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<h1><i class="glyphicon glyphicon-flash"></i> <code class="obj">process-template-context</code>
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<span class="sig">(<code>context,</code> <code>template=None</code>)</span></h1>
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<p>This event is emitted right before a template is rendered and can be used
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to inject values directly into the template context. The context is always
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provided and is a dictionary that can be modified.</p>
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<p>It's important to know that this is not the only way to modify the template
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context. Another method is to modify the underlying <a href="../../../environment/jinja-env/" class="ref">Jinja Environment</a> on the environment directly. The
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difference is that the globals from the <code>jinja_env</code> are available in <em>all</em>
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templates whereas the modified template context is only available in the
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toplevel template. This becomes apparent when you are dealing with imported
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template macros. A macro will not have access to values you provide here
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unless they are explicitly passed to it.</p>
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<p>The filename of the template is passed as <code>template</code> but is only available
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if the template was indeed loaded from the templates folder. There are many
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more places where templates are rendered in those cases the value will
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not be provided.</p>
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<h2 id="example">Example</h2><div class="hll"><pre><span></span><span class="k">def</span> <span class="nf">on_process_template_context</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="o">**</span><span class="n">extra</span><span class="p">):</span>
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<span class="n">context</span><span class="p">[</span><span class="s1">'my_variable'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'my value'</span>
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</pre></div>
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<br>
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<p>
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A list of some plugins that make use of this event is available
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<a href="../../../../../plugins/tag/process-template-context/" class="ref">here</a>.
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</p>
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