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<h1>Source code for airflow.contrib.operators.gcp_text_to_speech_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">tempfile</span> <span class="k">import</span> <span class="n">NamedTemporaryFile</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_text_to_speech_hook</span> <span class="k">import</span> <span class="n">GCPTextToSpeechHook</span>
<span class="kn">from</span> <span class="nn">airflow.contrib.hooks.gcs_hook</span> <span class="k">import</span> <span class="n">GoogleCloudStorageHook</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="GcpTextToSpeechSynthesizeOperator"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_text_to_speech_operator/index.html#airflow.contrib.operators.gcp_text_to_speech_operator.GcpTextToSpeechSynthesizeOperator">[docs]</a><span class="k">class</span> <span class="nc">GcpTextToSpeechSynthesizeOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Synthesizes text to speech and stores it in Google Cloud Storage</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:GcpTextToSpeechSynthesizeOperator`</span>
<span class="sd"> :param input_data: text input to be synthesized. See more:</span>
<span class="sd"> https://googleapis.github.io/google-cloud-python/latest/texttospeech/gapic/v1/types.html#google.cloud.texttospeech_v1.types.SynthesisInput</span>
<span class="sd"> :type input_data: dict or google.cloud.texttospeech_v1.types.SynthesisInput</span>
<span class="sd"> :param voice: configuration of voice to be used in synthesis. See more:</span>
<span class="sd"> https://googleapis.github.io/google-cloud-python/latest/texttospeech/gapic/v1/types.html#google.cloud.texttospeech_v1.types.VoiceSelectionParams</span>
<span class="sd"> :type voice: dict or google.cloud.texttospeech_v1.types.VoiceSelectionParams</span>
<span class="sd"> :param audio_config: configuration of the synthesized audio. See more:</span>
<span class="sd"> https://googleapis.github.io/google-cloud-python/latest/texttospeech/gapic/v1/types.html#google.cloud.texttospeech_v1.types.AudioConfig</span>
<span class="sd"> :type audio_config: dict or google.cloud.texttospeech_v1.types.AudioConfig</span>
<span class="sd"> :param target_bucket_name: name of the GCS bucket in which output file should be stored</span>
<span class="sd"> :type target_bucket_name: str</span>
<span class="sd"> :param target_filename: filename of the output file.</span>
<span class="sd"> :type target_filename: str</span>
<span class="sd"> :param project_id: Optional, Google Cloud Platform Project ID where the Compute</span>
<span class="sd"> Engine Instance exists. If set to None or missing, the default project_id from the GCP connection is</span>
<span class="sd"> used.</span>
<span class="sd"> :type project_id: str</span>
<span class="sd"> :param gcp_conn_id: Optional, The connection ID used to connect to Google Cloud</span>
<span class="sd"> Platform. Defaults to &#39;google_cloud_default&#39;.</span>
<span class="sd"> :type gcp_conn_id: str</span>
<span class="sd"> :param retry: (Optional) A retry object used to retry requests. If None is specified,</span>
<span class="sd"> requests will not be retried.</span>
<span class="sd"> :type retry: google.api_core.retry.Retry</span>
<span class="sd"> :param timeout: (Optional) The amount of time, in seconds, to wait for the request to complete.</span>
<span class="sd"> Note that if retry is specified, the timeout applies to each individual attempt.</span>
<span class="sd"> :type timeout: float</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="c1"># [START gcp_text_to_speech_synthesize_template_fields]</span>
<div class="viewcode-block" id="GcpTextToSpeechSynthesizeOperator.template_fields"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_text_to_speech_operator/index.html#airflow.contrib.operators.gcp_text_to_speech_operator.GcpTextToSpeechSynthesizeOperator.template_fields">[docs]</a> <span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span>
<span class="s2">&quot;input_data&quot;</span><span class="p">,</span>
<span class="s2">&quot;voice&quot;</span><span class="p">,</span>
<span class="s2">&quot;audio_config&quot;</span><span class="p">,</span>
<span class="s2">&quot;project_id&quot;</span><span class="p">,</span>
<span class="s2">&quot;gcp_conn_id&quot;</span><span class="p">,</span>
<span class="s2">&quot;target_bucket_name&quot;</span><span class="p">,</span>
<span class="s2">&quot;target_filename&quot;</span><span class="p">,</span></div>
<span class="p">)</span>
<span class="c1"># [END gcp_text_to_speech_synthesize_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">input_data</span><span class="p">,</span>
<span class="n">voice</span><span class="p">,</span>
<span class="n">audio_config</span><span class="p">,</span>
<span class="n">target_bucket_name</span><span class="p">,</span>
<span class="n">target_filename</span><span class="p">,</span>
<span class="n">project_id</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="n">gcp_conn_id</span><span class="o">=</span><span class="s2">&quot;google_cloud_default&quot;</span><span class="p">,</span>
<span class="n">retry</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="n">timeout</span><span class="o">=</span><span class="kc">None</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">input_data</span> <span class="o">=</span> <span class="n">input_data</span>
<span class="bp">self</span><span class="o">.</span><span class="n">voice</span> <span class="o">=</span> <span class="n">voice</span>
<span class="bp">self</span><span class="o">.</span><span class="n">audio_config</span> <span class="o">=</span> <span class="n">audio_config</span>
<span class="bp">self</span><span class="o">.</span><span class="n">target_bucket_name</span> <span class="o">=</span> <span class="n">target_bucket_name</span>
<span class="bp">self</span><span class="o">.</span><span class="n">target_filename</span> <span class="o">=</span> <span class="n">target_filename</span>
<span class="bp">self</span><span class="o">.</span><span class="n">project_id</span> <span class="o">=</span> <span class="n">project_id</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>
<span class="bp">self</span><span class="o">.</span><span class="n">retry</span> <span class="o">=</span> <span class="n">retry</span>
<span class="bp">self</span><span class="o">.</span><span class="n">timeout</span> <span class="o">=</span> <span class="n">timeout</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_validate_inputs</span><span class="p">()</span>
<span class="nb">super</span><span class="p">(</span><span class="n">GcpTextToSpeechSynthesizeOperator</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>
<div class="viewcode-block" id="GcpTextToSpeechSynthesizeOperator._validate_inputs"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_text_to_speech_operator/index.html#airflow.contrib.operators.gcp_text_to_speech_operator.GcpTextToSpeechSynthesizeOperator._validate_inputs">[docs]</a> <span class="k">def</span> <span class="nf">_validate_inputs</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">for</span> <span class="n">parameter</span> <span class="ow">in</span> <span class="p">[</span>
<span class="s2">&quot;input_data&quot;</span><span class="p">,</span>
<span class="s2">&quot;voice&quot;</span><span class="p">,</span>
<span class="s2">&quot;audio_config&quot;</span><span class="p">,</span>
<span class="s2">&quot;target_bucket_name&quot;</span><span class="p">,</span>
<span class="s2">&quot;target_filename&quot;</span><span class="p">,</span>
<span class="p">]:</span>
<span class="k">if</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parameter</span><span class="p">)</span> <span class="o">==</span> <span class="s2">&quot;&quot;</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s2">&quot;The required parameter &#39;</span><span class="si">{}</span><span class="s2">&#39; is empty&quot;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">parameter</span><span class="p">))</span></div>
<div class="viewcode-block" id="GcpTextToSpeechSynthesizeOperator.execute"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_text_to_speech_operator/index.html#airflow.contrib.operators.gcp_text_to_speech_operator.GcpTextToSpeechSynthesizeOperator.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">gcp_text_to_speech_hook</span> <span class="o">=</span> <span class="n">GCPTextToSpeechHook</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="n">result</span> <span class="o">=</span> <span class="n">gcp_text_to_speech_hook</span><span class="o">.</span><span class="n">synthesize_speech</span><span class="p">(</span>
<span class="n">input_data</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">input_data</span><span class="p">,</span>
<span class="n">voice</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">voice</span><span class="p">,</span>
<span class="n">audio_config</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">audio_config</span><span class="p">,</span>
<span class="n">retry</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">retry</span><span class="p">,</span>
<span class="n">timeout</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">timeout</span><span class="p">,</span>
<span class="p">)</span>
<span class="k">with</span> <span class="n">NamedTemporaryFile</span><span class="p">()</span> <span class="k">as</span> <span class="n">temp_file</span><span class="p">:</span>
<span class="n">temp_file</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">result</span><span class="o">.</span><span class="n">audio_content</span><span class="p">)</span>
<span class="n">cloud_storage_hook</span> <span class="o">=</span> <span class="n">GoogleCloudStorageHook</span><span class="p">(</span><span class="n">google_cloud_storage_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="n">cloud_storage_hook</span><span class="o">.</span><span class="n">upload</span><span class="p">(</span>
<span class="n">bucket</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">target_bucket_name</span><span class="p">,</span> <span class="nb">object</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">target_filename</span><span class="p">,</span> <span class="n">filename</span><span class="o">=</span><span class="n">temp_file</span><span class="o">.</span><span class="n">name</span></div></div>
<span class="p">)</span>
</pre></div>
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