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55 lines
1.5 KiB
Plaintext
55 lines
1.5 KiB
Plaintext
5 years ago
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#!/usr/bin/env python3
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import sys, os
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# config:
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# put your device here
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device="/sys/class/backlight/amdgpu_bl0/"
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def smart_int(num):
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if (num[0] == '+'): return int(num[1:])
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return int(num)
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def do_action(action):
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if (action == 'show'):
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curr = get_current()
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_max = get_max()
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print('screen brightness is at %s (%d/%d)' % (str(int(curr / _max * 100)), curr, _max));
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return
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if (action[-1:] == '%'):
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if (action[0] == "+" or action[0] == '-'):
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curr = get_current()
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max = get_max()
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curr_pc = curr / max * 100
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put_brightness(int(max * ((curr_pc + smart_int(action[:-1])) / 100)))
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else:
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put_brightness(int(get_max() * (int(action[:-1]) / 100)))
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elif (action[0] == '+' or action[0] == "-"):
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put_brightness(get_current() + smart_int(action))
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elif (action.isdigit()):
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put_brightness(int(action))
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def get_current():
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with open(device + 'brightness', 'r') as f:
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return int(f.read().replace('\n', ''))
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def put_brightness(ammount):
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ammount = num_in_range(ammount)
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print("screen brightnes is " + str(ammount));
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with open(device + 'brightness', 'r+') as f:
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f.write(str(ammount))
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def get_max():
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with open(device + 'max_brightness', 'r') as f:
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return int(f.read().replace('\n', ''))
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def num_in_range(num):
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max = get_max()
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if (num > max): num = max
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if (num < 0): num = 0
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return num
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for action in sys.argv[1::]: do_action(action)
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