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@mamantoha
Last active April 16, 2018 12:26
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Ruby script to change desktop wallpaper in Plasma > 5.7 from GoPro photo of the day
require 'net/http'
require 'open-uri'
require 'open3'
require 'json'
require 'optparse'
require 'tempfile'
options = {}
OptionParser.new do |opts|
opts.banner = "Usage: #{__FILE__} [options]"
opts.on('-nNUMBER', '--number=NUMBER', 'Image number from 1 to 9') do |n|
options[:number] = n
end
opts.on("-h", "--help", "Prints this help") do
puts opts
exit
end
end.parse!
number = options[:number] ? options[:number].match(/\A[1-9]{1}\z/) ? $&.to_i : 1 : 1
number -= 1
url = 'https://api.gopro.com/v2/channels/feed/playlists/photo-of-the-day.json?platform=web&page=1&per_page=9'
uri = URI(url)
response = Net::HTTP.get(uri)
data = JSON.parse(response)
image_url = data['media'][number]['thumbnails']['full']['image']
image_uri = URI(image_url)
image_file = Tempfile.new('gopro_wallpaper')
set_wallpaper_script = %Q[
var allDesktops = desktops();
print (allDesktops);
for (i=0; i<allDesktops.length; i++) {
d = allDesktops[i];
d.wallpaperPlugin = "org.kde.image";
d.currentConfigGroup = Array("Wallpaper", "org.kde.image", "General");
d.writeConfig("Image", "file://#{image_file.path}")
}
]
begin
# Download image to tempfile
File.open(image_file, "wb") do |f|
open(image_url, "rb") do |read_file|
f.write(read_file.read)
end
end
stdin, stdout, stderr, wait_thr = Open3.popen3(
"qdbus org.kde.plasmashell /PlasmaShell org.kde.PlasmaShell.evaluateScript '#{set_wallpaper_script}'"
)
if stdout.read =~ /Widgets are locked/
puts "Cannot change the wallpaper while widgets are locked! (unlock the widgets)"
exit
end
sleep 1
ensure
image_file.close
end
@mamantoha
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Unfortunately, I didn't find a way to unlock widgets programmatically.

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