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| <h1>Source code for airflow.contrib.example_dags.example_papermill_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="sd">"""</span> |
| <span class="sd">This DAG will use Papermill to run the notebook "hello_world", based on the execution date</span> |
| <span class="sd">it will create an output notebook "out-<date>". All fields, including the keys in the parameters, are</span> |
| <span class="sd">templated.</span> |
| <span class="sd">"""</span> |
| |
| <span class="kn">from</span> <span class="nn">datetime</span> <span class="kn">import</span> <span class="n">timedelta</span> |
| |
| <span class="kn">from</span> <span class="nn">airflow.models</span> <span class="kn">import</span> <span class="n">DAG</span> |
| <span class="kn">from</span> <span class="nn">airflow.operators.papermill_operator</span> <span class="kn">import</span> <span class="n">PapermillOperator</span> |
| <span class="kn">from</span> <span class="nn">airflow.utils.dates</span> <span class="kn">import</span> <span class="n">days_ago</span> |
| |
| |
| <span class="n">default_args</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="s1">'owner'</span><span class="p">:</span> <span class="s1">'Airflow'</span><span class="p">,</span> |
| <span class="s1">'start_date'</span><span class="p">:</span> <span class="n">days_ago</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span> |
| <span class="p">}</span> |
| |
| <span class="k">with</span> <span class="n">DAG</span><span class="p">(</span> |
| <span class="n">dag_id</span><span class="o">=</span><span class="s1">'example_papermill_operator'</span><span class="p">,</span> |
| <span class="n">default_args</span><span class="o">=</span><span class="n">default_args</span><span class="p">,</span> |
| <span class="n">schedule_interval</span><span class="o">=</span><span class="s1">'0 0 * * *'</span><span class="p">,</span> |
| <span class="n">dagrun_timeout</span><span class="o">=</span><span class="n">timedelta</span><span class="p">(</span><span class="n">minutes</span><span class="o">=</span><span class="mi">60</span><span class="p">)</span> |
| <span class="p">)</span> <span class="k">as</span> <span class="n">dag</span><span class="p">:</span> |
| <span class="c1"># [START howto_operator_papermill]</span> |
| <span class="n">run_this</span> <span class="o">=</span> <span class="n">PapermillOperator</span><span class="p">(</span> |
| <span class="n">task_id</span><span class="o">=</span><span class="s2">"run_example_notebook"</span><span class="p">,</span> |
| <span class="n">input_nb</span><span class="o">=</span><span class="s2">"/tmp/hello_world.ipynb"</span><span class="p">,</span> |
| <span class="n">output_nb</span><span class="o">=</span><span class="s2">"/tmp/out-{{ execution_date }}.ipynb"</span><span class="p">,</span> |
| <span class="n">parameters</span><span class="o">=</span><span class="p">{</span><span class="s2">"msgs"</span><span class="p">:</span> <span class="s2">"Ran from Airflow at {{ execution_date }}!"</span><span class="p">}</span> |
| <span class="p">)</span> |
| <span class="c1"># [END howto_operator_papermill]</span> |
| </pre></div> |
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