New clients added that aren't in the current client cache now trigger a reload if the list isn't "stale" yet.

couchpotato/core/notifications/plex/main.py

@@ -43,14 +43,14 @@ class Plex(Notification):
             client_success = False
             client = self.server.clients.get(client_name)
 
-            if client:
+            if client and client['found']:
                 client_success = fireEvent('notify.plex.notifyClient', client, message, single=True)
 
                 if client_success:
                     client_names.pop(0)
 
             if not client_success:
-                if self.server.staleClients():
+                if self.server.staleClients() or not client:
                     log.info('Failed to send notification to client "%s". '
                              'Client list is stale, updating the client list and retrying.', client_name)
                     self.server.updateClients(self.getClientNames())

couchpotato/core/notifications/plex/server.py

@@ -58,11 +58,13 @@ class PlexServer(object):
             if c.get('name') and c.get('name').lower() in client_names
         ]
 
+        # Store client details in cache
         for client in found_clients:
             name = client.get('name').lower()
 
             self.clients[name] = {
                 'name': client.get('name'),
+                'found': True,
                 'address': client.get('address'),
                 'port': client.get('port'),
                 'protocol': client.get('protocol', 'xbmchttp')
@@ -70,6 +72,12 @@ class PlexServer(object):
 
             client_names.remove(name)
 
+        # Store dummy info for missing clients
+        for client_name in client_names:
+            self.clients[client_name] = {
+                'found': False
+            }
+
         if len(client_names) > 0:
             log.debug('Unable to find clients: %s', ', '.join(client_names))