Add class and functions for updating an LMS server

headphones/notifiers.py

@@ -192,6 +192,51 @@ class XBMC:
 
             except:
                 logger.warn('Error sending notification request to XBMC')
+class LMS:
+
+#Class for updating a Logitech Media Server
+
+    def __init__(self):
+    
+        self.hosts = headphones.LMS_HOST
+    
+    def _sendjson(self, host):
+        data = {'id': 1, 'method': 'slim.request', 'params': ["",["rescan"]]} #Had a lot of trouble with simplejson, but this works.
+        data = simplejson.JSONEncoder().encode(data)
+
+        content = {'Content-Type': 'application/json', 'Content-Length': len(data)}
+
+        req = urllib2.Request(host+'/jsonrpc.js', data, content)
+
+        try:
+            handle = urllib2.urlopen(req)
+        except Exception, e:
+            logger.warn('Error opening LMS url: %s' % e)
+            return
+
+        response = simplejson.JSONDecoder().decode(handle.read())
+        server_result = simplejson.dumps(response)
+        
+        try:
+            return response[0]['result']
+        except:
+            logger.warn('LMS returned error: %s' % response[0]['error'])
+            return
+
+    def update(self):
+                    
+		#Send the ["rescan"] command to an LMS server.
+		#Note that the command must be prefixed with the 'player' that the command is aimed at,
+		#But with this being a request for the server to update its library, the player is blank, so ""
+
+        hosts = [x.strip() for x in self.hosts.split(',')]
+
+        for host in hosts:
+            logger.info('Sending library rescan command to LMS @ '+host)
+            request = self._sendjson(host)
+            
+            if not request:
+                logger.warn('Error sending rescan request to LMS')
 
 class Plex: