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<h4>This Page</h4>
<ul class="toc">
<li><a href="#supported-formats">Supported Formats</a></li>
<li><a href="#navigating-bags">Navigating Bags</a></li>
<li><a href="#example-databag">Example Databag</a></li>
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<div class="col-sm-9 doc-styling">
<h1><i class="glyphicon glyphicon-leaf"></i> <code class="mod">lektor.databags.</code><code class="obj">Databags</code></h1>
<ul class=page-meta>
</ul>
<p>The databag system is a simple support system in Lektor that allows a
Lektor website to load variables from simple key/value or JSON files.
This is primarily useful to load translations, API keys and similar
things that are needed in multiple templates.</p>
<p>From within templates you can use the <a href="../templates/globals/bag/" class="ref">bag</a>
function to access databags.</p>
<h2 id="supported-formats">Supported Formats</h2><p>Databags go into the <code>databags/</code> folder in your project. There are two
formats supported: key/value pairs as ini files as well as JSON files:</p>
<table>
<thead><tr>
<th>Extension</th>
<th>Format</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>.json</code></td>
<td>JSON</td>
</tr>
<tr>
<td><code>.ini</code></td>
<td>INI Files with or without sections</td>
</tr>
</tbody>
</table>
<h2 id="navigating-bags">Navigating Bags</h2><p>Dotted notation is used to navigate into data bags which are globally
merged together. This means that if you have a file named <code>i18n.ini</code>
with a section <code>[en]</code> and a key <code>CLICK_HERE</code> the path <code>i18n.en.CLICK_HERE</code>
will target that key. For JSON files further nesting is possible. You
can also just target a section and the return value will be a dictionary
which can for instance be used with the <a href="../templates/filters/tojson/" class="ref">tojson</a>
filter.</p>
<h2 id="example-databag">Example Databag</h2><p>This is a basic example of a data bag that contains configuration values
for google maps. It's stored in <code>databags/gmaps.ini</code>:</p>
<div class="hll"><pre><span></span><span class="na">key</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">1233456ABCDEFG</span>
<span class="na">api_url</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">https://www.google.com/maps/embed/v1/</span>
</pre></div>
<p>This can then be used to good effect in templates:</p>
<div class="hll"><pre><span></span><span class="cp">{%</span> <span class="k">macro</span> <span class="nv">render_map</span><span class="o">(</span><span class="nv">location</span><span class="o">,</span> <span class="nv">width</span><span class="o">=</span><span class="m">600</span><span class="o">,</span> <span class="nv">height</span><span class="o">=</span><span class="m">450</span><span class="o">)</span> <span class="cp">%}</span>
<span class="p"><</span><span class="nt">iframe</span>
<span class="na">width</span><span class="o">=</span><span class="s">"</span><span class="cp">{{</span> <span class="nv">width</span> <span class="cp">}}</span><span class="s">"</span> <span class="na">height</span><span class="o">=</span><span class="s">"</span><span class="cp">{{</span> <span class="nv">height</span> <span class="cp">}}</span><span class="s">"</span>
<span class="na">frameborder</span><span class="o">=</span><span class="s">"0"</span> <span class="na">style</span><span class="o">=</span><span class="s">"border:0"</span>
<span class="na">src</span><span class="o">=</span><span class="s">"</span><span class="cp">{{</span> <span class="nv">bag</span><span class="o">(</span><span class="s1">'gmaps.api_url'</span><span class="o">)</span> <span class="cp">}}</span><span class="s">?q=</span><span class="cp">{{</span> <span class="nv">location</span><span class="o">|</span><span class="nf">urlencode</span>
<span class="cp">}}</span><span class="s">&key=</span><span class="cp">{{</span> <span class="nv">bag</span><span class="o">(</span><span class="s1">'gmaps.key'</span><span class="o">)|</span><span class="nf">urlencode</span> <span class="cp">}}</span><span class="s">"</span>
<span class="na">allowfullscreen</span><span class="p">></</span><span class="nt">iframe</span><span class="p">></span>
<span class="cp">{%</span> <span class="k">endmacro</span> <span class="cp">%}</span>
</pre></div>
<div class="child-pages nocontent">
<div class="row">
<div class="col-md-6 child">
<h4>
<i class="glyphicon glyphicon-cog"></i>
<a href="get-bag/">get_bag()</a>
</h4>
<p class="summary">Looks up an entire databag by its name.</p>
</div>
<div class="col-md-6 child">
<h4>
<i class="glyphicon glyphicon-cog"></i>
<a href="lookup/">lookup()</a>
</h4>
<p class="summary">Looks up data from databags.</p>
</div>
</div>
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