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>
    230. 

  230. <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>
    231. 

  231. </pre></div>
    232. 

  232. </div>
    233. 

  233. <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>
    234. 

  234. <span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">operator</span>
    235. 

  235. <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>
    236. 

  236. <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>
    237. 

  237. <span class="go">False</span>
    238. 

  238. <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>
    239. 

  239. <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>
    240. 

  240. <span class="go">True</span>
    241. 

  241. <span class="gp">&gt;&gt;&gt; </span><span class="n">result</span><span class="o">.</span><span class="n">result</span>
    242. 

  242. <span class="go">[4, 8, 16]</span>
    243. 

  243. </pre></div>
    244. 

  244. </div>
    245. 

  245. </blockquote>
    246. 

  246. </li>
    247. 

  247. <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>
    248. 

  248. <blockquote>
    249. 

  249. <p>CELERY_BACKEND = &#8220;database&#8221;; # Uses the database</p>
    250. 

  250. <p>CELERY_BACKEND = &#8220;cache&#8221;; # Uses the django cache framework</p>
    251. 

  251. <p>CELERY_BACKEND = &#8220;tyrant&#8221;; # Uses Tokyo Tyrant
    252. 

  252. TT_HOST = &#8220;localhost&#8221;; # Hostname for the Tokyo Tyrant server.
    253. 

  253. TT_PORT = 6657; # Port of the Tokyo Tyrant server.</p>
    254. 

  254. </blockquote>
    255. 

  255. </li>
    256. 

  256. </ul>
    257. 

  257. </div>
    258. 

  258. <div class="section" id="id6">
    259. 

  259. <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="#id6" title="Permalink to this headline">¶</a></h2>
    260. 

  260. <ul class="simple">
    261. 

  261. <li>The logging system was leaking file descriptors, resulting in
    262. 

  262. servers stopping with the EMFILES (too many open files) error. (fixed)</li>
    263. 

  263. </ul>
    264. 

  264. </div>
    265. 

  265. <div class="section" id="id7">
    266. 

  266. <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="#id7" title="Permalink to this headline">¶</a></h2>
    267. 

  267. <ul class="simple">
    268. 

  268. <li>Tasks now supports both positional arguments and keyword arguments.</li>
    269. 

  269. <li>Requires carrot 0.3.8.</li>
    270. 

  270. <li>The daemon now tries to reconnect if the connection is lost.</li>
    271. 

  271. </ul>
    272. 

  272. </div>
    273. 

  273. <div class="section" id="id8">
    274. 

  274. <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="#id8" title="Permalink to this headline">¶</a></h2>
    275. 

  275. <ul class="simple">
    276. 

  276. <li>Better test coverage</li>
    277. 

  277. <li>More documentation</li>
    278. 

  278. <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
    279. 

  279. <tt class="docutils literal"><span class="pre">settings.CELERYD_EMPTY_MSG_EMIT_EVERY</span></tt> is 0.</li>
    280. 

  280. </ul>
    281. 

  281. </div>
    282. 

  282. <div class="section" id="id9">
    283. 

  283. <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="#id9" title="Permalink to this headline">¶</a></h2>
    284. 

  284. <ul class="simple">
    285. 

  285. <li>Added some unittests</li>
    286. 

  286. <li>Can now use the database for task metadata (like if the task has
    287. 

  287. been executed or not). Set <tt class="docutils literal"><span class="pre">settings.CELERY_TASK_META</span></tt></li>
    288. 

  288. <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
    289. 

  289. within the <tt class="docutils literal"><span class="pre">testproj</span></tt> project.</li>
    290. 

  290. <li>Can set the AMQP exchange/routing key/queue using
    291. 

  291. <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>,
    292. 

  292. and <tt class="docutils literal"><span class="pre">settings.CELERY_AMQP_CONSUMER_QUEUE</span></tt>.</li>
    293. 

  293. </ul>
    294. 

  294. </div>
    295. 

  295. <div class="section" id="id10">
    296. 

  296. <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="#id10" title="Permalink to this headline">¶</a></h2>
    297. 

  297. <blockquote>
    298. 

  298. <ul class="simple">
    299. 

  299. <li>Introducing <tt class="docutils literal"><span class="pre">TaskSet</span></tt>. A set of subtasks is executed and you can
    300. 

  300. find out how many, or if all them, are done (excellent for progress bars and such)</li>
    301. 

  301. <li>Now catches all exceptions when running <tt class="docutils literal"><span class="pre">Task.__call__</span></tt>, so the
    302. 

  302. daemon doesn&#8217;t die. This does&#8217;t happen for pure functions yet, only
    303. 

  303. <tt class="docutils literal"><span class="pre">Task</span></tt> classes.</li>
    304. 

  304. <li><tt class="docutils literal"><span class="pre">autodiscover()</span></tt> now works with zipped eggs.</li>
    305. 

  305. <li>celeryd: Now adds curernt working directory to <tt class="docutils literal"><span class="pre">sys.path</span></tt> for
    306. 

  306. convenience.</li>
    307. 

  307. <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
    308. 

  308. <tt class="docutils literal"><span class="pre">datetime.timedelta()</span></tt> object.</li>
    309. 

  309. <li>celeryd: You can now set the <tt class="docutils literal"><span class="pre">DJANGO_PROJECT_DIR</span></tt> variable
    310. 

  310. 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>
    311. 

  311. <li>Can now check if a task has been executed or not via HTTP.</li>
    312. 

  312. </ul>
    313. 

  313. <p>You can do this by including the celery <tt class="docutils literal"><span class="pre">urls.py</span></tt> into your project,</p>
    314. 

  314. <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>
    315. 

  315. </pre></div>
    316. 

  316. </div>
    317. 

  317. <p>then visiting the following url,:</p>
    318. 

  318. <div class="highlight-python"><pre>http://mysite/celery/$task_id/done/</pre>
    319. 

  319. </div>
    320. 

  320. <p>this will return a JSON dictionary like e.g:</p>
    321. 

  321. <div class="highlight-python"><pre>&gt;&gt;&gt; {"task": {"id": $task_id, "executed": true}}</pre>
    322. 

  322. </div>
    323. 

  323. <ul class="simple">
    324. 

  324. <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>
    325. 

  325. <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>
    326. 

  326. <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
    327. 

  327. the name change request is in <tt class="docutils literal"><span class="pre">docs/name_change_request.txt</span></tt>.</li>
    328. 

  328. </ul>
    329. 

  329. </blockquote>
    330. 

  330. </div>
    331. 

  331. <div class="section" id="a-m-cet-askh-opera-com">
    332. 

  332. <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>
    333. 

  333. <ul class="simple">
    334. 

  334. <li>Initial release</li>
    335. 

  335. </ul>
    336. 

  336. </div>
    337. 

  337. </div>
    338. 

  338. 

  339. 

  340. 	      </div>
    341. 

  341. 	    </div>
    342. 

  342. 	  </div>
    343. 

  343. 	</div>
    344. 

  344. 	<div class="sidebar">
    345. 

  345. 	  <h3>Contents</h3>
    346. 

  346. 	  <ul class="current">
    347. 

  347. <li class="toctree-l1"><a class="reference external" href="introduction.html">celery - Distributed Task Queue for Django.</a></li>
    348. 

  348. <li class="toctree-l1"><a class="reference external" href="faq.html">Frequently Asked Questions</a></li>
    349. 

  349. <li class="toctree-l1"><a class="reference external" href="reference/index.html">Module API Reference</a></li>
    350. 

  350. <li class="toctree-l1 current"><a class="current reference external" href="">Change history</a><ul>
    351. 

  351. <li class="toctree-l2"><a class="reference external" href="#p-m-cet-askh-opera-com">0.3.0 [2009-06-08 12:41 P.M CET] askh&#64;opera.com</a></li>
    352. 

  352. <li class="toctree-l2"><a class="reference external" href="#id1">0.2.0 [2009-05-20 05:14 P.M CET] askh&#64;opera.com</a></li>
    353. 

  353. <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>
    354. 

  354. <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>
    355. 

  355. <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>
    356. 

  356. <li class="toctree-l2"><a class="reference external" href="#id2">0.1.15 [2009-05-19 04:13 P.M CET] askh&#64;opera.com</a></li>
    357. 

  357. <li class="toctree-l2"><a class="reference external" href="#id3">0.1.14 [2009-05-19 01:08 P.M CET] askh&#64;opera.com</a></li>
    358. 

  358. <li class="toctree-l2"><a class="reference external" href="#id4">0.1.13 [2009-05-19 12:36 P.M CET] askh&#64;opera.com</a></li>
    359. 

  359. <li class="toctree-l2"><a class="reference external" href="#id5">0.1.12 [2009-05-18 04:38 P.M CET] askh&#64;opera.com</a></li>
    360. 

  360. <li class="toctree-l2"><a class="reference external" href="#id6">0.1.11 [2009-05-12 02:08 P.M CET] askh&#64;opera.com</a></li>
    361. 

  361. <li class="toctree-l2"><a class="reference external" href="#id7">0.1.10 [2009-05-11 12:46 P.M CET] askh&#64;opera.com</a></li>
    362. 

  362. <li class="toctree-l2"><a class="reference external" href="#id8">0.1.8 [2009-05-07 12:27 P.M CET] askh&#64;opera.com</a></li>
    363. 

  363. <li class="toctree-l2"><a class="reference external" href="#id9">0.1.7 [2009-04-30 1:50 P.M CET] askh&#64;opera.com</a></li>
    364. 

  364. <li class="toctree-l2"><a class="reference external" href="#id10">0.1.6 [2009-04-28 2:13 P.M CET] askh&#64;opera.com</a></li>
    365. 

  365. <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>
    366. 

  366. </ul>
    367. 

  367. </li>
    368. 

  368. </ul>
    369. 

  369. 

  370. 	  <h3 style="margin-top: 1.5em;">Search</h3>
    371. 

  371. 	  <form class="search" action="search.html" method="get">
    372. 

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  374.             <input type="hidden" name="check_keywords" value="yes" />
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    376. 

  376.           </form>
    377. 

  377.           <p class="searchtip" style="font-size: 90%">
    378. 

  378.             Enter search terms or a module, class or function name.
    379. 

  379.           </p>
    380. 

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    389. 

  389.              >index</a> |
    390. 

  390.           <a href="modindex.html" title="Global Module Index"
    391. 

  391.              >modules</a> |
    392. 

  392.           <a href="reference/celery.bin.celeryd.html" title="Celery Worker Daemon - celery.bin.celeryd"
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