487 lines
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HTML
487 lines
16 KiB
HTML
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<title>Events | Documentation | Lektor Static Content Management System</title>
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<li><a href="../../../">Welcome</a></li>
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<li><a href="../">Plugins</a>
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<ul>
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<li class="active"><a href="./">Events</a>
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<ul>
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<li><a href="after-build/">after-build</a>
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<li><a href="after-build-all/">after-build-all</a>
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<li><a href="after-prune/">after-prune</a>
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<li><a href="before-build/">before-build</a>
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<li><a href="before-build-all/">before-build-all</a>
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<li><a href="before-prune/">before-prune</a>
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<li><a href="markdown-config/">markdown-config</a>
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<li><a href="markdown-lexer-config/">markdown-lexer-config</a>
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<li><a href="markdown-meta-init/">markdown-meta-init</a>
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<li><a href="markdown-meta-postprocess/">markdown-meta-postprocess</a>
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<li><a href="process-template-context/">process-template-context</a>
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<li><a href="server-spawn/">server-spawn</a>
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<li><a href="server-stop/">server-stop</a>
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<li><a href="setup-env/">setup-env</a>
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<li><a href="../get-plugin/">get_plugin()</a>
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<li><a href="../../templates/">Template API</a>
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<div class="visible-md-block visible-lg-block">
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<h4>This Page</h4>
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<ul class="toc">
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<li><a href="#handling-events">Handling Events</a></li>
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<li><a href="#emitting-events">Emitting Events</a></li>
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</ul>
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</div>
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</div>
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<div class="col-sm-9 doc-styling">
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<h1>Events</h1>
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<ul class=page-meta>
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</ul>
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<p>As Lektor executes and builds it emits various events that plugins can
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respond to. This gives a list of all of those events.</p>
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<h2 id="handling-events">Handling Events</h2><p>Events are handled by implementing a method with the name of the event and
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the prefix <code>on_</code> on the plugin and underscores instead of dashes. So for
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instance if the event is called <a href="process-template-context/" class="ref">process-template-context</a> the method to implement is
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<code>on_process_template_context</code>. It's important to additionally <em>always</em>
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catch extra parameters in a <code>**extra</code> parameter so that the plugin does
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not break if an event starts sending additional parameters in the future.</p>
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<h2 id="emitting-events">Emitting Events</h2><p>If you want to emit your own events you can do that from the environment's
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plugin controller:</p>
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<div class="hll"><pre><span></span><span class="bp">self</span><span class="o">.</span><span class="n">emit</span><span class="p">(</span><span class="s1">'your-signal'</span><span class="p">,</span> <span class="n">parameter</span><span class="o">=</span><span class="s1">'value'</span><span class="p">)</span>
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</pre></div>
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<p>This emits a signal named <code>your-plugin-your-signal</code>. The signal prefix is
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taken from the plugin ID which is set in <code>setup.py</code>.</p>
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<div class="child-pages nocontent">
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<div class="row">
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="after-build/">after-build</a>
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</h4>
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<p class="summary">This event is emitted after an individual source is built.</p>
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</div>
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="after-build-all/">after-build-all</a>
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</h4>
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<p class="summary">This event is emitted after all sources are built.</p>
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</div>
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</div>
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<div class="row">
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="after-prune/">after-prune</a>
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</h4>
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<p class="summary">This event is emitted after unused data in the build folder is removed.</p>
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</div>
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="before-build/">before-build</a>
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</h4>
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<p class="summary">This event is emitted before an individual source is built.</p>
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</div>
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</div>
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<div class="row">
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="before-build-all/">before-build-all</a>
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</h4>
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<p class="summary">This event is emitted before all sources are built.</p>
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</div>
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="before-prune/">before-prune</a>
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</h4>
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<p class="summary">This event is emitted before unused data in the build folder is removed.</p>
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</div>
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</div>
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<div class="row">
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="markdown-config/">markdown-config</a>
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</h4>
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<p class="summary">This event is emitted while the Markdown renderer is configured.</p>
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</div>
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="markdown-lexer-config/">markdown-lexer-config</a>
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</h4>
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<p class="summary">This event is emitted after the renderer is made, but before it is used.</p>
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</div>
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</div>
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<div class="row">
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="markdown-meta-init/">markdown-meta-init</a>
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</h4>
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<p class="summary">This event is emitted before the markdown meta information is set.</p>
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</div>
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="markdown-meta-postprocess/">markdown-meta-postprocess</a>
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</h4>
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<p class="summary">This event is emitted after the markdown meta information is set.</p>
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</div>
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</div>
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<div class="row">
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="process-template-context/">process-template-context</a>
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</h4>
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<p class="summary">An event that can be handled to customize the template context.</p>
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</div>
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="server-spawn/">server-spawn</a>
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</h4>
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<p class="summary">Emitted right after the server was started.</p>
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</div>
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</div>
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<div class="row">
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="server-stop/">server-stop</a>
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</h4>
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<p class="summary">Emitted right before the server stops.</p>
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</div>
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<div class="col-md-6 child">
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<h4>
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<i class="glyphicon glyphicon-flash"></i>
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<a href="setup-env/">setup-env</a>
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</h4>
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<p class="summary">Emitted right after the plugin is associated with the environment.</p>
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</div>
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</div>
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</div>
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<div class="comment-box">
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<h2>Comments</h2>
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<a href="../../../../license/">License & Copyright</a> •
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Made with <i class="fa fa-fw fa-heart" title="Heart"><span hidden>Heart</span></i> in Carinthia
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