home-assistant.github.io/developers/maintenance/index.html
2017-05-01 13:23:27 +00:00

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Maintenance
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<p>This page documents a couple of points for maintaining the Home Assistant code. Most of the tasks dont need to be performed on a regular base thus the steps, used tools, or details are preserved here.</p>
<h3><a class="title-link" name="line-separator" href="#line-separator"></a> Line separator</h3>
<p>People are using various operating systems to develop components and platforms for Home Assistant. This could lead to different line endings on file. We prefer <code class="highlighter-rouge">LN</code>. Especially Microsoft Windows tools tend to use <code class="highlighter-rouge">CRLF</code>.</p>
<div class="language-bash highlighter-rouge"><pre class="highlight"><code><span class="gp">$ </span>find homeassistant -name <span class="s2">"*.py"</span> -exec file <span class="o">{}</span> <span class="se">\;</span> | grep BOM
<span class="gp">$ </span>find homeassistant -name <span class="s2">"*.py"</span> -exec file <span class="o">{}</span> <span class="se">\;</span> | grep CRLF
</code></pre>
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<p>To fix the line separator, use <code class="highlighter-rouge">dos2unix</code> or <code class="highlighter-rouge">sed</code>.</p>
<div class="language-bash highlighter-rouge"><pre class="highlight"><code><span class="gp">$ </span>dos2unix homeassistant/components/notify/kodi.py
</code></pre>
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<h3><a class="title-link" name="dependencies" href="#dependencies"></a> Dependencies</h3>
<p>A lot of components and platforms depends on third-party Python modules. The dependencies which are stored in the <code class="highlighter-rouge">requirements_*.txt</code> files are tracked by <a href="https://gemnasium.com/github.com/home-assistant/home-assistant">gemnasium</a> and <a href="https://requires.io/github/home-assistant/home-assistant/requirements/?branch=dev">Requires.io</a>.</p>
<p>If you update the requirements of a component/platform through the <code class="highlighter-rouge">REQUIREMENTS = ['modules-xyz==0.3']</code> entry, run the provided script to update the <code class="highlighter-rouge">requirements_*.txt</code> file(s).</p>
<div class="language-bash highlighter-rouge"><pre class="highlight"><code><span class="gp">$ </span>script/gen_requirements_all.py
</code></pre>
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<p>Start a test run of Home Assistant if that was successful include all files in a Pull Request. Add a short summary of the changes, a sample configuration entry, details about the tests, and other useful information to the description.</p>
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