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an auto luxer

Project description

inspired by lumen <> but written for *nix machines. autolux takes a screenshot every few seconds, figures out the ‘average value’ of the resulting image (the luminence) and changes the screen brightness based on your screen’s contents.


pip install autolux


  • python2 (not python3)
  • imagemagick (for screenshots + determining average brightness)
  • xdotool (finding focused window)
  • xbacklight (for setting display brightness)


# runs autolux

# show luminence prediction model
# requires matplotlib
autolux --vis
# color is the input luminence. (5K - 65K, lower is darker)
# x axis is hour (0 - 24, with UTC offset applied)
# y axis is predicted brightness level from the model (0 - 100%)

# the red regions represent low luminence screen content and therefore
# have a higher predicted brightness. the blue regions are high luminence
# content with a lower predicted brightness

Project details

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