Only track batteries for critical update interval

Power Source.indigoPlugin/Contents/Server Plugin/plugin.py

@@ -3,6 +3,10 @@
 import time
 import pmset
 
+# TODO track state changes and only warn on transitions:
+# e.g. "battery level critical" -> "battery level normal"
+# e.g. "external power lost" -> "external power restored"
+
 ################################################################################
 class Plugin(indigo.PluginBase):
 
@@ -81,9 +85,8 @@ def _getCurrentUpdateInterval(self):
 
         # TODO it would be nice if we could just use the information collected
         # during a device update; the issue would be that users won't always add
-        # the power supply to their list of devices - so we have to call it here
+        # all batteries to their list of devices - so we have to call it here
         batts = pmset.getBatteryInfo()
-        power = pmset.getCurrentPowerInfo()
 
         # XXX maybe we only care about critical device states if users add them?
 
@@ -92,13 +95,9 @@ def _getCurrentUpdateInterval(self):
 
         for batt in batts:
             if batt.level <= critThresh:
-                self.logger.debug(u'Critical battery level: %s', batt.name)
+                self.logger.warn(u'Critical battery level: %s', batt.name)
                 isCritical = True
 
-        if not power.isExternal:
-            self.logger.debug(u'Critical power supply: %s', power.source)
-            isCritical = True
-
         interval = 0
 
         if isCritical:

README.md

@@ -11,11 +11,10 @@ You can run the command `pmset -g batt` to see the data used by this plugin.
 Update intervals in the plugin config are used to define how frequently power information
 should be collected.
 
-The plugin will update device states depending on the current power status.  If the plugin
-determines that external power is on and all batteries are above a critical monitoring
-threshold, the "standard update interval" will be used.  If external power is down or any
+The plugin will update device states depending on the current power status.  If any
 batteries are below the critical threshold, the plugin will use the "critical update
-interval" to refresh device states.
+interval" to refresh device states.  Otherwise, the "standard update interval" will be
+used.
 
 ## Devices