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| <h1>Source code for pyspark.conf</h1><div class="highlight"><pre> |
| <span></span><span class="c1">#</span> |
| <span class="c1"># Licensed to the Apache Software Foundation (ASF) under one or more</span> |
| <span class="c1"># contributor license agreements. See the NOTICE file distributed with</span> |
| <span class="c1"># this work for additional information regarding copyright ownership.</span> |
| <span class="c1"># The ASF licenses this file to You under the Apache License, Version 2.0</span> |
| <span class="c1"># (the "License"); you may not use this file except in compliance with</span> |
| <span class="c1"># the License. You may obtain a copy of the License at</span> |
| <span class="c1">#</span> |
| <span class="c1"># http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="c1">#</span> |
| <span class="c1"># Unless required by applicable law or agreed to in writing, software</span> |
| <span class="c1"># distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="c1"># See the License for the specific language governing permissions and</span> |
| <span class="c1"># limitations under the License.</span> |
| <span class="c1">#</span> |
| |
| <span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"SparkConf"</span><span class="p">]</span> |
| |
| <span class="kn">import</span> <span class="nn">sys</span> |
| <span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">Dict</span><span class="p">,</span> <span class="n">List</span><span class="p">,</span> <span class="n">Optional</span><span class="p">,</span> <span class="n">Tuple</span><span class="p">,</span> <span class="n">cast</span><span class="p">,</span> <span class="n">overload</span><span class="p">,</span> <span class="n">TYPE_CHECKING</span> |
| |
| <span class="kn">from</span> <span class="nn">pyspark.util</span> <span class="kn">import</span> <span class="n">is_remote_only</span> |
| <span class="kn">from</span> <span class="nn">pyspark.errors</span> <span class="kn">import</span> <span class="n">PySparkRuntimeError</span> |
| |
| <span class="k">if</span> <span class="n">TYPE_CHECKING</span><span class="p">:</span> |
| <span class="kn">from</span> <span class="nn">py4j.java_gateway</span> <span class="kn">import</span> <span class="n">JVMView</span><span class="p">,</span> <span class="n">JavaObject</span> |
| |
| |
| <div class="viewcode-block" id="SparkConf"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.html#pyspark.SparkConf">[docs]</a><span class="k">class</span> <span class="nc">SparkConf</span><span class="p">:</span> |
| <span class="w"> </span><span class="sd">"""</span> |
| <span class="sd"> Configuration for a Spark application. Used to set various Spark</span> |
| <span class="sd"> parameters as key-value pairs.</span> |
| |
| <span class="sd"> Most of the time, you would create a SparkConf object with</span> |
| <span class="sd"> ``SparkConf()``, which will load values from `spark.*` Java system</span> |
| <span class="sd"> properties as well. In this case, any parameters you set directly on</span> |
| <span class="sd"> the :class:`SparkConf` object take priority over system properties.</span> |
| |
| <span class="sd"> For unit tests, you can also call ``SparkConf(false)`` to skip</span> |
| <span class="sd"> loading external settings and get the same configuration no matter</span> |
| <span class="sd"> what the system properties are.</span> |
| |
| <span class="sd"> All setter methods in this class support chaining. For example,</span> |
| <span class="sd"> you can write ``conf.setMaster("local").setAppName("My app")``.</span> |
| |
| <span class="sd"> Parameters</span> |
| <span class="sd"> ----------</span> |
| <span class="sd"> loadDefaults : bool</span> |
| <span class="sd"> whether to load values from Java system properties (True by default)</span> |
| <span class="sd"> _jvm : class:`py4j.java_gateway.JVMView`</span> |
| <span class="sd"> internal parameter used to pass a handle to the</span> |
| <span class="sd"> Java VM; does not need to be set by users</span> |
| <span class="sd"> _jconf : class:`py4j.java_gateway.JavaObject`</span> |
| <span class="sd"> Optionally pass in an existing SparkConf handle</span> |
| <span class="sd"> to use its parameters</span> |
| |
| <span class="sd"> Notes</span> |
| <span class="sd"> -----</span> |
| <span class="sd"> Once a SparkConf object is passed to Spark, it is cloned</span> |
| <span class="sd"> and can no longer be modified by the user.</span> |
| |
| <span class="sd"> Examples</span> |
| <span class="sd"> --------</span> |
| <span class="sd"> >>> from pyspark import SparkConf, SparkContext</span> |
| <span class="sd"> >>> conf = SparkConf()</span> |
| <span class="sd"> >>> conf.setMaster("local").setAppName("My app")</span> |
| <span class="sd"> <pyspark.conf.SparkConf object at ...></span> |
| <span class="sd"> >>> conf.get("spark.master")</span> |
| <span class="sd"> 'local'</span> |
| <span class="sd"> >>> conf.get("spark.app.name")</span> |
| <span class="sd"> 'My app'</span> |
| <span class="sd"> >>> sc = SparkContext(conf=conf)</span> |
| <span class="sd"> >>> sc.master</span> |
| <span class="sd"> 'local'</span> |
| <span class="sd"> >>> sc.appName</span> |
| <span class="sd"> 'My app'</span> |
| <span class="sd"> >>> sc.sparkHome is None</span> |
| <span class="sd"> True</span> |
| |
| <span class="sd"> >>> conf = SparkConf(loadDefaults=False)</span> |
| <span class="sd"> >>> conf.setSparkHome("/path")</span> |
| <span class="sd"> <pyspark.conf.SparkConf object at ...></span> |
| <span class="sd"> >>> conf.get("spark.home")</span> |
| <span class="sd"> '/path'</span> |
| <span class="sd"> >>> conf.setExecutorEnv("VAR1", "value1")</span> |
| <span class="sd"> <pyspark.conf.SparkConf object at ...></span> |
| <span class="sd"> >>> conf.setExecutorEnv(pairs = [("VAR3", "value3"), ("VAR4", "value4")])</span> |
| <span class="sd"> <pyspark.conf.SparkConf object at ...></span> |
| <span class="sd"> >>> conf.get("spark.executorEnv.VAR1")</span> |
| <span class="sd"> 'value1'</span> |
| <span class="sd"> >>> print(conf.toDebugString())</span> |
| <span class="sd"> spark.executorEnv.VAR1=value1</span> |
| <span class="sd"> spark.executorEnv.VAR3=value3</span> |
| <span class="sd"> spark.executorEnv.VAR4=value4</span> |
| <span class="sd"> spark.home=/path</span> |
| <span class="sd"> >>> for p in sorted(conf.getAll(), key=lambda p: p[0]):</span> |
| <span class="sd"> ... print(p)</span> |
| <span class="sd"> ('spark.executorEnv.VAR1', 'value1')</span> |
| <span class="sd"> ('spark.executorEnv.VAR3', 'value3')</span> |
| <span class="sd"> ('spark.executorEnv.VAR4', 'value4')</span> |
| <span class="sd"> ('spark.home', '/path')</span> |
| <span class="sd"> >>> conf._jconf.setExecutorEnv("VAR5", "value5")</span> |
| <span class="sd"> JavaObject id...</span> |
| <span class="sd"> >>> print(conf.toDebugString())</span> |
| <span class="sd"> spark.executorEnv.VAR1=value1</span> |
| <span class="sd"> spark.executorEnv.VAR3=value3</span> |
| <span class="sd"> spark.executorEnv.VAR4=value4</span> |
| <span class="sd"> spark.executorEnv.VAR5=value5</span> |
| <span class="sd"> spark.home=/path</span> |
| <span class="sd"> """</span> |
| |
| <span class="n">_jconf</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="s2">"JavaObject"</span><span class="p">]</span> |
| <span class="n">_conf</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> |
| |
| <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> |
| <span class="bp">self</span><span class="p">,</span> |
| <span class="n">loadDefaults</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> |
| <span class="n">_jvm</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="s2">"JVMView"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> |
| <span class="n">_jconf</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="s2">"JavaObject"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> |
| <span class="p">):</span> |
| <span class="w"> </span><span class="sd">"""</span> |
| <span class="sd"> Create a new Spark configuration.</span> |
| <span class="sd"> """</span> |
| <span class="k">if</span> <span class="n">_jconf</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span> <span class="o">=</span> <span class="n">_jconf</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="n">jvm</span> <span class="o">=</span> <span class="kc">None</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="n">is_remote_only</span><span class="p">():</span> |
| <span class="kn">from</span> <span class="nn">pyspark.core.context</span> <span class="kn">import</span> <span class="n">SparkContext</span> |
| |
| <span class="n">jvm</span> <span class="o">=</span> <span class="n">_jvm</span> <span class="ow">or</span> <span class="n">SparkContext</span><span class="o">.</span><span class="n">_jvm</span> |
| |
| <span class="k">if</span> <span class="n">jvm</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="c1"># JVM is created, so create self._jconf directly through JVM</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span> <span class="o">=</span> <span class="n">jvm</span><span class="o">.</span><span class="n">SparkConf</span><span class="p">(</span><span class="n">loadDefaults</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="o">=</span> <span class="kc">None</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="c1"># JVM is not created, so store data in self._conf first</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span> <span class="o">=</span> <span class="kc">None</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="o">=</span> <span class="p">{}</span> |
| |
| <div class="viewcode-block" id="SparkConf.set"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.set.html#pyspark.SparkConf.set">[docs]</a> <span class="k">def</span> <span class="nf">set</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="s2">"SparkConf"</span><span class="p">:</span> |
| <span class="w"> </span><span class="sd">"""Set a configuration property."""</span> |
| <span class="c1"># Try to set self._jconf first if JVM is created, set self._conf if JVM is not created yet.</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">value</span><span class="p">))</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="k">assert</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span></div> |
| |
| <div class="viewcode-block" id="SparkConf.setIfMissing"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.setIfMissing.html#pyspark.SparkConf.setIfMissing">[docs]</a> <span class="k">def</span> <span class="nf">setIfMissing</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="s2">"SparkConf"</span><span class="p">:</span> |
| <span class="w"> </span><span class="sd">"""Set a configuration property, if not already set."""</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span></div> |
| |
| <div class="viewcode-block" id="SparkConf.setMaster"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.setMaster.html#pyspark.SparkConf.setMaster">[docs]</a> <span class="k">def</span> <span class="nf">setMaster</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="s2">"SparkConf"</span><span class="p">:</span> |
| <span class="w"> </span><span class="sd">"""Set master URL to connect to."""</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"spark.master"</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span></div> |
| |
| <div class="viewcode-block" id="SparkConf.setAppName"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.setAppName.html#pyspark.SparkConf.setAppName">[docs]</a> <span class="k">def</span> <span class="nf">setAppName</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="s2">"SparkConf"</span><span class="p">:</span> |
| <span class="w"> </span><span class="sd">"""Set application name."""</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"spark.app.name"</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span></div> |
| |
| <div class="viewcode-block" id="SparkConf.setSparkHome"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.setSparkHome.html#pyspark.SparkConf.setSparkHome">[docs]</a> <span class="k">def</span> <span class="nf">setSparkHome</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="s2">"SparkConf"</span><span class="p">:</span> |
| <span class="w"> </span><span class="sd">"""Set path where Spark is installed on worker nodes."""</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"spark.home"</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span></div> |
| |
| <span class="nd">@overload</span> |
| <span class="k">def</span> <span class="nf">setExecutorEnv</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="s2">"SparkConf"</span><span class="p">:</span> |
| <span class="o">...</span> |
| |
| <span class="nd">@overload</span> |
| <span class="k">def</span> <span class="nf">setExecutorEnv</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="p">,</span> <span class="n">pairs</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]])</span> <span class="o">-></span> <span class="s2">"SparkConf"</span><span class="p">:</span> |
| <span class="o">...</span> |
| |
| <div class="viewcode-block" id="SparkConf.setExecutorEnv"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.setExecutorEnv.html#pyspark.SparkConf.setExecutorEnv">[docs]</a> <span class="k">def</span> <span class="nf">setExecutorEnv</span><span class="p">(</span> |
| <span class="bp">self</span><span class="p">,</span> |
| <span class="n">key</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> |
| <span class="n">value</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> |
| <span class="n">pairs</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">List</span><span class="p">[</span><span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> |
| <span class="p">)</span> <span class="o">-></span> <span class="s2">"SparkConf"</span><span class="p">:</span> |
| <span class="w"> </span><span class="sd">"""Set an environment variable to be passed to executors."""</span> |
| <span class="k">if</span> <span class="p">(</span><span class="n">key</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="ow">and</span> <span class="n">pairs</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="n">key</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">and</span> <span class="n">pairs</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">):</span> |
| <span class="k">raise</span> <span class="n">PySparkRuntimeError</span><span class="p">(</span> |
| <span class="n">error_class</span><span class="o">=</span><span class="s2">"KEY_VALUE_PAIR_REQUIRED"</span><span class="p">,</span> |
| <span class="n">message_parameters</span><span class="o">=</span><span class="p">{},</span> |
| <span class="p">)</span> |
| <span class="k">elif</span> <span class="n">key</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"spark.executorEnv.</span><span class="si">{}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">key</span><span class="p">),</span> <span class="n">cast</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">value</span><span class="p">))</span> |
| <span class="k">elif</span> <span class="n">pairs</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">pairs</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"spark.executorEnv.</span><span class="si">{}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">k</span><span class="p">),</span> <span class="n">v</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span></div> |
| |
| <div class="viewcode-block" id="SparkConf.setAll"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.setAll.html#pyspark.SparkConf.setAll">[docs]</a> <span class="k">def</span> <span class="nf">setAll</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pairs</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]])</span> <span class="o">-></span> <span class="s2">"SparkConf"</span><span class="p">:</span> |
| <span class="w"> </span><span class="sd">"""</span> |
| <span class="sd"> Set multiple parameters, passed as a list of key-value pairs.</span> |
| |
| <span class="sd"> Parameters</span> |
| <span class="sd"> ----------</span> |
| <span class="sd"> pairs : iterable of tuples</span> |
| <span class="sd"> list of key-value pairs to set</span> |
| <span class="sd"> """</span> |
| <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">pairs</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">k</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span></div> |
| |
| <span class="nd">@overload</span> |
| <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> |
| <span class="o">...</span> |
| |
| <span class="nd">@overload</span> |
| <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">defaultValue</span><span class="p">:</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> |
| <span class="o">...</span> |
| |
| <span class="nd">@overload</span> |
| <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">defaultValue</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> |
| <span class="o">...</span> |
| |
| <div class="viewcode-block" id="SparkConf.get"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.get.html#pyspark.SparkConf.get">[docs]</a> <span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">defaultValue</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> |
| <span class="w"> </span><span class="sd">"""Get the configured value for some key, or return a default otherwise."""</span> |
| <span class="k">if</span> <span class="n">defaultValue</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> <span class="c1"># Py4J doesn't call the right get() if we pass None</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span><span class="o">.</span><span class="n">contains</span><span class="p">(</span><span class="n">key</span><span class="p">):</span> |
| <span class="k">return</span> <span class="kc">None</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="k">assert</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">defaultValue</span><span class="p">)</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="k">assert</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">defaultValue</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="SparkConf.getAll"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.getAll.html#pyspark.SparkConf.getAll">[docs]</a> <span class="k">def</span> <span class="nf">getAll</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">List</span><span class="p">[</span><span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]:</span> |
| <span class="w"> </span><span class="sd">"""Get all values as a list of key-value pairs."""</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="kn">from</span> <span class="nn">py4j.java_gateway</span> <span class="kn">import</span> <span class="n">JavaObject</span> |
| |
| <span class="k">return</span> <span class="p">[(</span><span class="n">elem</span><span class="o">.</span><span class="n">_1</span><span class="p">(),</span> <span class="n">elem</span><span class="o">.</span><span class="n">_2</span><span class="p">())</span> <span class="k">for</span> <span class="n">elem</span> <span class="ow">in</span> <span class="n">cast</span><span class="p">(</span><span class="n">JavaObject</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span><span class="p">)</span><span class="o">.</span><span class="n">getAll</span><span class="p">()]</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="k">assert</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> |
| <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_conf</span><span class="o">.</span><span class="n">items</span><span class="p">())</span></div> |
| |
| <div class="viewcode-block" id="SparkConf.contains"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.contains.html#pyspark.SparkConf.contains">[docs]</a> <span class="k">def</span> <span class="nf">contains</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> |
| <span class="w"> </span><span class="sd">"""Does this configuration contain a given key?"""</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span><span class="o">.</span><span class="n">contains</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="k">assert</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> |
| <span class="k">return</span> <span class="n">key</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span></div> |
| |
| <div class="viewcode-block" id="SparkConf.toDebugString"><a class="viewcode-back" href="../../reference/api/pyspark.SparkConf.toDebugString.html#pyspark.SparkConf.toDebugString">[docs]</a> <span class="k">def</span> <span class="nf">toDebugString</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> |
| <span class="w"> </span><span class="sd">"""</span> |
| <span class="sd"> Returns a printable version of the configuration, as a list of</span> |
| <span class="sd"> key=value pairs, one per line.</span> |
| <span class="sd"> """</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_jconf</span><span class="o">.</span><span class="n">toDebugString</span><span class="p">()</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="k">assert</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> |
| <span class="k">return</span> <span class="s2">"</span><span class="se">\n</span><span class="s2">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="s2">"</span><span class="si">%s</span><span class="s2">=</span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">k</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conf</span><span class="o">.</span><span class="n">items</span><span class="p">())</span></div></div> |
| |
| |
| <span class="k">def</span> <span class="nf">_test</span><span class="p">()</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <span class="kn">import</span> <span class="nn">doctest</span> |
| |
| <span class="p">(</span><span class="n">failure_count</span><span class="p">,</span> <span class="n">test_count</span><span class="p">)</span> <span class="o">=</span> <span class="n">doctest</span><span class="o">.</span><span class="n">testmod</span><span class="p">(</span><span class="n">optionflags</span><span class="o">=</span><span class="n">doctest</span><span class="o">.</span><span class="n">ELLIPSIS</span><span class="p">)</span> |
| <span class="k">if</span> <span class="n">failure_count</span><span class="p">:</span> |
| <span class="n">sys</span><span class="o">.</span><span class="n">exit</span><span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span> |
| |
| |
| <span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s2">"__main__"</span><span class="p">:</span> |
| <span class="n">_test</span><span class="p">()</span> |
| </pre></div> |
| |
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