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Posted to commits@airflow.apache.org by ka...@apache.org on 2018/08/27 16:26:25 UTC
[05/51] [partial] incubator-airflow-site git commit: 1.10.0
http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/blob/11437c14/_modules/airflow/operators/slack_operator.html
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diff --git a/_modules/airflow/operators/slack_operator.html b/_modules/airflow/operators/slack_operator.html
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+ <h1>Source code for airflow.operators.slack_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"># "License"); 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"># "AS IS" 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">json</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>
+<span class="kn">from</span> <span class="nn">airflow.hooks.slack_hook</span> <span class="k">import</span> <span class="n">SlackHook</span>
+<span class="kn">from</span> <span class="nn">airflow.exceptions</span> <span class="k">import</span> <span class="n">AirflowException</span>
+
+
+<div class="viewcode-block" id="SlackAPIOperator"><a class="viewcode-back" href="../../../code.html#airflow.operators.slack_operator.SlackAPIOperator">[docs]</a><span class="k">class</span> <span class="nc">SlackAPIOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Base Slack Operator</span>
+<span class="sd"> The SlackAPIPostOperator is derived from this operator.</span>
+<span class="sd"> In the future additional Slack API Operators will be derived from this class as well</span>
+
+<span class="sd"> :param slack_conn_id: Slack connection ID which its password is Slack API token</span>
+<span class="sd"> :type slack_conn_id: string</span>
+<span class="sd"> :param token: Slack API token (https://api.slack.com/web)</span>
+<span class="sd"> :type token: string</span>
+<span class="sd"> :param method: The Slack API Method to Call (https://api.slack.com/methods)</span>
+<span class="sd"> :type method: string</span>
+<span class="sd"> :param api_params: API Method call parameters (https://api.slack.com/methods)</span>
+<span class="sd"> :type api_params: dict</span>
+<span class="sd"> """</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">slack_conn_id</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+ <span class="n">token</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+ <span class="n">method</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+ <span class="n">api_params</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="nb">super</span><span class="p">(</span><span class="n">SlackAPIOperator</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="k">if</span> <span class="n">token</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">and</span> <span class="n">slack_conn_id</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'No valid Slack token nor slack_conn_id supplied.'</span><span class="p">)</span>
+ <span class="k">if</span> <span class="n">token</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="ow">and</span> <span class="n">slack_conn_id</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="n">AirflowException</span><span class="p">(</span><span class="s1">'Cannot determine Slack credential when both token and slack_conn_id are supplied.'</span><span class="p">)</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">token</span> <span class="o">=</span> <span class="n">token</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">slack_conn_id</span> <span class="o">=</span> <span class="n">slack_conn_id</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">method</span> <span class="o">=</span> <span class="n">method</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">api_params</span> <span class="o">=</span> <span class="n">api_params</span>
+
+<div class="viewcode-block" id="SlackAPIOperator.construct_api_call_params"><a class="viewcode-back" href="../../../code.html#airflow.operators.slack_operator.SlackAPIOperator.construct_api_call_params">[docs]</a> <span class="k">def</span> <span class="nf">construct_api_call_params</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Used by the execute function. Allows templating on the source fields of the api_call_params dict before construction</span>
+
+<span class="sd"> Override in child classes.</span>
+<span class="sd"> Each SlackAPIOperator child class is responsible for having a construct_api_call_params function</span>
+<span class="sd"> which sets self.api_call_params with a dict of API call parameters (https://api.slack.com/methods)</span>
+<span class="sd"> """</span>
+
+ <span class="k">pass</span></div>
+
+<div class="viewcode-block" id="SlackAPIOperator.execute"><a class="viewcode-back" href="../../../code.html#airflow.operators.slack_operator.SlackAPIOperator.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="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> SlackAPIOperator calls will not fail even if the call is not unsuccessful.</span>
+<span class="sd"> It should not prevent a DAG from completing in success</span>
+<span class="sd"> """</span>
+ <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">api_params</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">construct_api_call_params</span><span class="p">()</span>
+ <span class="n">slack</span> <span class="o">=</span> <span class="n">SlackHook</span><span class="p">(</span><span class="n">token</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">token</span><span class="p">,</span> <span class="n">slack_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">slack_conn_id</span><span class="p">)</span>
+ <span class="n">slack</span><span class="o">.</span><span class="n">call</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">method</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">api_params</span><span class="p">)</span></div></div>
+
+
+<div class="viewcode-block" id="SlackAPIPostOperator"><a class="viewcode-back" href="../../../code.html#airflow.operators.slack_operator.SlackAPIPostOperator">[docs]</a><span class="k">class</span> <span class="nc">SlackAPIPostOperator</span><span class="p">(</span><span class="n">SlackAPIOperator</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Posts messages to a slack channel</span>
+
+<span class="sd"> :param channel: channel in which to post message on slack name (#general) or ID (C12318391)</span>
+<span class="sd"> :type channel: string</span>
+<span class="sd"> :param username: Username that airflow will be posting to Slack as</span>
+<span class="sd"> :type username: string</span>
+<span class="sd"> :param text: message to send to slack</span>
+<span class="sd"> :type text: string</span>
+<span class="sd"> :param icon_url: url to icon used for this message</span>
+<span class="sd"> :type icon_url: string</span>
+<span class="sd"> :param attachments: extra formatting details - see https://api.slack.com/docs/attachments</span>
+<span class="sd"> :type attachments: array of hashes</span>
+<span class="sd"> """</span>
+
+ <span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'username'</span><span class="p">,</span> <span class="s1">'text'</span><span class="p">,</span> <span class="s1">'attachments'</span><span class="p">,</span> <span class="s1">'channel'</span><span class="p">)</span>
+ <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#FFBA40'</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">channel</span><span class="o">=</span><span class="s1">'#general'</span><span class="p">,</span>
+ <span class="n">username</span><span class="o">=</span><span class="s1">'Airflow'</span><span class="p">,</span>
+ <span class="n">text</span><span class="o">=</span><span class="s1">'No message has been set.</span><span class="se">\n</span><span class="s1">'</span>
+ <span class="s1">'Here is a cat video instead</span><span class="se">\n</span><span class="s1">'</span>
+ <span class="s1">'https://www.youtube.com/watch?v=J---aiyznGQ'</span><span class="p">,</span>
+ <span class="n">icon_url</span><span class="o">=</span><span class="s1">'https://raw.githubusercontent.com/airbnb/airflow/master/airflow/www/static/pin_100.png'</span><span class="p">,</span>
+ <span class="n">attachments</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">method</span> <span class="o">=</span> <span class="s1">'chat.postMessage'</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">channel</span> <span class="o">=</span> <span class="n">channel</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">username</span> <span class="o">=</span> <span class="n">username</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">text</span> <span class="o">=</span> <span class="n">text</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">icon_url</span> <span class="o">=</span> <span class="n">icon_url</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">attachments</span> <span class="o">=</span> <span class="n">attachments</span>
+ <span class="nb">super</span><span class="p">(</span><span class="n">SlackAPIPostOperator</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="n">method</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">method</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="k">def</span> <span class="nf">construct_api_call_params</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">api_params</span> <span class="o">=</span> <span class="p">{</span>
+ <span class="s1">'channel'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">channel</span><span class="p">,</span>
+ <span class="s1">'username'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">username</span><span class="p">,</span>
+ <span class="s1">'text'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="p">,</span>
+ <span class="s1">'icon_url'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">icon_url</span><span class="p">,</span>
+ <span class="s1">'attachments'</span><span class="p">:</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">attachments</span><span class="p">),</span>
+ <span class="p">}</span></div>
+</pre></div>
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http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/blob/11437c14/_modules/airflow/operators/sqlite_operator.html
----------------------------------------------------------------------
diff --git a/_modules/airflow/operators/sqlite_operator.html b/_modules/airflow/operators/sqlite_operator.html
new file mode 100644
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+
+
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+ <h1>Source code for airflow.operators.sqlite_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"># "License"); 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"># "AS IS" 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">airflow.hooks.sqlite_hook</span> <span class="k">import</span> <span class="n">SqliteHook</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="SqliteOperator"><a class="viewcode-back" href="../../../code.html#airflow.operators.sqlite_operator.SqliteOperator">[docs]</a><span class="k">class</span> <span class="nc">SqliteOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Executes sql code in a specific Sqlite database</span>
+
+<span class="sd"> :param sqlite_conn_id: reference to a specific sqlite database</span>
+<span class="sd"> :type sqlite_conn_id: string</span>
+<span class="sd"> :param sql: the sql code to be executed</span>
+<span class="sd"> :type sql: string or string pointing to a template file. File must have</span>
+<span class="sd"> a '.sql' extensions.</span>
+<span class="sd"> """</span>
+
+ <span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'sql'</span><span class="p">,)</span>
+ <span class="n">template_ext</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'.sql'</span><span class="p">,)</span>
+ <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#cdaaed'</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">sql</span><span class="p">,</span> <span class="n">sqlite_conn_id</span><span class="o">=</span><span class="s1">'sqlite_default'</span><span class="p">,</span> <span class="n">parameters</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="nb">super</span><span class="p">(</span><span class="n">SqliteOperator</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">sqlite_conn_id</span> <span class="o">=</span> <span class="n">sqlite_conn_id</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">sql</span> <span class="o">=</span> <span class="n">sql</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">parameters</span> <span class="o">=</span> <span class="n">parameters</span> <span class="ow">or</span> <span class="p">[]</span>
+
+ <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="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">'Executing: </span><span class="si">%s</span><span class="s1">'</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">)</span>
+ <span class="n">hook</span> <span class="o">=</span> <span class="n">SqliteHook</span><span class="p">(</span><span class="n">sqlite_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">sqlite_conn_id</span><span class="p">)</span>
+ <span class="n">hook</span><span class="o">.</span><span class="n">run</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">,</span> <span class="n">parameters</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">parameters</span><span class="p">)</span></div>
+</pre></div>
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http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/blob/11437c14/_modules/airflow/operators/subdag_operator.html
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diff --git a/_modules/airflow/operators/subdag_operator.html b/_modules/airflow/operators/subdag_operator.html
new file mode 100644
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+
+ <h1>Source code for airflow.operators.subdag_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"># "License"); 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"># "AS IS" 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">airflow.exceptions</span> <span class="k">import</span> <span class="n">AirflowException</span>
+<span class="kn">from</span> <span class="nn">airflow.executors.sequential_executor</span> <span class="k">import</span> <span class="n">SequentialExecutor</span>
+<span class="kn">from</span> <span class="nn">airflow.models</span> <span class="k">import</span> <span class="n">BaseOperator</span><span class="p">,</span> <span class="n">Pool</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.db</span> <span class="k">import</span> <span class="n">provide_session</span>
+
+
+<div class="viewcode-block" id="SubDagOperator"><a class="viewcode-back" href="../../../code.html#airflow.operators.subdag_operator.SubDagOperator">[docs]</a><span class="k">class</span> <span class="nc">SubDagOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
+
+ <span class="n">template_fields</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">()</span>
+ <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#555'</span>
+ <span class="n">ui_fgcolor</span> <span class="o">=</span> <span class="s1">'#fff'</span>
+
+ <span class="nd">@provide_session</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">subdag</span><span class="p">,</span>
+ <span class="n">executor</span><span class="o">=</span><span class="n">SequentialExecutor</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="sd">"""</span>
+<span class="sd"> This runs a sub dag. By convention, a sub dag's dag_id</span>
+<span class="sd"> should be prefixed by its parent and a dot. As in `parent.child`.</span>
+
+<span class="sd"> :param subdag: the DAG object to run as a subdag of the current DAG.</span>
+<span class="sd"> :type subdag: airflow.DAG.</span>
+<span class="sd"> :param dag: the parent DAG for the subdag.</span>
+<span class="sd"> :type dag: airflow.DAG.</span>
+<span class="sd"> :param executor: the executor for this subdag. Default to use SequentialExecutor.</span>
+<span class="sd"> Please find AIRFLOW-74 for more details.</span>
+<span class="sd"> :type executor: airflow.executors.</span>
+<span class="sd"> """</span>
+ <span class="kn">import</span> <span class="nn">airflow.models</span>
+ <span class="n">dag</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'dag'</span><span class="p">)</span> <span class="ow">or</span> <span class="n">airflow</span><span class="o">.</span><span class="n">models</span><span class="o">.</span><span class="n">_CONTEXT_MANAGER_DAG</span>
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">dag</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'Please pass in the `dag` param or call '</span>
+ <span class="s1">'within a DAG context manager'</span><span class="p">)</span>
+ <span class="n">session</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s1">'session'</span><span class="p">)</span>
+ <span class="nb">super</span><span class="p">(</span><span class="n">SubDagOperator</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="c1"># validate subdag name</span>
+ <span class="k">if</span> <span class="n">dag</span><span class="o">.</span><span class="n">dag_id</span> <span class="o">+</span> <span class="s1">'.'</span> <span class="o">+</span> <span class="n">kwargs</span><span class="p">[</span><span class="s1">'task_id'</span><span class="p">]</span> <span class="o">!=</span> <span class="n">subdag</span><span class="o">.</span><span class="n">dag_id</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span>
+ <span class="s2">"The subdag's dag_id should have the form "</span>
+ <span class="s2">"'{{parent_dag_id}}.{{this_task_id}}'. Expected "</span>
+ <span class="s2">"'</span><span class="si">{d}</span><span class="s2">.</span><span class="si">{t}</span><span class="s2">'; received '</span><span class="si">{rcvd}</span><span class="s2">'."</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
+ <span class="n">d</span><span class="o">=</span><span class="n">dag</span><span class="o">.</span><span class="n">dag_id</span><span class="p">,</span> <span class="n">t</span><span class="o">=</span><span class="n">kwargs</span><span class="p">[</span><span class="s1">'task_id'</span><span class="p">],</span> <span class="n">rcvd</span><span class="o">=</span><span class="n">subdag</span><span class="o">.</span><span class="n">dag_id</span><span class="p">))</span>
+
+ <span class="c1"># validate that subdag operator and subdag tasks don't have a</span>
+ <span class="c1"># pool conflict</span>
+ <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">pool</span><span class="p">:</span>
+ <span class="n">conflicts</span> <span class="o">=</span> <span class="p">[</span><span class="n">t</span> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">subdag</span><span class="o">.</span><span class="n">tasks</span> <span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">pool</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">pool</span><span class="p">]</span>
+ <span class="k">if</span> <span class="n">conflicts</span><span class="p">:</span>
+ <span class="c1"># only query for pool conflicts if one may exist</span>
+ <span class="n">pool</span> <span class="o">=</span> <span class="p">(</span>
+ <span class="n">session</span>
+ <span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">Pool</span><span class="p">)</span>
+ <span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">Pool</span><span class="o">.</span><span class="n">slots</span> <span class="o">==</span> <span class="mi">1</span><span class="p">)</span>
+ <span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">Pool</span><span class="o">.</span><span class="n">pool</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">pool</span><span class="p">)</span>
+ <span class="o">.</span><span class="n">first</span><span class="p">()</span>
+ <span class="p">)</span>
+ <span class="k">if</span> <span class="n">pool</span> <span class="ow">and</span> <span class="nb">any</span><span class="p">(</span><span class="n">t</span><span class="o">.</span><span class="n">pool</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">pool</span> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">subdag</span><span class="o">.</span><span class="n">tasks</span><span class="p">):</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span>
+ <span class="s1">'SubDagOperator </span><span class="si">{sd}</span><span class="s1"> and subdag task</span><span class="si">{plural}</span><span class="s1"> </span><span class="si">{t}</span><span class="s1"> both '</span>
+ <span class="s1">'use pool </span><span class="si">{p}</span><span class="s1">, but the pool only has 1 slot. The '</span>
+ <span class="s1">'subdag tasks will never run.'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
+ <span class="n">sd</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">task_id</span><span class="p">,</span>
+ <span class="n">plural</span><span class="o">=</span><span class="nb">len</span><span class="p">(</span><span class="n">conflicts</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">,</span>
+ <span class="n">t</span><span class="o">=</span><span class="s1">', '</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">t</span><span class="o">.</span><span class="n">task_id</span> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">conflicts</span><span class="p">),</span>
+ <span class="n">p</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">pool</span>
+ <span class="p">)</span>
+ <span class="p">)</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">subdag</span> <span class="o">=</span> <span class="n">subdag</span>
+ <span class="c1"># Airflow pool is not honored by SubDagOperator.</span>
+ <span class="c1"># Hence resources could be consumed by SubdagOperators</span>
+ <span class="c1"># Use other executor with your own risk.</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">executor</span> <span class="o">=</span> <span class="n">executor</span>
+
+ <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">ed</span> <span class="o">=</span> <span class="n">context</span><span class="p">[</span><span class="s1">'execution_date'</span><span class="p">]</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">subdag</span><span class="o">.</span><span class="n">run</span><span class="p">(</span>
+ <span class="n">start_date</span><span class="o">=</span><span class="n">ed</span><span class="p">,</span> <span class="n">end_date</span><span class="o">=</span><span class="n">ed</span><span class="p">,</span> <span class="n">donot_pickle</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
+ <span class="n">executor</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">executor</span><span class="p">)</span></div>
+</pre></div>
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+
+ <h1>Source code for airflow.sensors.base_sensor_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"># "License"); 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"># "AS IS" 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">time</span> <span class="k">import</span> <span class="n">sleep</span>
+
+<span class="kn">from</span> <span class="nn">airflow.exceptions</span> <span class="k">import</span> <span class="n">AirflowException</span><span class="p">,</span> <span class="n">AirflowSensorTimeout</span><span class="p">,</span> \
+ <span class="n">AirflowSkipException</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</span> <span class="k">import</span> <span class="n">timezone</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="BaseSensorOperator"><a class="viewcode-back" href="../../../code.html#airflow.sensors.base_sensor_operator.BaseSensorOperator">[docs]</a><span class="k">class</span> <span class="nc">BaseSensorOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Sensor operators are derived from this class an inherit these attributes.</span>
+
+<span class="sd"> Sensor operators keep executing at a time interval and succeed when</span>
+<span class="sd"> a criteria is met and fail if and when they time out.</span>
+
+<span class="sd"> :param soft_fail: Set to true to mark the task as SKIPPED on failure</span>
+<span class="sd"> :type soft_fail: bool</span>
+<span class="sd"> :param poke_interval: Time in seconds that the job should wait in</span>
+<span class="sd"> between each tries</span>
+<span class="sd"> :type poke_interval: int</span>
+<span class="sd"> :param timeout: Time, in seconds before the task times out and fails.</span>
+<span class="sd"> :type timeout: int</span>
+<span class="sd"> """</span>
+ <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#e6f1f2'</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">poke_interval</span><span class="o">=</span><span class="mi">60</span><span class="p">,</span>
+ <span class="n">timeout</span><span class="o">=</span><span class="mi">60</span> <span class="o">*</span> <span class="mi">60</span> <span class="o">*</span> <span class="mi">24</span> <span class="o">*</span> <span class="mi">7</span><span class="p">,</span>
+ <span class="n">soft_fail</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">BaseSensorOperator</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">poke_interval</span> <span class="o">=</span> <span class="n">poke_interval</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">soft_fail</span> <span class="o">=</span> <span class="n">soft_fail</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">timeout</span> <span class="o">=</span> <span class="n">timeout</span>
+
+<div class="viewcode-block" id="BaseSensorOperator.poke"><a class="viewcode-back" href="../../../code.html#airflow.sensors.base_sensor_operator.BaseSensorOperator.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="sd">"""</span>
+<span class="sd"> Function that the sensors defined while deriving this class should</span>
+<span class="sd"> override.</span>
+<span class="sd"> """</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'Override me.'</span><span class="p">)</span></div>
+
+ <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">started_at</span> <span class="o">=</span> <span class="n">timezone</span><span class="o">.</span><span class="n">utcnow</span><span class="p">()</span>
+ <span class="k">while</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">poke</span><span class="p">(</span><span class="n">context</span><span class="p">):</span>
+ <span class="k">if</span> <span class="p">(</span><span class="n">timezone</span><span class="o">.</span><span class="n">utcnow</span><span class="p">()</span> <span class="o">-</span> <span class="n">started_at</span><span class="p">)</span><span class="o">.</span><span class="n">total_seconds</span><span class="p">()</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="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">soft_fail</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowSkipException</span><span class="p">(</span><span class="s1">'Snap. Time is OUT.'</span><span class="p">)</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowSensorTimeout</span><span class="p">(</span><span class="s1">'Snap. Time is OUT.'</span><span class="p">)</span>
+ <span class="n">sleep</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">poke_interval</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="s2">"Success criteria met. Exiting."</span><span class="p">)</span></div>
+</pre></div>
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http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/blob/11437c14/_modules/airflow/sensors/external_task_sensor.html
----------------------------------------------------------------------
diff --git a/_modules/airflow/sensors/external_task_sensor.html b/_modules/airflow/sensors/external_task_sensor.html
new file mode 100644
index 0000000..320aa4c
--- /dev/null
+++ b/_modules/airflow/sensors/external_task_sensor.html
@@ -0,0 +1,336 @@
+
+
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+ <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"># "License"); 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"># "AS IS" 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">airflow.models</span> <span class="k">import</span> <span class="n">TaskInstance</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="../../../code.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">"""</span>
+<span class="sd"> Waits for a task to complete in a different DAG</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: string</span>
+<span class="sd"> :param external_task_id: The task_id that contains the task you want to</span>
+<span class="sd"> wait for</span>
+<span class="sd"> :type external_task_id: string</span>
+<span class="sd"> :param allowed_states: list of allowed states, default is ``['success']``</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.</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"> """</span>
+ <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'external_dag_id'</span><span class="p">,</span> <span class="s1">'external_task_id'</span><span class="p">]</span>
+ <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#19647e'</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">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="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">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">'Only one of `execution_date` or `execution_date_fn` may'</span>
+ <span class="s1">'be provided to ExternalTaskSensor; not both.'</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="nd">@provide_session</span>
+ <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">'execution_date'</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">'execution_date'</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">'execution_date'</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">','</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">'Poking for '</span>
+ <span class="s1">'</span><span class="si">{self.external_dag_id}</span><span class="s1">.'</span>
+ <span class="s1">'</span><span class="si">{self.external_task_id}</span><span class="s1"> on '</span>
+ <span class="s1">'</span><span class="si">{}</span><span class="s1"> ... '</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">serialized_dttm_filter</span><span class="p">,</span> <span class="o">**</span><span class="nb">locals</span><span class="p">()))</span>
+ <span class="n">TI</span> <span class="o">=</span> <span class="n">TaskInstance</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="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>
+</pre></div>
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