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<h1>Source code for airflow.contrib.operators.gcp_translate_operator</h1><div class="highlight"><pre>
<span></span><span class="c1"># -*- coding: utf-8 -*-</span>
<span class="c1">#</span>
<span class="c1"># Licensed to the Apache Software Foundation (ASF) under one</span>
<span class="c1"># or more contributor license agreements. See the NOTICE file</span>
<span class="c1"># distributed with this work for additional information</span>
<span class="c1"># regarding copyright ownership. The ASF licenses this file</span>
<span class="c1"># to you under the Apache License, Version 2.0 (the</span>
<span class="c1"># &quot;License&quot;); you may not use this file except in compliance</span>
<span class="c1"># with 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,</span>
<span class="c1"># software distributed under the License is distributed on an</span>
<span class="c1"># &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span>
<span class="c1"># KIND, either express or implied. See the License for the</span>
<span class="c1"># specific language governing permissions and limitations</span>
<span class="c1"># under the License.</span>
<span class="kn">from</span> <span class="nn">airflow</span> <span class="k">import</span> <span class="n">AirflowException</span>
<span class="kn">from</span> <span class="nn">airflow.contrib.hooks.gcp_translate_hook</span> <span class="k">import</span> <span class="n">CloudTranslateHook</span>
<span class="kn">from</span> <span class="nn">airflow.models</span> <span class="k">import</span> <span class="n">BaseOperator</span>
<span class="kn">from</span> <span class="nn">airflow.utils.decorators</span> <span class="k">import</span> <span class="n">apply_defaults</span>
<div class="viewcode-block" id="CloudTranslateTextOperator"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_translate_operator/index.html#airflow.contrib.operators.gcp_translate_operator.CloudTranslateTextOperator">[docs]</a><span class="k">class</span> <span class="nc">CloudTranslateTextOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Translate a string or list of strings.</span>
<span class="sd"> .. seealso::</span>
<span class="sd"> For more information on how to use this operator, take a look at the guide:</span>
<span class="sd"> :ref:`howto/operator:CloudTranslateTextOperator`</span>
<span class="sd"> See https://cloud.google.com/translate/docs/translating-text</span>
<span class="sd"> Execute method returns str or list.</span>
<span class="sd"> This is a list of dictionaries for each queried value. Each</span>
<span class="sd"> dictionary typically contains three keys (though not</span>
<span class="sd"> all will be present in all cases).</span>
<span class="sd"> * ``detectedSourceLanguage``: The detected language (as an</span>
<span class="sd"> ISO 639-1 language code) of the text.</span>
<span class="sd"> * ``translatedText``: The translation of the text into the</span>
<span class="sd"> target language.</span>
<span class="sd"> * ``input``: The corresponding input value.</span>
<span class="sd"> * ``model``: The model used to translate the text.</span>
<span class="sd"> If only a single value is passed, then only a single</span>
<span class="sd"> dictionary is set as XCom return value.</span>
<span class="sd"> :type values: str or list</span>
<span class="sd"> :param values: String or list of strings to translate.</span>
<span class="sd"> :type target_language: str</span>
<span class="sd"> :param target_language: The language to translate results into. This</span>
<span class="sd"> is required by the API and defaults to</span>
<span class="sd"> the target language of the current instance.</span>
<span class="sd"> :type format_: str or None</span>
<span class="sd"> :param format_: (Optional) One of ``text`` or ``html``, to specify</span>
<span class="sd"> if the input text is plain text or HTML.</span>
<span class="sd"> :type source_language: str or None</span>
<span class="sd"> :param source_language: (Optional) The language of the text to</span>
<span class="sd"> be translated.</span>
<span class="sd"> :type model: str or None</span>
<span class="sd"> :param model: (Optional) The model used to translate the text, such</span>
<span class="sd"> as ``&#39;base&#39;`` or ``&#39;nmt&#39;``.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="c1"># [START translate_template_fields]</span>
<div class="viewcode-block" id="CloudTranslateTextOperator.template_fields"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_translate_operator/index.html#airflow.contrib.operators.gcp_translate_operator.CloudTranslateTextOperator.template_fields">[docs]</a> <span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">&#39;values&#39;</span><span class="p">,</span> <span class="s1">&#39;target_language&#39;</span><span class="p">,</span> <span class="s1">&#39;format_&#39;</span><span class="p">,</span> <span class="s1">&#39;source_language&#39;</span><span class="p">,</span> <span class="s1">&#39;model&#39;</span><span class="p">,</span> <span class="s1">&#39;gcp_conn_id&#39;</span><span class="p">)</span></div>
<span class="c1"># [END translate_template_fields]</span>
<span class="nd">@apply_defaults</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span>
<span class="bp">self</span><span class="p">,</span>
<span class="n">values</span><span class="p">,</span>
<span class="n">target_language</span><span class="p">,</span>
<span class="n">format_</span><span class="p">,</span>
<span class="n">source_language</span><span class="p">,</span>
<span class="n">model</span><span class="p">,</span>
<span class="n">gcp_conn_id</span><span class="o">=</span><span class="s1">&#39;google_cloud_default&#39;</span><span class="p">,</span>
<span class="o">*</span><span class="n">args</span><span class="p">,</span>
<span class="o">**</span><span class="n">kwargs</span>
<span class="p">):</span>
<span class="nb">super</span><span class="p">(</span><span class="n">CloudTranslateTextOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">values</span> <span class="o">=</span> <span class="n">values</span>
<span class="bp">self</span><span class="o">.</span><span class="n">target_language</span> <span class="o">=</span> <span class="n">target_language</span>
<span class="bp">self</span><span class="o">.</span><span class="n">format_</span> <span class="o">=</span> <span class="n">format_</span>
<span class="bp">self</span><span class="o">.</span><span class="n">source_language</span> <span class="o">=</span> <span class="n">source_language</span>
<span class="bp">self</span><span class="o">.</span><span class="n">model</span> <span class="o">=</span> <span class="n">model</span>
<span class="bp">self</span><span class="o">.</span><span class="n">gcp_conn_id</span> <span class="o">=</span> <span class="n">gcp_conn_id</span>
<div class="viewcode-block" id="CloudTranslateTextOperator.execute"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_translate_operator/index.html#airflow.contrib.operators.gcp_translate_operator.CloudTranslateTextOperator.execute">[docs]</a> <span class="k">def</span> <span class="nf">execute</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span>
<span class="n">_hook</span> <span class="o">=</span> <span class="n">CloudTranslateHook</span><span class="p">(</span><span class="n">gcp_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">gcp_conn_id</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">translation</span> <span class="o">=</span> <span class="n">_hook</span><span class="o">.</span><span class="n">translate</span><span class="p">(</span>
<span class="n">values</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">values</span><span class="p">,</span>
<span class="n">target_language</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">target_language</span><span class="p">,</span>
<span class="n">format_</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">format_</span><span class="p">,</span>
<span class="n">source_language</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">source_language</span><span class="p">,</span>
<span class="n">model</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">model</span><span class="p">,</span>
<span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;Translation </span><span class="si">%s</span><span class="s2">&quot;</span><span class="p">,</span> <span class="n">translation</span><span class="p">)</span>
<span class="k">return</span> <span class="n">translation</span>
<span class="k">except</span> <span class="ne">ValueError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">&#39;An error has been thrown from translate method:&#39;</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">e</span><span class="p">)</span>
<span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="n">e</span><span class="p">)</span></div></div>
</pre></div>
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