Add Client.uuid property

Author: mgeier

jack_build.py

@@ -240,6 +240,10 @@
 jack_midi_data_t* jack_midi_event_reserve(void* port_buffer, jack_nframes_t time, size_t data_size);
 int jack_midi_event_write(void* port_buffer, jack_nframes_t time, const jack_midi_data_t* data, size_t data_size);
 uint32_t jack_midi_get_lost_event_count(void* port_buffer);
+
+/* session.h */
+
+char* jack_client_get_uuid(jack_client_t* client);
 """)
 
 # Packed structure

src/jack.py

@@ -148,6 +148,14 @@ def name(self):
         """The name of the JACK client (read-only)."""
         return _decode(_lib.jack_get_client_name(self._ptr))
 
+    @property
+    def uuid(self):
+        """The UUID of the JACK client (read-only)."""
+        uuid = _ffi.gc(_lib.jack_client_get_uuid(self._ptr), _lib.jack_free)
+        if not uuid:
+            raise JackError('Unable to get UUID')
+        return _ffi.string(uuid).decode()
+
     @property
     def samplerate(self):
         """The sample rate of the JACK system (read-only)."""