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  <div class="section" id="module-airflow.contrib.sensors.python_sensor">
<span id="airflow-contrib-sensors-python-sensor"></span><h1><a class="reference internal" href="#module-airflow.contrib.sensors.python_sensor" title="airflow.contrib.sensors.python_sensor"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.contrib.sensors.python_sensor</span></code></a><a class="headerlink" href="#module-airflow.contrib.sensors.python_sensor" 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.sensors.python_sensor.PythonSensor">
<em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.sensors.python_sensor.</code><code class="sig-name descname">PythonSensor</code><span class="sig-paren">(</span><em class="sig-param">python_callable</em>, <em class="sig-param">op_args=None</em>, <em class="sig-param">op_kwargs=None</em>, <em class="sig-param">provide_context=False</em>, <em class="sig-param">templates_dict=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/sensors/python_sensor.html#PythonSensor"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.sensors.python_sensor.PythonSensor" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="../../../sensors/base_sensor_operator/index.html#airflow.sensors.base_sensor_operator.BaseSensorOperator" title="airflow.sensors.base_sensor_operator.BaseSensorOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.sensors.base_sensor_operator.BaseSensorOperator</span></code></a></p>
<p>Waits for a Python callable to return True.</p>
<p>User could put input argument in templates_dict
e.g <code class="docutils literal notranslate"><span class="pre">templates_dict</span> <span class="pre">=</span> <span class="pre">{'start_ds':</span> <span class="pre">1970}</span></code>
and access the argument by calling <code class="docutils literal notranslate"><span class="pre">kwargs['templates_dict']['start_ds']</span></code>
in the the callable</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>python_callable</strong> (<em>python callable</em>) – A reference to an object that is callable</p></li>
<li><p><strong>op_kwargs</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.8)"><em>dict</em></a>) – a dictionary of keyword arguments that will get unpacked
in your function</p></li>
<li><p><strong>op_args</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#list" title="(in Python v3.8)"><em>list</em></a>) – a list of positional arguments that will get unpacked when
calling your callable</p></li>
<li><p><strong>provide_context</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – if set to true, Airflow will pass a set of
keyword arguments that can be used in your function. This set of
kwargs correspond exactly to what you can use in your jinja
templates. For this to work, you need to define <cite>**kwargs</cite> in your
function header.</p></li>
<li><p><strong>templates_dict</strong> (<em>dict of str</em>) – a dictionary where the values are templates that
will get templated by the Airflow engine sometime between
<code class="docutils literal notranslate"><span class="pre">__init__</span></code> and <code class="docutils literal notranslate"><span class="pre">execute</span></code> takes place and are made available
in your callable’s context after the template has been applied.</p></li>
</ul>
</dd>
</dl>
<dl class="attribute">
<dt id="airflow.contrib.sensors.python_sensor.PythonSensor.template_fields">
<code class="sig-name descname">template_fields</code><em class="property"> = ['templates_dict', 'op_args', 'op_kwargs']</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/sensors/python_sensor.html#PythonSensor.template_fields"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.sensors.python_sensor.PythonSensor.template_fields" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.sensors.python_sensor.PythonSensor.poke">
<code class="sig-name descname">poke</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/sensors/python_sensor.html#PythonSensor.poke"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.sensors.python_sensor.PythonSensor.poke" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</dd></dl>

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