From 4deee7cb0bbf8d22ca98d8c15cf7d79dfa70776b Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Mon, 11 Mar 2013 02:09:04 +0100
Subject: Implement user-tune publishing in the mpd plugin (#1840)

---
 doc/en/plugins/mpd_client.txt |  3 +++
 plugins/mpd_client.py         | 56 ++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 56 insertions(+), 3 deletions(-)

diff --git a/doc/en/plugins/mpd_client.txt b/doc/en/plugins/mpd_client.txt
index 54c6fb2d..5031fb6c 100644
--- a/doc/en/plugins/mpd_client.txt
+++ b/doc/en/plugins/mpd_client.txt
@@ -38,6 +38,9 @@ port = 6600
 password = password if necessary
 ---------------------------------------------------------------------
 
+To enable link:http://xmpp.org/extensions/xep-0118.html[User tune]
+publishing, you also have to set the _broadcast_ option to _true_.
+
 Usage
 -----
 
diff --git a/plugins/mpd_client.py b/plugins/mpd_client.py
index c215e971..a7064e09 100644
--- a/plugins/mpd_client.py
+++ b/plugins/mpd_client.py
@@ -5,6 +5,48 @@ from common import shell_split
 from os.path import basename as base
 import tabs
 import mpd
+import threading
+from select import select
+from time import sleep
+
+class UpdateThread(threading.Thread):
+    """
+    Background thread that awaits mpd changes
+    """
+
+    def __init__(self, plugin, xmpp):
+        threading.Thread.__init__(self)
+        self.plugin = plugin
+        self.xmpp = xmpp
+        self.alive = False
+        self.c = mpd.MPDClient()
+
+    def run(self, *args, **kwargs):
+        self.alive = True
+        while self.alive:
+            try:
+                self.c.connect(host=self.plugin.config.get('host', 'localhost'), port=self.plugin.config.get('port', '6600'))
+                password = self.plugin.config.get('password', '')
+                if password:
+                    self.c.password(password)
+                self.c.send_idle()
+                select([self.c], [], [])
+                self.c.fetch_idle()
+                status = self.c.status()
+                if status['state'] == 'play' and self.alive:
+                    song = self.c.currentsong()
+                    self.xmpp.plugin['xep_0118'].publish_tune(artist=song.get('artist'),
+                            length=song.get('time'), title=song.get('title'),
+                            track=song.get('track'), block=False)
+                self.c.disconnect()
+            except:
+                pass
+            finally:
+                try:
+                    self.c.disconnect()
+                except:
+                    pass
+                sleep(8)
 
 class Plugin(BasePlugin):
     def init(self):
@@ -14,6 +56,15 @@ class Plugin(BasePlugin):
                     help='Sends a message showing the current song of an MPD instance. If full is provided, the message is more verbose.',
                     short='Send the MPD status',
                     completion=self.completion_mpd)
+        if self.config.get('broadcast', 'true').lower() != 'false':
+            self.core.xmpp.register_plugin('xep_0118')
+            self.thread = UpdateThread(plugin=self, xmpp=self.core.xmpp)
+            self.thread.start()
+
+    def cleanup(self):
+        self.thread.alive = False
+        self.thread.c.disconnect()
+        self.core.xmpp.plugin['xep_0118'].stop(block=False)
 
     def command_mpd(self, args):
         args = shell_split(args)
@@ -27,13 +78,12 @@ class Plugin(BasePlugin):
         album = current.get('album', 'Unknown album')
         title = current.get('title', base(current.get('file', 'Unknown title')))
 
-
         s = '%s - %s (%s)' % (artist, title, album)
         if 'full' in args:
             if 'elapsed' in current and 'time' in current:
                 current_time = float(c.status()['elapsed'])
-                pourcentage = int(current_time / float(current['time']) * 10)
-                s += ' \x192}[\x191}' + '-'*(pourcentage-1) + '\x193}+' + '\x191}' + '-' * (10-pourcentage-1) + '\x192}]\x19o'
+                percents = int(current_time / float(current['time']) * 10)
+                s += ' \x192}[\x191}' + '-'*(percents-1) + '\x193}+' + '\x191}' + '-' * (10-percents-1) + '\x192}]\x19o'
         if not self.api.send_message('%s' % (s,)):
             self.api.information('Cannot send result (%s)' % s, 'Error')
 
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