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#!/usr/bin/python3
# This script is for my i3blocks bar, its handles scrolling to change
# brightness of monitor
import subprocess
import re
import os
display = "eDP-1"
proc = subprocess.Popen("xrandr --verbose | grep Brightness", shell=True,
stdout=subprocess.PIPE)
res = proc.stdout.readline().strip()
res = str(res)
num = re.compile("\d\.\d+")
bri = num.findall(res)[0]
bri = round(float(bri)*100)
env = os.environ
if 'BLOCK_BUTTON' in env:
button = env['BLOCK_BUTTON']
if button is not '':
button = int(button)
if button is 4:
new_bri = bri + 5
elif button is 5:
new_bri = bri - 5
else:
new_bri = bri
if new_bri <= 100 and new_bri >= 10:
bri = new_bri
new_bri = new_bri/100
subprocess.call(f"xrandr --output {display} --brightness {new_bri}",
shell=True)
subprocess.call(f"echo {new_bri} > ~/.last_brightness", shell=True)
print(f"{bri}%")
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