Added mpc module

module.py

@@ -21,6 +21,7 @@
 from modules import toggle
 from modules import privacy
 from modules import hass_2
+from modules import mpc
 gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk, Gdk, GLib  # noqa
 
@@ -65,7 +66,8 @@ def module(bar, name, config):
         'test': test.module,
         'toggle': toggle.module,
         'privacy': privacy.module,
-        'hass_2': hass_2.module
+        'hass_2': hass_2.module,
+        'mpc': mpc.module
     }
 
     all_widgets = {

modules/mpc.py

@@ -0,0 +1,57 @@
+#!/usr/bin/python -u
+from subprocess import run, DEVNULL, CalledProcessError
+import common as c
+import threading
+import time
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk, Pango, GLib  # noqa
+
+
+class Mpc(c.Module):
+    def __init__(self, bar, config):
+        super().__init__()
+        self.icon.set_text('')
+        self.text.set_max_width_chars(20)
+        self.text.set_ellipsize(Pango.EllipsizeMode.END)
+
+        try:
+            run(['mpc', 'version'], check=True, stdout=DEVNULL, stderr=DEVNULL)
+        except CalledProcessError:
+            self.text.set_text('mpd not running')
+        self.update()
+
+        thread = threading.Thread(target=self.listen)
+        thread.daemon = True
+        thread.start()
+
+    def listen(self):
+        while True:
+            try:
+                run(['mpc', 'idle'], stdout=DEVNULL, stderr=DEVNULL)
+                GLib.idle_add(self.update)
+            except CalledProcessError:
+                time.sleep(5)
+
+    def update(self):
+        try:
+            output = run(
+                ['mpc', 'status'], capture_output=True, check=True
+            ).stdout.decode('utf-8').splitlines()
+        except CalledProcessError:
+            return
+        artist = output[0].split(' - ')[0].strip()
+        song = output[0].split(' - ')[-1]
+        status = output[1].split(']')[0].lstrip('[')
+        if status == 'playing':
+            self.icon.set_text('')
+        elif status == 'paused':
+            self.icon.set_text('')
+        else:
+            self.icon.set_text('')
+        self.text.set_text(song)
+
+
+def module(bar, config):
+    module = Mpc(bar, config)
+    return module