Add new script to manage brightness

brightness

@@ -0,0 +1,36 @@
+#!/usr/bin/python3
+
+import glob
+import os
+import argparse
+
+basepath="/sys/class/backlight/"
+
+def get_dirs():
+    return glob.glob("{}*".format(basepath)):
+
+def get_driver_from_dir(directory):
+    regexp = r"{}(?P<driver>.+)".format(basepath)
+    return re.match(regexp, directory).groupdict()['driver']
+
+for dir in
+    valf = os.path.join(dir, "brightness")
+    maxf = os.path.join(dir, "max_brightness")
+
+    with open(valf, "r") as fd:
+        val = int("".join(fd.readlines()))
+
+    with open(maxf, "r") as fd:
+        maxval = int("".join(fd.readlines()))
+
+    percent = (val/maxval)*100
+
+    print("{} {} = {:.2f}%".format(val,maxval,percent))
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='cbacklight')
+
+    parser.add_argument('--inc', help='Increment by percentage (points)')
+    parser.add_argument('--dec', help='Decrement by percentage (points)')
+    parser.add_argument('--set', help='Set to percentage')