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<div class="section" id="module-airflow.contrib.hooks.gcp_mlengine_hook">
<span id="airflow-contrib-hooks-gcp-mlengine-hook"></span><h1><a class="reference internal" href="#module-airflow.contrib.hooks.gcp_mlengine_hook" title="airflow.contrib.hooks.gcp_mlengine_hook"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.contrib.hooks.gcp_mlengine_hook</span></code></a><a class="headerlink" href="#module-airflow.contrib.hooks.gcp_mlengine_hook" title="Permalink to this headline"></a></h1>
<div class="section" id="module-contents">
<h2>Module Contents<a class="headerlink" href="#module-contents" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook._poll_with_exponential_delay">
<code class="sig-prename descclassname">airflow.contrib.hooks.gcp_mlengine_hook.</code><code class="sig-name descname">_poll_with_exponential_delay</code><span class="sig-paren">(</span><em class="sig-param">request</em>, <em class="sig-param">max_n</em>, <em class="sig-param">is_done_func</em>, <em class="sig-param">is_error_func</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#_poll_with_exponential_delay"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook._poll_with_exponential_delay" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="class">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook">
<em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.hooks.gcp_mlengine_hook.</code><code class="sig-name descname">MLEngineHook</code><span class="sig-paren">(</span><em class="sig-param">gcp_conn_id='google_cloud_default'</em>, <em class="sig-param">delegate_to=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="../gcp_api_base_hook/index.html#airflow.contrib.hooks.gcp_api_base_hook.GoogleCloudBaseHook" title="airflow.contrib.hooks.gcp_api_base_hook.GoogleCloudBaseHook"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.contrib.hooks.gcp_api_base_hook.GoogleCloudBaseHook</span></code></a></p>
<dl class="method">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.get_conn">
<code class="sig-name descname">get_conn</code><span class="sig-paren">(</span><em class="sig-param">self</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook.get_conn"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.get_conn" title="Permalink to this definition"></a></dt>
<dd><p>Returns a Google MLEngine service object.</p>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.create_job">
<code class="sig-name descname">create_job</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">project_id</em>, <em class="sig-param">job</em>, <em class="sig-param">use_existing_job_fn=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook.create_job"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.create_job" title="Permalink to this definition"></a></dt>
<dd><p>Launches a MLEngine job and wait for it to reach a terminal state.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>project_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The Google Cloud project id within which MLEngine
job will be launched.</p></li>
<li><p><strong>job</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.7)"><em>dict</em></a>) – <p>MLEngine Job object that should be provided to the MLEngine
API, such as:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="p">{</span>
<span class="s1">&#39;jobId&#39;</span><span class="p">:</span> <span class="s1">&#39;my_job_id&#39;</span><span class="p">,</span>
<span class="s1">&#39;trainingInput&#39;</span><span class="p">:</span> <span class="p">{</span>
<span class="s1">&#39;scaleTier&#39;</span><span class="p">:</span> <span class="s1">&#39;STANDARD_1&#39;</span><span class="p">,</span>
<span class="o">...</span>
<span class="p">}</span>
<span class="p">}</span>
</pre></div>
</div>
</p></li>
<li><p><strong>use_existing_job_fn</strong> (<em>function</em>) – In case that a MLEngine job with the same
job_id already exist, this method (if provided) will decide whether
we should use this existing job, continue waiting for it to finish
and returning the job object. It should accepts a MLEngine job
object, and returns a boolean value indicating whether it is OK to
reuse the existing job. If ‘use_existing_job_fn’ is not provided,
we by default reuse the existing MLEngine job.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>The MLEngine job object if the job successfully reach a
terminal state (which might be FAILED or CANCELLED state).</p>
</dd>
<dt class="field-odd">Return type</dt>
<dd class="field-odd"><p><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.7)">dict</a></p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook._get_job">
<code class="sig-name descname">_get_job</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">project_id</em>, <em class="sig-param">job_id</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook._get_job"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook._get_job" title="Permalink to this definition"></a></dt>
<dd><p>Gets a MLEngine job based on the job name.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>MLEngine job object if succeed.</p>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.7)">dict</a></p>
</dd>
</dl>
<dl class="simple">
<dt>Raises:</dt><dd><p>googleapiclient.errors.HttpError: if HTTP error is returned from server</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook._wait_for_job_done">
<code class="sig-name descname">_wait_for_job_done</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">project_id</em>, <em class="sig-param">job_id</em>, <em class="sig-param">interval=30</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook._wait_for_job_done"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook._wait_for_job_done" title="Permalink to this definition"></a></dt>
<dd><p>Waits for the Job to reach a terminal state.</p>
<p>This method will periodically check the job state until the job reach
a terminal state.</p>
<dl class="simple">
<dt>Raises:</dt><dd><p>googleapiclient.errors.HttpError: if HTTP error is returned when getting
the job</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.create_version">
<code class="sig-name descname">create_version</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">project_id</em>, <em class="sig-param">model_name</em>, <em class="sig-param">version_spec</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook.create_version"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.create_version" title="Permalink to this definition"></a></dt>
<dd><p>Creates the Version on Google Cloud ML Engine.</p>
<p>Returns the operation if the version was created successfully and
raises an error otherwise.</p>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.set_default_version">
<code class="sig-name descname">set_default_version</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">project_id</em>, <em class="sig-param">model_name</em>, <em class="sig-param">version_name</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook.set_default_version"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.set_default_version" title="Permalink to this definition"></a></dt>
<dd><p>Sets a version to be the default. Blocks until finished.</p>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.list_versions">
<code class="sig-name descname">list_versions</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">project_id</em>, <em class="sig-param">model_name</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook.list_versions"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.list_versions" title="Permalink to this definition"></a></dt>
<dd><p>Lists all available versions of a model. Blocks until finished.</p>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.delete_version">
<code class="sig-name descname">delete_version</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">project_id</em>, <em class="sig-param">model_name</em>, <em class="sig-param">version_name</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook.delete_version"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.delete_version" title="Permalink to this definition"></a></dt>
<dd><p>Deletes the given version of a model. Blocks until finished.</p>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.create_model">
<code class="sig-name descname">create_model</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">project_id</em>, <em class="sig-param">model</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook.create_model"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.create_model" title="Permalink to this definition"></a></dt>
<dd><p>Create a Model. Blocks until finished.</p>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.get_model">
<code class="sig-name descname">get_model</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">project_id</em>, <em class="sig-param">model_name</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/gcp_mlengine_hook.html#MLEngineHook.get_model"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.gcp_mlengine_hook.MLEngineHook.get_model" title="Permalink to this definition"></a></dt>
<dd><p>Gets a Model. Blocks until finished.</p>
</dd></dl>
</dd></dl>
</div>
</div>
</div>
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