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Package pyspark
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<h1 class="epydoc">Source Code for <a href="pyspark-module.html">Package pyspark</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno"> 1</tt> <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L2"></a><tt class="py-lineno"> 2</tt> <tt class="py-line"><tt class="py-comment"># Licensed to the Apache Software Foundation (ASF) under one or more</tt> </tt>
<a name="L3"></a><tt class="py-lineno"> 3</tt> <tt class="py-line"><tt class="py-comment"># contributor license agreements. See the NOTICE file distributed with</tt> </tt>
<a name="L4"></a><tt class="py-lineno"> 4</tt> <tt class="py-line"><tt class="py-comment"># this work for additional information regarding copyright ownership.</tt> </tt>
<a name="L5"></a><tt class="py-lineno"> 5</tt> <tt class="py-line"><tt class="py-comment"># The ASF licenses this file to You under the Apache License, Version 2.0</tt> </tt>
<a name="L6"></a><tt class="py-lineno"> 6</tt> <tt class="py-line"><tt class="py-comment"># (the "License"); you may not use this file except in compliance with</tt> </tt>
<a name="L7"></a><tt class="py-lineno"> 7</tt> <tt class="py-line"><tt class="py-comment"># the License. You may obtain a copy of the License at</tt> </tt>
<a name="L8"></a><tt class="py-lineno"> 8</tt> <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L9"></a><tt class="py-lineno"> 9</tt> <tt class="py-line"><tt class="py-comment"># http://www.apache.org/licenses/LICENSE-2.0</tt> </tt>
<a name="L10"></a><tt class="py-lineno">10</tt> <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L11"></a><tt class="py-lineno">11</tt> <tt class="py-line"><tt class="py-comment"># Unless required by applicable law or agreed to in writing, software</tt> </tt>
<a name="L12"></a><tt class="py-lineno">12</tt> <tt class="py-line"><tt class="py-comment"># distributed under the License is distributed on an "AS IS" BASIS,</tt> </tt>
<a name="L13"></a><tt class="py-lineno">13</tt> <tt class="py-line"><tt class="py-comment"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</tt> </tt>
<a name="L14"></a><tt class="py-lineno">14</tt> <tt class="py-line"><tt class="py-comment"># See the License for the specific language governing permissions and</tt> </tt>
<a name="L15"></a><tt class="py-lineno">15</tt> <tt class="py-line"><tt class="py-comment"># limitations under the License.</tt> </tt>
<a name="L16"></a><tt class="py-lineno">16</tt> <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L17"></a><tt class="py-lineno">17</tt> <tt class="py-line"> </tt>
<a name="L18"></a><tt class="py-lineno">18</tt> <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L19"></a><tt class="py-lineno">19</tt> <tt class="py-line"><tt class="py-docstring">PySpark is the Python API for Spark.</tt> </tt>
<a name="L20"></a><tt class="py-lineno">20</tt> <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L21"></a><tt class="py-lineno">21</tt> <tt class="py-line"><tt class="py-docstring">Public classes:</tt> </tt>
<a name="L22"></a><tt class="py-lineno">22</tt> <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L23"></a><tt class="py-lineno">23</tt> <tt class="py-line"><tt class="py-docstring"> - L{SparkContext<pyspark.context.SparkContext>}</tt> </tt>
<a name="L24"></a><tt class="py-lineno">24</tt> <tt class="py-line"><tt class="py-docstring"> Main entry point for Spark functionality.</tt> </tt>
<a name="L25"></a><tt class="py-lineno">25</tt> <tt class="py-line"><tt class="py-docstring"> - L{RDD<pyspark.rdd.RDD>}</tt> </tt>
<a name="L26"></a><tt class="py-lineno">26</tt> <tt class="py-line"><tt class="py-docstring"> A Resilient Distributed Dataset (RDD), the basic abstraction in Spark.</tt> </tt>
<a name="L27"></a><tt class="py-lineno">27</tt> <tt class="py-line"><tt class="py-docstring"> - L{Broadcast<pyspark.broadcast.Broadcast>}</tt> </tt>
<a name="L28"></a><tt class="py-lineno">28</tt> <tt class="py-line"><tt class="py-docstring"> A broadcast variable that gets reused across tasks.</tt> </tt>
<a name="L29"></a><tt class="py-lineno">29</tt> <tt class="py-line"><tt class="py-docstring"> - L{Accumulator<pyspark.accumulators.Accumulator>}</tt> </tt>
<a name="L30"></a><tt class="py-lineno">30</tt> <tt class="py-line"><tt class="py-docstring"> An "add-only" shared variable that tasks can only add values to.</tt> </tt>
<a name="L31"></a><tt class="py-lineno">31</tt> <tt class="py-line"><tt class="py-docstring"> - L{SparkConf<pyspark.conf.SparkConf>}</tt> </tt>
<a name="L32"></a><tt class="py-lineno">32</tt> <tt class="py-line"><tt class="py-docstring"> For configuring Spark.</tt> </tt>
<a name="L33"></a><tt class="py-lineno">33</tt> <tt class="py-line"><tt class="py-docstring"> - L{SparkFiles<pyspark.files.SparkFiles>}</tt> </tt>
<a name="L34"></a><tt class="py-lineno">34</tt> <tt class="py-line"><tt class="py-docstring"> Access files shipped with jobs.</tt> </tt>
<a name="L35"></a><tt class="py-lineno">35</tt> <tt class="py-line"><tt class="py-docstring"> - L{StorageLevel<pyspark.storagelevel.StorageLevel>}</tt> </tt>
<a name="L36"></a><tt class="py-lineno">36</tt> <tt class="py-line"><tt class="py-docstring"> Finer-grained cache persistence levels.</tt> </tt>
<a name="L37"></a><tt class="py-lineno">37</tt> <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L38"></a><tt class="py-lineno">38</tt> <tt class="py-line"> </tt>
<a name="L39"></a><tt class="py-lineno">39</tt> <tt class="py-line"> </tt>
<a name="L40"></a><tt class="py-lineno">40</tt> <tt class="py-line"> </tt>
<a name="L41"></a><tt class="py-lineno">41</tt> <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">sys</tt> </tt>
<a name="L42"></a><tt class="py-lineno">42</tt> <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">os</tt> </tt>
<a name="L43"></a><tt class="py-lineno">43</tt> <tt class="py-line"><tt class="py-name">sys</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">insert</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">,</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt id="link-0" class="py-name" targets="Method pyspark.rdd.RDD.join()=pyspark.rdd.RDD-class.html#join"><a title="pyspark.rdd.RDD.join" class="py-name" href="#" onclick="return doclink('link-0', 'join', 'link-0');">join</a></tt><tt class="py-op">(</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">environ</tt><tt class="py-op">[</tt><tt class="py-string">"SPARK_HOME"</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-string">"python/lib/py4j-0.8.1-src.zip"</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L44"></a><tt class="py-lineno">44</tt> <tt class="py-line"> </tt>
<a name="L45"></a><tt class="py-lineno">45</tt> <tt class="py-line"> </tt>
<a name="L46"></a><tt class="py-lineno">46</tt> <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-1" class="py-name" targets="Package pyspark=pyspark-module.html"><a title="pyspark" class="py-name" href="#" onclick="return doclink('link-1', 'pyspark', 'link-1');">pyspark</a></tt><tt class="py-op">.</tt><tt id="link-2" class="py-name" targets="Module pyspark.conf=pyspark.conf-module.html"><a title="pyspark.conf" class="py-name" href="#" onclick="return doclink('link-2', 'conf', 'link-2');">conf</a></tt> <tt class="py-keyword">import</tt> <tt id="link-3" class="py-name" targets="Class pyspark.conf.SparkConf=pyspark.conf.SparkConf-class.html"><a title="pyspark.conf.SparkConf" class="py-name" href="#" onclick="return doclink('link-3', 'SparkConf', 'link-3');">SparkConf</a></tt> </tt>
<a name="L47"></a><tt class="py-lineno">47</tt> <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-4" class="py-name"><a title="pyspark" class="py-name" href="#" onclick="return doclink('link-4', 'pyspark', 'link-1');">pyspark</a></tt><tt class="py-op">.</tt><tt id="link-5" class="py-name" targets="Module pyspark.context=pyspark.context-module.html,Method pyspark.rdd.RDD.context()=pyspark.rdd.RDD-class.html#context"><a title="pyspark.context
pyspark.rdd.RDD.context" class="py-name" href="#" onclick="return doclink('link-5', 'context', 'link-5');">context</a></tt> <tt class="py-keyword">import</tt> <tt id="link-6" class="py-name" targets="Class pyspark.context.SparkContext=pyspark.context.SparkContext-class.html"><a title="pyspark.context.SparkContext" class="py-name" href="#" onclick="return doclink('link-6', 'SparkContext', 'link-6');">SparkContext</a></tt> </tt>
<a name="L48"></a><tt class="py-lineno">48</tt> <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-7" class="py-name"><a title="pyspark" class="py-name" href="#" onclick="return doclink('link-7', 'pyspark', 'link-1');">pyspark</a></tt><tt class="py-op">.</tt><tt id="link-8" class="py-name" targets="Module pyspark.rdd=pyspark.rdd-module.html"><a title="pyspark.rdd" class="py-name" href="#" onclick="return doclink('link-8', 'rdd', 'link-8');">rdd</a></tt> <tt class="py-keyword">import</tt> <tt id="link-9" class="py-name" targets="Class pyspark.rdd.RDD=pyspark.rdd.RDD-class.html"><a title="pyspark.rdd.RDD" class="py-name" href="#" onclick="return doclink('link-9', 'RDD', 'link-9');">RDD</a></tt> </tt>
<a name="L49"></a><tt class="py-lineno">49</tt> <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-10" class="py-name"><a title="pyspark" class="py-name" href="#" onclick="return doclink('link-10', 'pyspark', 'link-1');">pyspark</a></tt><tt class="py-op">.</tt><tt id="link-11" class="py-name" targets="Module pyspark.files=pyspark.files-module.html"><a title="pyspark.files" class="py-name" href="#" onclick="return doclink('link-11', 'files', 'link-11');">files</a></tt> <tt class="py-keyword">import</tt> <tt id="link-12" class="py-name" targets="Class pyspark.files.SparkFiles=pyspark.files.SparkFiles-class.html"><a title="pyspark.files.SparkFiles" class="py-name" href="#" onclick="return doclink('link-12', 'SparkFiles', 'link-12');">SparkFiles</a></tt> </tt>
<a name="L50"></a><tt class="py-lineno">50</tt> <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-13" class="py-name"><a title="pyspark" class="py-name" href="#" onclick="return doclink('link-13', 'pyspark', 'link-1');">pyspark</a></tt><tt class="py-op">.</tt><tt id="link-14" class="py-name" targets="Module pyspark.storagelevel=pyspark.storagelevel-module.html"><a title="pyspark.storagelevel" class="py-name" href="#" onclick="return doclink('link-14', 'storagelevel', 'link-14');">storagelevel</a></tt> <tt class="py-keyword">import</tt> <tt id="link-15" class="py-name" targets="Class pyspark.storagelevel.StorageLevel=pyspark.storagelevel.StorageLevel-class.html"><a title="pyspark.storagelevel.StorageLevel" class="py-name" href="#" onclick="return doclink('link-15', 'StorageLevel', 'link-15');">StorageLevel</a></tt> </tt>
<a name="L51"></a><tt class="py-lineno">51</tt> <tt class="py-line"> </tt>
<a name="L52"></a><tt class="py-lineno">52</tt> <tt class="py-line"> </tt>
<a name="L53"></a><tt class="py-lineno">53</tt> <tt class="py-line"><tt class="py-name">__all__</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-string">"SparkConf"</tt><tt class="py-op">,</tt> <tt class="py-string">"SparkContext"</tt><tt class="py-op">,</tt> <tt class="py-string">"RDD"</tt><tt class="py-op">,</tt> <tt class="py-string">"SparkFiles"</tt><tt class="py-op">,</tt> <tt class="py-string">"StorageLevel"</tt><tt class="py-op">]</tt> </tt>
<a name="L54"></a><tt class="py-lineno">54</tt> <tt class="py-line"> </tt><script type="text/javascript">
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