Created a module to display current playing song in DeaDBeeF media player and to allow basic media controls

bumblebee/modules/deadbeef.py

@@ -0,0 +1,72 @@
+# pylint: disable=C0111,R0903
+
+"""Displays the current song being played in DeaDBeeF and
+provides some media control bindings.
+
+Left click toggles pause, scroll up skips the current song,
+scroll down returns to the previous song.
+
+Requires the following library:
+    * subprocess
+
+Parameters:
+    * deadbeef.format: Format string (defaults to "{artist} - {title}")
+                       Available values are: {artist}, {title}, {album}, {length},
+                                             {trackno}, {year}, {comment},
+                                             {copyright}, {time}
+"""
+
+import bumblebee.input
+import bumblebee.output
+import bumblebee.engine
+
+try:
+    import subprocess
+except ImportError:
+    pass
+
+class Module(bumblebee.engine.Module):
+    def __init__(self, engine, config):
+        super(Module, self).__init__(engine, config,
+                                     bumblebee.output.Widget(full_text=self.deadbeef)
+                                     )
+        self._song = ""
+        self._format = self.parameter("format", "{artist} - {title}")
+
+        self.now_playing = ["deadbeef","--nowplaying","%a;%t;%b;%l;%n;%y;%c;%r;%e"]
+        cmd = "deadbeef "
+        
+        engine.input.register_callback(self, button=bumblebee.input.WHEEL_DOWN,
+            cmd=cmd + "--prev")
+        engine.input.register_callback(self, button=bumblebee.input.WHEEL_UP,
+            cmd=cmd + "--next")
+        engine.input.register_callback(self, button=bumblebee.input.LEFT_MOUSE,
+            cmd=cmd + "--play-pause")
+
+    def deadbeef(self, widget):
+        return str(self._song)
+
+    def hidden(self):
+        return str(self._song) == ""
+
+    def update(self, widgets):
+        try:
+            deadbeef = subprocess.Popen(self.now_playing,stdin=subprocess.PIPE,stdout=subprocess.PIPE)
+            data = deadbeef.communicate()[0]
+            if data == "nothing":
+                self._song = ""
+            else:
+                data = data.split(";")
+                self._song = self._format.format(artist=data[0],
+                                                 title=data[1],
+                                                 album=data[2],
+                                                 length=data[3],
+                                                 trackno=data[4],
+                                                 year=data[5],
+                                                 comment=data[6],
+                                                 copyright=data[7],
+                                                 time=data[8])
+        except Exception:
+            self._song = ""
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4