Add 'dots/' from commit 'f64b634dd8fbb2c8a2898c3b9d0acc9452e4d966'

git-subtree-dir: dots
git-subtree-mainline: 2ad98cde17
git-subtree-split: f64b634dd8

dots/.bin/screen-temperature

@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+
+import sys
+import subprocess
+
+DEFAULT_TEMPERATURE = 3500
+
+try:
+    with open('/tmp/temperature', 'r') as temp_file:
+        current_temperature = int(temp_file.read())
+except FileNotFoundError:
+    current_temperature = DEFAULT_TEMPERATURE
+
+# If no argument is given print the current temperature
+if len(sys.argv) == 1:
+    print(current_temperature)
+    sys.exit(0)
+elif len(sys.argv) != 2:
+    print("""
+Usage:
+
+  screen-temperature
+      print current temperature
+
+  screen-temperature <temperature>
+      set screen temperature to <temperature>
+
+  screen-temperature <+|-><temperature>
+      increase or decrease screen temperature by <temperature>
+""")
+    sys.exit(1)
+
+temperature_change = sys.argv[1]
+
+if temperature_change.startswith("+"):
+    new_temperature = current_temperature + int(temperature_change[1:])
+elif temperature_change.startswith("-"):
+    new_temperature = current_temperature - int(temperature_change[1:])
+else:
+    new_temperature = int(temperature_change)
+
+try:
+    subprocess.run(["redshift", "-O", str(new_temperature), "-P"], check=True)
+    with open('/tmp/temperature', 'w') as temp_file:
+        temp_file.write(str(new_temperature) + '\n')
+    # Send notification
+    subprocess.run(
+        ["notify-send", str(new_temperature) + "K"])
+except subprocess.CalledProcessError:
+    print("Error: could not set screen temperature.")
+    sys.exit(1)