Merge pull request #291 from lucassouto/master

Add module arch-update

README.md

@@ -161,6 +161,7 @@ Modules and commandline utilities are only required for modules, the core itself
 * power (for the module 'battery')
 * dbus (for the module 'spotify')
 * i3ipc (for the module 'title')
+* pacman-contrib (for module 'arch-update')
 
 # Required commandline utilities
 

bumblebee/modules/arch-update.py

@@ -0,0 +1,42 @@
+"""Check updates to Arch Linux."""
+
+
+import subprocess
+import bumblebee.input
+import bumblebee.output
+import bumblebee.engine
+
+
+class Module(bumblebee.engine.Module):
+    def __init__(self, engine, config):
+        widget = bumblebee.output.Widget(full_text=self.utilization)
+        super(Module, self).__init__(engine, config, widget)
+        self.packages = self.check_updates()
+
+    def check_updates(self):
+        p = subprocess.Popen(
+                "checkupdates", stdout=subprocess.PIPE, shell=True)
+
+        p_status = p.wait()
+
+        if p_status == 0:
+            (output, err) = p.communicate()
+
+            output = output.decode('utf-8')
+            packages = output.split('\n')
+            packages.pop()
+
+            return len(packages)
+        return '0'
+
+    def utilization(self, widget):
+        return 'Update Arch: {}'.format(self.packages)
+
+    def hidden(self):
+            return self.check_updates() == 0
+
+    def update(self, widgets):
+        self.packages = self.check_updates()
+
+    def state(self, widget):
+        return self.threshold_state(self.packages, 1, 100)

themes/icons/awesome-fonts.json

@@ -117,6 +117,9 @@
 		"repeat-on": { "prefix": "" },
 		"repeat-off": { "prefix": "" }
 	},
+	"arch-update": {
+		"prefix": ""
+	},
 	"github": {
 		"prefix": "  "
 	},