Add average CPU temp to i3status

i3wrapper.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
-import sys
 import json
+import subprocess
+import sys
 
 _BITS = []
 
@@ -44,6 +45,43 @@ def _backlight(dev_dir='/sys/class/backlight/intel_backlight'):
                 color = '#5599ff'
             return '☼:{}%'.format(pct), color
 
+@_bit(7)
+def _cputemp():
+    sensors_job = subprocess.run(
+        ['sensors', '-j'],
+        check=True, capture_output=True, text=True
+    )
+    parsed = json.loads(sensors_job.stdout)
+    found_core_temps = []
+
+    for key, value in parsed.items():
+        if 'coretemp' not in key:
+            continue
+        if not hasattr(value, 'items'):
+            continue
+
+        for subkey, subvalue in value.items():
+            if 'Core' not in subkey:
+                continue
+            if not hasattr(subvalue, 'items'):
+                continue
+
+            for subsubkey, subsubvalue in subvalue.items():
+                if not subsubkey.endswith('_input'):
+                    continue
+                found_core_temps.append(subsubvalue)
+
+    avg_temp = float(sum(found_core_temps)) / len(found_core_temps)
+    color = None
+
+    if avg_temp > 75:
+        color = '#ff0000'
+    if avg_temp >= 50:
+        color = '#ffaa00'
+    if avg_temp <= 25:
+        color = '#5599ff'
+    return 'T:{}°C'.format(avg_temp), color
+
 
 def _print_line(message):
     sys.stdout.write(message + '\n')