add scripts/auto-temperature.py

By @Lcchy in #12 (comment)

scripts/auto-temperature.py

@@ -0,0 +1,33 @@
+import datetime as dt
+import time
+import subprocess
+
+## Tested parameter space:
+# dusk_time < 3600 + dawn_time
+# 3600 < dusk_time
+
+temp_day = 6500
+temp_night = 3800
+dawn_time = 9 * 3600  # 9am
+dusk_time = 19 * 3600  # 19pm
+
+while True:
+    temp = temp_day
+    now = dt.datetime.now()
+    curr_time = int(
+        (now - now.replace(hour=0, minute=0, second=0, microsecond=0)).total_seconds()
+    )
+    if dawn_time - 3600 < curr_time < dawn_time:
+        temp = (dawn_time - curr_time) * (temp_night - temp_day) / 3600 + temp_day
+    if dusk_time - 3600 < curr_time < dusk_time:
+        temp = (dusk_time - curr_time) * (temp_day - temp_night) / 3600 + temp_night
+        print("check")
+    if dusk_time < curr_time or curr_time < dawn_time:
+        temp = temp_night
+    temp = int(temp)
+    subprocess.run(
+        f"busctl --user set-property rs.wl-gammarelay / rs.wl.gammarelay Temperature q {temp}",
+        shell=True,
+    )
+    time.sleep(1)
+