curds: Convert the Playlist class into a PlaylistNode

We just make it inherit from the base class

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

curds/playlist/library.py

@@ -9,9 +9,12 @@ library_thread = threadqueue.ThreadQueue()
 
 class LibraryPlaylist(playlist.Playlist):
     def __init__(self, path):
-        playlist.Playlist.__init__(self, os.path.abspath(path), "folder-music")
+        playlist.Playlist.__init__(self, path, "folder-music")
         self.scan()
 
+    def __normalize__(self, name):
+        return os.path.abspath(name)
+
     def scan(self):
         library_thread.push(self.thread_scan)
 

curds/playlist/playlist.py

@@ -1,11 +1,11 @@
 # Copyright 2019 (c) Anna Schumaker.
+from . import node
 from .. import notify
 import random
 
-class Playlist():
+class Playlist(node.PlaylistNode):
     def __init__(self, name, icon=""):
-        self.name    = name
-        self.icon    = icon
+        node.PlaylistNode.__init__(self, name, icon)
         self.list    = [ ]
         self.current = -1
         self.iter    = -1

curds/playlist/test_playlist.py

@@ -1,4 +1,5 @@
 # Copyright 2019 (c) Anna Schumaker.
+from . import node
 from . import playlist
 from .. import notify
 from .. import tags
@@ -32,6 +33,7 @@ class TestPlaylist(unittest.TestCase):
 
     def test_playlist_init(self):
         plist = playlist.Playlist("Test Playlist")
+        self.assertIsInstance(plist, node.PlaylistNode)
         self.assertEqual(plist.name, "Test Playlist")
         self.assertEqual(plist.icon, "")
         self.assertEqual(plist.list, [ ])