Merge pull request #85 from dangmai/mpdupdate

Fix mpdupdate to update mpd whenever the database changes (not just import)

beetsplug/mpdupdate.py

@@ -14,11 +14,11 @@
 
 """Updates an MPD index whenever the library is changed.
 
-Put something like the following in your .beetsconfig to configure:
-    [mpdupdate]
-    host = localhost
-    port = 6600
-    password = seekrit
+Put something like the following in your config.yaml to configure:
+    mpdupdate:
+        host: localhost
+        port: 6600
+        password: seekrit
 """
 from __future__ import print_function
 
@@ -26,6 +26,10 @@ from beets.plugins import BeetsPlugin
 import socket
 from beets import config
 
+# Global variable so that mpdupdate can detect database changes and run only
+# once before beets exits.
+database_changed = False
+
 # No need to introduce a dependency on an MPD library for such a
 # simple use case. Here's a simple socket abstraction to make things
 # easier.
@@ -97,10 +101,18 @@ class MPDUpdatePlugin(BeetsPlugin):
             'password': u'',
         })
 
-@MPDUpdatePlugin.listen('import')
-def update(lib=None, paths=None):
-    update_mpd(
-        config['mpdupdate']['host'].get(unicode),
-        config['mpdupdate']['port'].get(int),
-        config['mpdupdate']['password'].get(unicode),
-    )
+
+@MPDUpdatePlugin.listen('database_change')
+def handle_change(lib=None):
+    global database_changed
+    database_changed = True
+
+
+@MPDUpdatePlugin.listen('cli_exit')
+def update(lib=None):
+    if database_changed:
+        update_mpd(
+            config['mpdupdate']['host'].get(unicode),
+            config['mpdupdate']['port'].get(int),
+            config['mpdupdate']['password'].get(unicode),
+        )