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<h1 class="post-title">Dynamically change your gnome desktop wallpaper</h1>
<span class="post-date">
11 octobre 2010, dans <a class="no-color" href="category/technologie.html">Technologie</a>
</span>
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<h1>🌟</h1>
<p>In gnome, you can can use a XML file to have a dynamic wallpaper. It's
not so easy, and you can't just tell: use the pictures in this folder to
do so.</p>
<p>You can have a look to the git repository if you want:
<a href="http://github.com/ametaireau/gnome-background-generator">http://github.com/ametaireau/gnome-background-generator</a></p>
<p>Some time ago, I've made a little python script to ease that, and you
can now use it too. It's named "gnome-background-generator", and you can
install it via pip for instance.</p>
<p>``` sourceCode shell
$ pip install gnome-background-generator</p>
<div class="highlight"><pre><span></span><span class="k">Then</span>, <span class="nv">you</span> <span class="nv">have</span> <span class="nv">just</span> <span class="nv">to</span> <span class="nv">use</span> <span class="nv">it</span> <span class="nv">this</span> <span class="nv">way</span>:
``` <span class="nv">sourceCode</span> <span class="nv">shell</span>
$ <span class="nv">gnome</span><span class="o">-</span><span class="nv">background</span><span class="o">-</span><span class="nv">generator</span> <span class="o">-</span><span class="nv">p</span> <span class="o">~/</span><span class="nv">Images</span><span class="o">/</span><span class="nv">walls</span> <span class="o">-</span><span class="nv">s</span>
<span class="o">/</span><span class="nv">home</span><span class="o">/</span><span class="nv">alexis</span><span class="o">/</span><span class="nv">Images</span><span class="o">/</span><span class="nv">walls</span><span class="o">/</span><span class="nv">dynamic</span><span class="o">-</span><span class="nv">wallpaper</span>.<span class="nv">xml</span> <span class="nv">generated</span>
</pre></div>
<p>Here is a extract of the `--help`:</p>
<p>``` sourceCode shell
$ gnome-background-generator --help
usage: gnome-background-generator [-h] [-p PATH] [-o OUTPUT]
[-t TRANSITION_TIME] [-d DISPLAY_TIME] [-s]
[-b]</p>
<p>A simple command line tool to generate an XML file to use for gnome
wallpapers, to have dynamic walls</p>
<p>optional arguments:
-h, --help show this help message and exit
-p PATH, --path PATH Path to look for the pictures. If no output is
specified, will be used too for outputing the dynamic-
wallpaper.xml file. Default value is the current
directory (.)
-o OUTPUT, --output OUTPUT
Output filename. If no filename is specified, a
dynamic-wallpaper.xml file will be generated in the
path containing the pictures. You can also use "-" to
display the xml in the stdout.
-t TRANSITION_TIME, --transition-time TRANSITION_TIME
Time (in seconds) transitions must last (default value
is 2 seconds)
-d DISPLAY_TIME, --display-time DISPLAY_TIME
Time (in seconds) a picture must be displayed. Default
value is 900 (15mn)
-s, --set-background '''try to set the background using gnome-appearance-
properties
-b, --debug
```</p>
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