Show fan level in i3status

i3wrapper.py

@@ -48,11 +48,12 @@ def _backlight(dev_dir='/sys/class/backlight/intel_backlight'):
 
 
 THINKFAN_CONF = '/etc/thinkfan.conf'
+ACPI_IBM_FAN = '/proc/acpi/ibm/fan'
 
 
 @_bit(7)
-def _hwtemp(conf=THINKFAN_CONF):
-    if not os.path.exists(THINKFAN_CONF):
+def _hwtemp(conf=THINKFAN_CONF, fan=ACPI_IBM_FAN):
+    if not os.path.exists(conf):
         return None, None
 
     temps = []
@@ -70,13 +71,23 @@ def _hwtemp(conf=THINKFAN_CONF):
     avg_temp = float(sum(temps)) / len(temps) / 1000.0
     color = None
 
+    fan_level = 'unset'
+    try:
+        with open(fan) as fan_fp:
+            for line in fan_fp.readlines():
+                if not line.startswith('level:\t\t'):
+                    continue
+                fan_level = int(line.replace('level:\t\t', ''))
+    except (OSError, IOError) as exc:
+        sys.stderr.write(str(exc) + '\n')
+
     if avg_temp > 75:
         color = '#ff0000'
     if avg_temp >= 50:
         color = '#ffaa00'
     if avg_temp <= 25:
         color = '#5599ff'
-    return 'T:{:.1f}°C'.format(avg_temp), color
+    return 'T:{:.1f}°C L:{}'.format(avg_temp, fan_level), color
 
 
 def _print_line(message):