77 lines
2.3 KiB
Python
Executable File
77 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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import argparse
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import os
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import sys
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class BrightnessManager(object):
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@classmethod
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def find_brightness(cls):
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return cls.from_path(
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os.path.join("/sys/class/backlight", os.listdir("/sys/class/backlight")[0])
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)
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@classmethod
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def from_path(cls, path):
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return cls(
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set_brightness_filepath=os.path.join(path, "brightness"),
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actual_brightness_filepath=os.path.join(path, "actual_brightness"),
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max_brightness_filepath=os.path.join(path, "max_brightness"),
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)
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def __init__(
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self, set_brightness_filepath, max_brightness_filepath, actual_brightness_filepath
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):
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self.set_brightness_filepath = set_brightness_filepath
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self.max_brightness_filepath = max_brightness_filepath
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self.actual_brightness_filepath = actual_brightness_filepath
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@property
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def current_brightness(self):
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with open(self.actual_brightness_filepath) as fd:
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return int(fd.read())
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@property
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def max_brightness(self):
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with open(self.max_brightness_filepath) as fd:
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return int(fd.read())
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@current_brightness.setter
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def current_brightness(self, brightness):
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with open(self.set_brightness_filepath, 'w') as fd:
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fd.write(str(brightness))
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def increment_by_proportion(self, proportion):
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new_brightness = self.current_brightness + int(self.max_brightness * proportion)
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new_brightness = min(new_brightness, self.max_brightness)
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self.current_brightness = new_brightness
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@property
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def current_proportion(self):
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return float(self.current_brightness) / self.max_brightness
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def build_parser():
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parser = argparse.ArgumentParser(
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description='Interact with macbook brightness',
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)
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parser.add_argument(
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"--change", "-c",
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help="Change volume by the given percentage",
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default=0
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)
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parser.add_argument(
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"--print", "-p", dest="do_print",
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action='store_true',
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default=False
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)
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return parser
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if __name__ == '__main__':
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args = build_parser().parse_args()
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BrightnessManager.find_brightness().increment_by_proportion(float(args.change) / 100)
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if args.do_print:
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print(int(IntelBrightnessManager.current_proportion * 100))
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