Google Git
Sign in
apache / airflow-site / f81e48aadee354653679693fa54b04ac42d24bfd / . / docs-archive / 1.10.3 / _modules / airflow / sensors / external_task_sensor.html
blob: ee86cbdbba6089de6ccb3b60900d17ec8d7d3f0f [file] [log] [blame]
<!DOCTYPE html>
<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>airflow.sensors.external_task_sensor &mdash; Airflow Documentation</title>
<script type="text/javascript" src="../../../_static/js/modernizr.min.js"></script>
<script type="text/javascript" id="documentation_options" data-url_root="../../../" src="../../../_static/documentation_options.js"></script>
<script type="text/javascript" src="../../../_static/jquery.js"></script>
<script type="text/javascript" src="../../../_static/underscore.js"></script>
<script type="text/javascript" src="../../../_static/doctools.js"></script>
<script type="text/javascript" src="../../../_static/language_data.js"></script>
<script type="text/javascript" src="../../../_static/js/theme.js"></script>
<link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
<link rel="index" title="Index" href="../../../genindex.html" />
<link rel="search" title="Search" href="../../../search.html" />
<script>
document.addEventListener('DOMContentLoaded', function() {
var el = document.getElementById('changelog');
if (el !== null ) {
// [AIRFLOW-...]
el.innerHTML = el.innerHTML.replace(
/\[(AIRFLOW-[\d]+)\]/g,
`<a href="https://issues.apache.org/jira/browse/$1">[$1]</a>`
);
// (#...)
el.innerHTML = el.innerHTML.replace(
/\(#([\d]+)\)/g,
`<a href="https://github.com/apache/airflow/pull/$1">(#$1)</a>`
);
};
})
</script>
<style>
.example-header {
position: relative;
background: #9AAA7A;
padding: 8px 16px;
margin-bottom: 0;
}
.example-header--with-button {
padding-right: 166px;
}
.example-header:after{
content: '';
display: table;
clear: both;
}
.example-title {
display:block;
padding: 4px;
margin-right: 16px;
color: white;
overflow-x: auto;
}
.example-header-button {
top: 8px;
right: 16px;
position: absolute;
}
.example-header + .highlight-python {
margin-top: 0 !important;
}
.viewcode-button {
display: inline-block;
padding: 8px 16px;
border: 0;
margin: 0;
outline: 0;
border-radius: 2px;
-webkit-box-shadow: 0 3px 5px 0 rgba(0,0,0,.3);
box-shadow: 0 3px 6px 0 rgba(0,0,0,.3);
color: #404040;
background-color: #e7e7e7;
cursor: pointer;
font-size: 16px;
font-weight: 500;
line-height: 1;
text-decoration: none;
text-overflow: ellipsis;
overflow: hidden;
text-transform: uppercase;
-webkit-transition: background-color .2s;
transition: background-color .2s;
vertical-align: middle;
white-space: nowrap;
}
.viewcode-button:visited {
color: #404040;
}
.viewcode-button:hover, .viewcode-button:focus {
color: #404040;
background-color: #d6d6d6;
}
</style>
</head>
<body class="wy-body-for-nav">
<div class="wy-grid-for-nav">
<nav data-toggle="wy-nav-shift" class="wy-nav-side">
<div class="wy-side-scroll">
<div class="wy-side-nav-search" >
<a href="../../../index.html" class="icon icon-home"> Airflow
</a>
<div class="version">
1.10.3
</div>
<div role="search">
<form id="rtd-search-form" class="wy-form" action="../../../search.html" method="get">
<input type="text" name="q" placeholder="Search docs" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
</div>
</div>
<div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
<ul>
<li class="toctree-l1"><a class="reference internal" href="../../../project.html">Project</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../license.html">License</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../start.html">Quick Start</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../installation.html">Installation</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../tutorial.html">Tutorial</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../howto/index.html">How-to Guides</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../ui.html">UI / Screenshots</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../concepts.html">Concepts</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../profiling.html">Data Profiling</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../cli.html">Command Line Interface</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../scheduler.html">Scheduling &amp; Triggers</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../plugins.html">Plugins</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../security.html">Security</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../timezone.html">Time zones</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../api.html">Experimental Rest API</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../integration.html">Integration</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../metrics.html">Metrics</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../kubernetes.html">Kubernetes</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../lineage.html">Lineage</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../changelog.html">Changelog</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../faq.html">FAQ</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../macros.html">Macros reference</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../_api/index.html">API Reference</a></li>
</ul>
</div>
</div>
</nav>
<section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
<nav class="wy-nav-top" aria-label="top navigation">
<i data-toggle="wy-nav-top" class="fa fa-bars"></i>
<a href="../../../index.html">Airflow</a>
</nav>
<div class="wy-nav-content">
<div class="rst-content">
<div role="navigation" aria-label="breadcrumbs navigation">
<ul class="wy-breadcrumbs">
<li><a href="../../../index.html">Docs</a> &raquo;</li>
<li><a href="../../index.html">Module code</a> &raquo;</li>
<li><a href="../sensors.html">airflow.sensors</a> &raquo;</li>
<li>airflow.sensors.external_task_sensor</li>
<li class="wy-breadcrumbs-aside">
</li>
</ul>
<hr/>
</div>
<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
<div itemprop="articleBody">
<h1>Source code for airflow.sensors.external_task_sensor</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">import</span> <span class="nn">os</span>
<span class="kn">from</span> <span class="nn">airflow.exceptions</span> <span class="k">import</span> <span class="n">AirflowException</span>
<span class="kn">from</span> <span class="nn">airflow.models</span> <span class="k">import</span> <span class="n">TaskInstance</span><span class="p">,</span> <span class="n">DagBag</span><span class="p">,</span> <span class="n">DagModel</span><span class="p">,</span> <span class="n">DagRun</span>
<span class="kn">from</span> <span class="nn">airflow.sensors.base_sensor_operator</span> <span class="k">import</span> <span class="n">BaseSensorOperator</span>
<span class="kn">from</span> <span class="nn">airflow.utils.db</span> <span class="k">import</span> <span class="n">provide_session</span>
<span class="kn">from</span> <span class="nn">airflow.utils.decorators</span> <span class="k">import</span> <span class="n">apply_defaults</span>
<span class="kn">from</span> <span class="nn">airflow.utils.state</span> <span class="k">import</span> <span class="n">State</span>
<div class="viewcode-block" id="ExternalTaskSensor"><a class="viewcode-back" href="../../../_api/airflow/sensors/external_task_sensor/index.html#airflow.sensors.external_task_sensor.ExternalTaskSensor">[docs]</a><span class="k">class</span> <span class="nc">ExternalTaskSensor</span><span class="p">(</span><span class="n">BaseSensorOperator</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Waits for a different DAG or a task in a different DAG to complete for a</span>
<span class="sd"> specific execution_date</span>
<span class="sd"> :param external_dag_id: The dag_id that contains the task you want to</span>
<span class="sd"> wait for</span>
<span class="sd"> :type external_dag_id: str</span>
<span class="sd"> :param external_task_id: The task_id that contains the task you want to</span>
<span class="sd"> wait for. If ``None`` the sensor waits for the DAG</span>
<span class="sd"> :type external_task_id: str</span>
<span class="sd"> :param allowed_states: list of allowed states, default is ``[&#39;success&#39;]``</span>
<span class="sd"> :type allowed_states: list</span>
<span class="sd"> :param execution_delta: time difference with the previous execution to</span>
<span class="sd"> look at, the default is the same execution_date as the current task or DAG.</span>
<span class="sd"> For yesterday, use [positive!] datetime.timedelta(days=1). Either</span>
<span class="sd"> execution_delta or execution_date_fn can be passed to</span>
<span class="sd"> ExternalTaskSensor, but not both.</span>
<span class="sd"> :type execution_delta: datetime.timedelta</span>
<span class="sd"> :param execution_date_fn: function that receives the current execution date</span>
<span class="sd"> and returns the desired execution dates to query. Either execution_delta</span>
<span class="sd"> or execution_date_fn can be passed to ExternalTaskSensor, but not both.</span>
<span class="sd"> :type execution_date_fn: callable</span>
<span class="sd"> :param check_existence: Set to `True` to check if the external task exists (when</span>
<span class="sd"> external_task_id is not None) or check if the DAG to wait for exists (when</span>
<span class="sd"> external_task_id is None), and immediately cease waiting if the external task</span>
<span class="sd"> or DAG does not exist (default value: False).</span>
<span class="sd"> :type check_existence: bool</span>
<span class="sd"> &quot;&quot;&quot;</span>
<div class="viewcode-block" id="ExternalTaskSensor.template_fields"><a class="viewcode-back" href="../../../_api/airflow/sensors/external_task_sensor/index.html#airflow.sensors.external_task_sensor.ExternalTaskSensor.template_fields">[docs]</a> <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;external_dag_id&#39;</span><span class="p">,</span> <span class="s1">&#39;external_task_id&#39;</span><span class="p">]</span></div>
<div class="viewcode-block" id="ExternalTaskSensor.ui_color"><a class="viewcode-back" href="../../../_api/airflow/sensors/external_task_sensor/index.html#airflow.sensors.external_task_sensor.ExternalTaskSensor.ui_color">[docs]</a> <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">&#39;#19647e&#39;</span></div>
<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">external_dag_id</span><span class="p">,</span>
<span class="n">external_task_id</span><span class="p">,</span>
<span class="n">allowed_states</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="n">execution_delta</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="n">execution_date_fn</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="n">check_existence</span><span class="o">=</span><span class="kc">False</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">ExternalTaskSensor</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">allowed_states</span> <span class="o">=</span> <span class="n">allowed_states</span> <span class="ow">or</span> <span class="p">[</span><span class="n">State</span><span class="o">.</span><span class="n">SUCCESS</span><span class="p">]</span>
<span class="k">if</span> <span class="n">external_task_id</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">allowed_states</span><span class="p">)</span> <span class="o">&lt;=</span> <span class="nb">set</span><span class="p">(</span><span class="n">State</span><span class="o">.</span><span class="n">task_states</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
<span class="s1">&#39;Valid values for `allowed_states` &#39;</span>
<span class="s1">&#39;when `external_task_id` is not `None`: </span><span class="si">{}</span><span class="s1">&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">State</span><span class="o">.</span><span class="n">task_states</span><span class="p">)</span>
<span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">allowed_states</span><span class="p">)</span> <span class="o">&lt;=</span> <span class="nb">set</span><span class="p">(</span><span class="n">State</span><span class="o">.</span><span class="n">dag_states</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
<span class="s1">&#39;Valid values for `allowed_states` &#39;</span>
<span class="s1">&#39;when `external_task_id` is `None`: </span><span class="si">{}</span><span class="s1">&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">State</span><span class="o">.</span><span class="n">dag_states</span><span class="p">)</span>
<span class="p">)</span>
<span class="k">if</span> <span class="n">execution_delta</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="ow">and</span> <span class="n">execution_date_fn</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
<span class="s1">&#39;Only one of `execution_delta` or `execution_date_fn` may &#39;</span>
<span class="s1">&#39;be provided to ExternalTaskSensor; not both.&#39;</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">execution_delta</span> <span class="o">=</span> <span class="n">execution_delta</span>
<span class="bp">self</span><span class="o">.</span><span class="n">execution_date_fn</span> <span class="o">=</span> <span class="n">execution_date_fn</span>
<span class="bp">self</span><span class="o">.</span><span class="n">external_dag_id</span> <span class="o">=</span> <span class="n">external_dag_id</span>
<span class="bp">self</span><span class="o">.</span><span class="n">external_task_id</span> <span class="o">=</span> <span class="n">external_task_id</span>
<span class="bp">self</span><span class="o">.</span><span class="n">check_existence</span> <span class="o">=</span> <span class="n">check_existence</span>
<span class="nd">@provide_session</span>
<div class="viewcode-block" id="ExternalTaskSensor.poke"><a class="viewcode-back" href="../../../_api/airflow/sensors/external_task_sensor/index.html#airflow.sensors.external_task_sensor.ExternalTaskSensor.poke">[docs]</a> <span class="k">def</span> <span class="nf">poke</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">session</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">execution_delta</span><span class="p">:</span>
<span class="n">dttm</span> <span class="o">=</span> <span class="n">context</span><span class="p">[</span><span class="s1">&#39;execution_date&#39;</span><span class="p">]</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">execution_delta</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">execution_date_fn</span><span class="p">:</span>
<span class="n">dttm</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">execution_date_fn</span><span class="p">(</span><span class="n">context</span><span class="p">[</span><span class="s1">&#39;execution_date&#39;</span><span class="p">])</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">dttm</span> <span class="o">=</span> <span class="n">context</span><span class="p">[</span><span class="s1">&#39;execution_date&#39;</span><span class="p">]</span>
<span class="n">dttm_filter</span> <span class="o">=</span> <span class="n">dttm</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dttm</span><span class="p">,</span> <span class="nb">list</span><span class="p">)</span> <span class="k">else</span> <span class="p">[</span><span class="n">dttm</span><span class="p">]</span>
<span class="n">serialized_dttm_filter</span> <span class="o">=</span> <span class="s1">&#39;,&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
<span class="p">[</span><span class="n">datetime</span><span class="o">.</span><span class="n">isoformat</span><span class="p">()</span> <span class="k">for</span> <span class="n">datetime</span> <span class="ow">in</span> <span class="n">dttm_filter</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">info</span><span class="p">(</span>
<span class="s1">&#39;Poking for </span><span class="si">%s</span><span class="s1">.</span><span class="si">%s</span><span class="s1"> on </span><span class="si">%s</span><span class="s1"> ... &#39;</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">external_dag_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">external_task_id</span><span class="p">,</span> <span class="n">serialized_dttm_filter</span>
<span class="p">)</span>
<span class="n">DM</span> <span class="o">=</span> <span class="n">DagModel</span>
<span class="n">TI</span> <span class="o">=</span> <span class="n">TaskInstance</span>
<span class="n">DR</span> <span class="o">=</span> <span class="n">DagRun</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">check_existence</span><span class="p">:</span>
<span class="n">dag_to_wait</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">DM</span><span class="p">)</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span>
<span class="n">DM</span><span class="o">.</span><span class="n">dag_id</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">external_dag_id</span>
<span class="p">)</span><span class="o">.</span><span class="n">first</span><span class="p">()</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">dag_to_wait</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">&#39;The external DAG &#39;</span>
<span class="s1">&#39;</span><span class="si">{}</span><span class="s1"> does not exist.&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">external_dag_id</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">dag_to_wait</span><span class="o">.</span><span class="n">fileloc</span><span class="p">):</span>
<span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">&#39;The external DAG &#39;</span>
<span class="s1">&#39;</span><span class="si">{}</span><span class="s1"> was deleted.&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">external_dag_id</span><span class="p">))</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">external_task_id</span><span class="p">:</span>
<span class="n">refreshed_dag_info</span> <span class="o">=</span> <span class="n">DagBag</span><span class="p">(</span><span class="n">dag_to_wait</span><span class="o">.</span><span class="n">fileloc</span><span class="p">)</span><span class="o">.</span><span class="n">get_dag</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">external_dag_id</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">refreshed_dag_info</span><span class="o">.</span><span class="n">has_task</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">external_task_id</span><span class="p">):</span>
<span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">&#39;The external task&#39;</span>
<span class="s1">&#39;</span><span class="si">{}</span><span class="s1"> in DAG </span><span class="si">{}</span><span class="s1"> does not exist.&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">external_task_id</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">external_dag_id</span><span class="p">))</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">external_task_id</span><span class="p">:</span>
<span class="n">count</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">TI</span><span class="p">)</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span>
<span class="n">TI</span><span class="o">.</span><span class="n">dag_id</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">external_dag_id</span><span class="p">,</span>
<span class="n">TI</span><span class="o">.</span><span class="n">task_id</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">external_task_id</span><span class="p">,</span>
<span class="n">TI</span><span class="o">.</span><span class="n">state</span><span class="o">.</span><span class="n">in_</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">allowed_states</span><span class="p">),</span>
<span class="n">TI</span><span class="o">.</span><span class="n">execution_date</span><span class="o">.</span><span class="n">in_</span><span class="p">(</span><span class="n">dttm_filter</span><span class="p">),</span>
<span class="p">)</span><span class="o">.</span><span class="n">count</span><span class="p">()</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">count</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">DR</span><span class="p">)</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span>
<span class="n">DR</span><span class="o">.</span><span class="n">dag_id</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">external_dag_id</span><span class="p">,</span>
<span class="n">DR</span><span class="o">.</span><span class="n">state</span><span class="o">.</span><span class="n">in_</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">allowed_states</span><span class="p">),</span>
<span class="n">DR</span><span class="o">.</span><span class="n">execution_date</span><span class="o">.</span><span class="n">in_</span><span class="p">(</span><span class="n">dttm_filter</span><span class="p">),</span>
<span class="p">)</span><span class="o">.</span><span class="n">count</span><span class="p">()</span>
<span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
<span class="k">return</span> <span class="n">count</span> <span class="o">==</span> <span class="nb">len</span><span class="p">(</span><span class="n">dttm_filter</span><span class="p">)</span></div></div>
</pre></div>
</div>
</div>
<footer>
<hr/>
<div role="contentinfo">
<p>
</p>
</div>
Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
</footer>
</div>
</div>
</section>
</div>
<script type="text/javascript">
jQuery(function () {
SphinxRtdTheme.Navigation.enable(true);
});
</script>
</body>
</html>