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<h1 id="new-plugin-system-for-pinry">New plugin system for Pinry<a class="headerlink" href="#new-plugin-system-for-pinry" title="Permanent link">¶</a></h1>
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<p>New plugin system is under development and a naive version has been released.</p>
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<p>A <code>PinryPlugin</code> is a python class or object which is callable.
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The plugin loader will call the plugin argument only once and use the plugin
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instance after specified events triggered just like the way django-middleware works.</p>
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<p>You could create a plugin as python-package with content:</p>
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<div class="codehilite"><pre><span></span><span class="kn">from</span> <span class="nn">core.models</span> <span class="kn">import</span> <span class="n">Image</span>
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<span class="kn">from</span> <span class="nn">django_images.models</span> <span class="kn">import</span> <span class="n">Thumbnail</span>
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<span class="k">class</span> <span class="nc">Plugin</span><span class="p">:</span>
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<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="c1"># do something you want, just be called only</span>
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<span class="k">pass</span>
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<span class="k">def</span> <span class="nf">process_image_pre_creation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">django_settings</span><span class="p">,</span> <span class="n">image_instance</span><span class="p">:</span> <span class="n">Image</span><span class="p">):</span>
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<span class="k">pass</span>
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<span class="k">def</span> <span class="nf">process_thumbnail_pre_creation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">django_settings</span><span class="p">,</span> <span class="n">thumbnail_instance</span><span class="p">:</span> <span class="n">Thumbnail</span><span class="p">):</span>
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<span class="k">pass</span>
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</pre></div>
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<p>You could make some changes on Image object and Thumbnail object
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before they actually be saved (for example, add water-mark to them).</p>
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<p>You could access example plugin via <code>pinry_plugins/batteries/plugin_example.py</code>.</p>
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<p>After all, enable the plugin in local_settings.py:</p>
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<div class="codehilite"><pre><span></span><span class="err">ENABLED_PLUGINS = [</span>
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<span class="err"> 'pinry_plugins.batteries.plugin_example.Plugin',</span>
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<span class="err">]</span>
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</pre></div>
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<p>Now the plugin will work like a charm!</p>
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<h1 id="list-of-available-plugins">List of Available Plugins<a class="headerlink" href="#list-of-available-plugins" title="Permanent link">¶</a></h1>
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<p>left blank to fill, coming soon...</p>
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<h1 id="install-plugin-in-docker">Install Plugin in Docker<a class="headerlink" href="#install-plugin-in-docker" title="Permanent link">¶</a></h1>
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<p>If you have some plugin which named <code>hello.py</code> and a have a <code>Plugin</code> class inside.</p>
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<p>You could just copy them to directory <code>pinry_plugins/batteries</code>.</p>
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<p>Now add config to local_settings.py</p>
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<div class="codehilite"><pre><span></span><span class="err">ENABLED_PLUGINS = [</span>
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<span class="err"> 'pinry_plugins.batteries.hello.Plugin',</span>
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<span class="err">]</span>
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</pre></div>
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<p>Then, rebuild your docker image, the plugin will work
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if no further python dependencies required.</p>
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