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| <h1>Source code for airflow.hooks.slack_hook</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">slackclient</span> <span class="k">import</span> <span class="n">SlackClient</span> |
| <span class="kn">from</span> <span class="nn">airflow.hooks.base_hook</span> <span class="k">import</span> <span class="n">BaseHook</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="SlackHook"><a class="viewcode-back" href="../../../code.html#airflow.hooks.slack_hook.SlackHook">[docs]</a><span class="k">class</span> <span class="nc">SlackHook</span><span class="p">(</span><span class="n">BaseHook</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Interact with Slack, using slackclient library.</span> |
| <span class="sd"> """</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">token</span><span class="o">=</span><span class="kc">None</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="sd">"""</span> |
| <span class="sd"> Takes both Slack API token directly and connection that has Slack API token.</span> |
| |
| <span class="sd"> If both supplied, Slack API token will be used.</span> |
| |
| <span class="sd"> :param token: Slack API token</span> |
| <span class="sd"> :type token: string</span> |
| <span class="sd"> :param slack_conn_id: connection that has Slack API token in the password field</span> |
| <span class="sd"> :type slack_conn_id: string</span> |
| <span class="sd"> """</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">token</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">__get_token</span><span class="p">(</span><span class="n">token</span><span class="p">,</span> <span class="n">slack_conn_id</span><span class="p">)</span> |
| |
| <span class="k">def</span> <span class="nf">__get_token</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">token</span><span class="p">,</span> <span class="n">slack_conn_id</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="p">:</span> |
| <span class="k">return</span> <span class="n">token</span> |
| <span class="k">elif</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="n">conn</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_connection</span><span class="p">(</span><span class="n">slack_conn_id</span><span class="p">)</span> |
| |
| <span class="k">if</span> <span class="ow">not</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">conn</span><span class="p">,</span> <span class="s1">'password'</span><span class="p">,</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">'Missing token(password) in Slack connection'</span><span class="p">)</span> |
| <span class="k">return</span> <span class="n">conn</span><span class="o">.</span><span class="n">password</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'Cannot get token: '</span> |
| <span class="s1">'No valid Slack token nor slack_conn_id supplied.'</span><span class="p">)</span> |
| |
| <span class="k">def</span> <span class="nf">call</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">method</span><span class="p">,</span> <span class="n">api_params</span><span class="p">):</span> |
| <span class="n">sc</span> <span class="o">=</span> <span class="n">SlackClient</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">token</span><span class="p">)</span> |
| <span class="n">rc</span> <span class="o">=</span> <span class="n">sc</span><span class="o">.</span><span class="n">api_call</span><span class="p">(</span><span class="n">method</span><span class="p">,</span> <span class="o">**</span><span class="n">api_params</span><span class="p">)</span> |
| |
| <span class="k">if</span> <span class="ow">not</span> <span class="n">rc</span><span class="p">[</span><span class="s1">'ok'</span><span class="p">]:</span> |
| <span class="n">msg</span> <span class="o">=</span> <span class="s2">"Slack API call failed (</span><span class="si">{}</span><span class="s2">)"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">rc</span><span class="p">[</span><span class="s1">'error'</span><span class="p">])</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span></div> |
| </pre></div> |
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