[modules] Re-enable battery module

Enable battery module with new states:
* discharging-[10,25,50,80,100]
* charging
* charged

bumblebee/module.py

@@ -33,7 +33,8 @@ class ModuleDescription(object):
 
 class Module(object):
     def __init__(self, output, config):
-        pass
+        self._config = config
+        self._output = output
 
     def data(self):
         pass

bumblebee/modules/battery.py

@@ -11,40 +11,37 @@ def description():
     return "Displays battery status, percentage and whether it's charging or discharging."
 
 class Module(bumblebee.module.Module):
-    def __init__(self, output, args):
-        super(Module, self).__init__(args)
-        self._battery = "BAT0" if not args else args[0]
+    def __init__(self, output, config):
+        super(Module, self).__init__(output, config)
+        self._battery = config.parameter("battery.device", "BAT0")
         self._capacity = 0
         self._status = "Unknown"
 
-    def data(self):
+    def widgets(self):
         with open("/sys/class/power_supply/{}/capacity".format(self._battery)) as f:
             self._capacity = int(f.read())
         self._capacity = self._capacity if self._capacity < 100 else 100
 
-        return "{:02d}%".format(self._capacity)
+        return [
+            bumblebee.output.Widget(self,"{:02d}%".format(self._capacity))
+        ]
 
     def warning(self):
-        return self._capacity < 20
+        return self._capacity < self._config.parameter("battery.warning", 20)
 
     def critical(self):
-        return self._capacity < 10
+        return self._capacity < self._config.parameter("battery.critical", 10)
 
     def state(self):
         with open("/sys/class/power_supply/{}/status".format(self._battery)) as f:
             self._status = f.read().strip()
+
         if self._status == "Discharging":
-            if self._capacity < 10:
-                return "discharging_critical"
-            if self._capacity < 25:
-                return "discharging_low"
-            if self._capacity < 50:
-                return "discharging_medium"
-            if self._capacity < 75:
-                return "discharging_high"
-            return "discharging_full"
+            status = "discharging-{}".format(min([ 10, 25, 50, 80, 100] , key=lambda i:abs(i-self._capacity)))
+            return status
         else:
             if self._capacity > 95:
                 return "charged"
             return "charging"
+
 # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4

bumblebee/modules/cpu.py

@@ -14,7 +14,6 @@ class Module(bumblebee.module.Module):
     def __init__(self, output, config):
         super(Module, self).__init__(output, config)
         self._perc = psutil.cpu_percent(percpu=False)
-        self._config = config
 
 # TODO
 #        output.add_callback(module=self.__module__, button=1,

bumblebee/themes/solarized-powerline.json

@@ -99,23 +99,23 @@
 				"prefix": [ "  ", "  ", "  ", "  ", "  " ],
 				"suffix": "  "
 			},
-			"discharging-critical": {
+			"discharging-10": {
 				"prefix": "  ",
 				"suffix": "  "
 			},
-			"discharging-low": {
+			"discharging-25": {
 				"prefix": "  ",
 				"suffix": "  "
 			},
-			"discharging-medium": {
+			"discharging-50": {
 				"prefix": "  ",
 				"suffix": "  "
 			},
-			"discharging-high": {
+			"discharging-80": {
 				"prefix": "  ",
 				"suffix": "  "
 			},
-			"discharging-full": {
+			"discharging-100": {
 				"prefix": "  ",
 				"suffix": "  "
 			}