Metadata API: Allow Client and Port as "subject" argument

Author: mgeier

examples/metadata.py

@@ -7,24 +7,24 @@
 client = jack.Client('Metadata-Client')
 port = client.inports.register('input')
 
-client.set_property(client.uuid, jack.METADATA_PRETTY_NAME, 'Best Client Ever')
+client.set_property(client, jack.METADATA_PRETTY_NAME, 'Best Client Ever')
 print('Client "pretty" name:',
-      jack.get_property(client.uuid, jack.METADATA_PRETTY_NAME))
+      jack.get_property(client, jack.METADATA_PRETTY_NAME))
 
 client.set_property(
-    port.uuid, jack.METADATA_PRETTY_NAME, b'a good port', 'text/plain')
+    port, jack.METADATA_PRETTY_NAME, b'a good port', 'text/plain')
 print('Port "pretty" name:',
-      jack.get_property(port.uuid, jack.METADATA_PRETTY_NAME))
+      jack.get_property(port, jack.METADATA_PRETTY_NAME))
 
 print('All client properties:')
-pprint(jack.get_properties(client.uuid))
+pprint(jack.get_properties(client))
 
 print('All port properties:')
-pprint(jack.get_properties(port.uuid))
+pprint(jack.get_properties(port))
 
 print('All properties:')
 pprint(jack.get_all_properties())
 
-client.remove_property(port.uuid, jack.METADATA_PRETTY_NAME)
-client.remove_properties(client.uuid)
+client.remove_property(port, jack.METADATA_PRETTY_NAME)
+client.remove_properties(client)
 client.remove_all_properties()

src/jack.py

@@ -2550,6 +2550,9 @@ class CallbackExit(Exception):
 
 
 def _uuid_parse(uuid):
+    if isinstance(uuid, (Client, Port)):
+        uuid = uuid.uuid
+
     if isinstance(uuid, int):
         return uuid
     elif isinstance(uuid, str):