Empty query matches all

config.yaml

@@ -76,7 +76,7 @@ smartplaylist:
   forward_slash: no
   playlists:
     - name: "favorites.m3u"
-      query: ['label:favorites']
+      query: ['label:']
     - name: "everyday.m3u"
       query: ['sorted_playlist:everyday']
     - name: "exercise.m3u"

plugins/labels.py

@@ -355,6 +355,9 @@ class HasLabelQuery(FieldQuery):
         if not labels:
             return False
 
+        if not pattern:
+            return True
+
         match = re.match(r'^([^.]+)(?:\.(gt|lt|eq)\.(\d+))?$', pattern)
         if not match:
             return False