Choses random pictures out of a folder and sets a different picture for every display every n-minutes. Uses cv2 to generate the pictures and gsettings to set the background. Tested on Ubuntu 21.04.

1. Download the latest release from here.
2. Extract the files
3. Make fakexrandr_background executable:

chmod +x fakexrandr_background

4. Run (1800 for an image change every 30 minutes [60 * 30])

/path/to/fakexrandr_background /path/to/pictures 1800

5. Add the run command to autostart: Add the following line to /home/user/.profile

/path/to/fakexrandr_background /path/to/pictures 1800 --delay 6 --brightness 0.5 &

1. Setup virtualenv with Python 3.9
2. poetry install
3. python fakexrandr_background/main.py
4. Build: pyinstaller fakexrandr_background.spec && chmod +x dist/fakexrandr_background/fakexrandr_background