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  <div class="section" id="module-airflow.contrib.operators.gcs_list_operator">
<span id="airflow-contrib-operators-gcs-list-operator"></span><h1><a class="reference internal" href="#module-airflow.contrib.operators.gcs_list_operator" title="airflow.contrib.operators.gcs_list_operator"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.contrib.operators.gcs_list_operator</span></code></a><a class="headerlink" href="#module-airflow.contrib.operators.gcs_list_operator" 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="class">
<dt id="airflow.contrib.operators.gcs_list_operator.GoogleCloudStorageListOperator">
<em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.operators.gcs_list_operator.</code><code class="sig-name descname">GoogleCloudStorageListOperator</code><span class="sig-paren">(</span><em class="sig-param">bucket</em>, <em class="sig-param">prefix=None</em>, <em class="sig-param">delimiter=None</em>, <em class="sig-param">google_cloud_storage_conn_id='google_cloud_default'</em>, <em class="sig-param">delegate_to=None</em>, <em class="sig-param">*args</em>, <em class="sig-param">**kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/gcs_list_operator.html#GoogleCloudStorageListOperator"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.gcs_list_operator.GoogleCloudStorageListOperator" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="../../../models/index.html#airflow.models.BaseOperator" title="airflow.models.BaseOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.models.BaseOperator</span></code></a></p>
<p>List all objects from the bucket with the give string prefix and delimiter in name.</p>
<dl class="simple">
<dt>This operator returns a python list with the name of objects which can be used by</dt><dd><p><cite>xcom</cite> in the downstream task.</p>
</dd>
</dl>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>bucket</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – The Google cloud storage bucket to find the objects. (templated)</p></li>
<li><p><strong>prefix</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – Prefix string which filters objects whose name begin with
this prefix. (templated)</p></li>
<li><p><strong>delimiter</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – The delimiter by which you want to filter the objects. (templated)
For e.g to lists the CSV files from in a directory in GCS you would use
delimiter=’.csv’.</p></li>
<li><p><strong>google_cloud_storage_conn_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – The connection ID to use when
connecting to Google cloud storage.</p></li>
<li><p><strong>delegate_to</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – The account to impersonate, if any.
For this to work, the service account making the request must have
domain-wide delegation enabled.</p></li>
</ul>
</dd>
</dl>
<dl>
<dt><strong>Example</strong>:</dt><dd><p>The following Operator would list all the Avro files from <code class="docutils literal notranslate"><span class="pre">sales/sales-2017</span></code>
folder in <code class="docutils literal notranslate"><span class="pre">data</span></code> bucket.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">GCS_Files</span> <span class="o">=</span> <span class="n">GoogleCloudStorageListOperator</span><span class="p">(</span>
    <span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;GCS_Files&#39;</span><span class="p">,</span>
    <span class="n">bucket</span><span class="o">=</span><span class="s1">&#39;data&#39;</span><span class="p">,</span>
    <span class="n">prefix</span><span class="o">=</span><span class="s1">&#39;sales/sales-2017/&#39;</span><span class="p">,</span>
    <span class="n">delimiter</span><span class="o">=</span><span class="s1">&#39;.avro&#39;</span><span class="p">,</span>
    <span class="n">google_cloud_storage_conn_id</span><span class="o">=</span><span class="n">google_cloud_conn_id</span>
<span class="p">)</span>
</pre></div>
</div>
</dd>
</dl>
<dl class="attribute">
<dt id="airflow.contrib.operators.gcs_list_operator.GoogleCloudStorageListOperator.template_fields">
<code class="sig-name descname">template_fields</code><em class="property"> :Iterable[str] = ['bucket', 'prefix', 'delimiter']</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/gcs_list_operator.html#GoogleCloudStorageListOperator.template_fields"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.gcs_list_operator.GoogleCloudStorageListOperator.template_fields" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="attribute">
<dt id="airflow.contrib.operators.gcs_list_operator.GoogleCloudStorageListOperator.ui_color">
<code class="sig-name descname">ui_color</code><em class="property"> = #f0eee4</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/gcs_list_operator.html#GoogleCloudStorageListOperator.ui_color"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.gcs_list_operator.GoogleCloudStorageListOperator.ui_color" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.gcs_list_operator.GoogleCloudStorageListOperator.execute">
<code class="sig-name descname">execute</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">context</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/gcs_list_operator.html#GoogleCloudStorageListOperator.execute"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.gcs_list_operator.GoogleCloudStorageListOperator.execute" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</dd></dl>

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