bump python version and test 3.10+

.github/workflows/python-demo.yml

@@ -26,13 +26,12 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, windows-latest, macos-latest ]
-        python-version: [ '3.8' ] # '3.9', '3.10', '3.11', '3.12' ]
+        python-version: [ '3.8', '3.9', '3.10', '3.11', '3.12' ]
         include:
           - os: ubuntu-latest
             install_dep: sudo apt install libportaudio2
           - os: windows-latest
           - os: macos-latest
-            install_dep: brew update && brew install portaudio --HEAD
 
     steps:
       - uses: actions/checkout@v3

.github/workflows/python.yml

@@ -38,7 +38,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, windows-latest, macos-latest ]
-        python-version: [ '3.8' ] # , '3.9', '3.10', '3.11', '3.12' ]
+        python-version: [ '3.8' , '3.9', '3.10', '3.11', '3.12' ]
 
     steps:
       - uses: actions/checkout@v3

binding/python/README.md

@@ -16,7 +16,7 @@ Orca is:
 
 ## Compatibility
 
-- Python 3.7+
+- Python 3.8+
 - Runs on Linux (x86_64), macOS (x86_64, arm64), Windows (x86_64), Raspberry Pi (5, 4, 3), and NVIDIA Jetson Nano.
 
 ## Installation

demo/python/README.md

@@ -15,7 +15,7 @@ Orca is an on-device text-to-speech engine producing high-quality, realistic, sp
 
 ## Compatibility
 
-- Python 3.7+
+- Python 3.8+
 - Runs on Linux (x86_64), macOS (x86_64, arm64), Windows (x86_64), Raspberry Pi (5, 4, 3), and NVIDIA Jetson Nano.
 
 ## Installation

demo/python/_audio_device.py

@@ -13,6 +13,8 @@
 from queue import Queue
 from typing import (
     Any,
+    Dict,
+    Optional,
     Sequence,
 )
 
@@ -22,7 +24,11 @@
 
 
 class StreamingAudioDevice:
-    def __init__(self, device_index: int) -> None:
+    def __init__(self, device_index: Optional[int] = None) -> None:
+        if device_index is None:
+            device_info = query_devices(kind="output")
+            device_index = int(device_info["index"])
+
         self._device_index = device_index
         self._queue: Queue[Sequence[int]] = Queue()
 
@@ -93,11 +99,9 @@ def terminate(self) -> None:
         self._stream.stop()
         self._stream.close()
 
-    @classmethod
-    def from_default_device(cls) -> 'StreamingAudioDevice':
-        device_info = query_devices(kind="output")
-        device_index = int(device_info["index"])
-        return cls(device_index=device_index)
+    @staticmethod
+    def list_output_devices() -> Dict[str, Any]:
+        return query_devices(kind="output")
 
 
 __all__ = [

demo/python/orca_demo_streaming.py

@@ -62,19 +62,20 @@ def main(args: argparse.Namespace) -> None:
     text = args.text_to_stream
     tokens_per_second = args.tokens_per_second
     audio_wait_chunks = args.audio_wait_chunks
+    audio_device_index = args.audio_device_index
 
     try:
-        audio_device = StreamingAudioDevice.from_default_device()
+        audio_device = StreamingAudioDevice(device_index=audio_device_index)
         # Some systems may have issues with PortAudio only when starting the audio device. Test it here.
         audio_device.start(sample_rate=16000)
         audio_device.terminate()
         play_audio_callback = audio_device.play
     except PortAudioError as e:
-        audio_device = None
         print(traceback.format_exc())
         print(
             "WARNING: Failed to initialize audio device, see details above. Falling back to running "
             "the demo without audio playback.\n")
+        audio_device = None
 
         def play_audio_callback(pcm: Sequence[int]):
             pass
@@ -154,5 +155,16 @@ def play_audio_callback(pcm: Sequence[int]):
         type=int,
         default=None,
         help="Number of PCM chunks to wait before starting to play audio. Default: system-dependent.")
+    parser.add_argument(
+        "--show-audio-devices",
+        action="store_true",
+        help="Only list available audio output devices and exit")
+    parser.add_argument('--audio-device-index', type=int, default=None, help='Index of input audio device')
+
+    arg = parser.parse_args()
+
+    if arg.show_audio_devices:
+        print(StreamingAudioDevice.list_output_devices())
+        exit(0)
 
-    main(parser.parse_args())
+    main(arg)

demo/python/setup.py

@@ -48,6 +48,6 @@
             "orca_demo_streaming=pvorcademo.orca_demo_streaming:main",
         ],
     ),
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     keywords="Text-to-Speech, TTS, Speech Synthesis, Voice Generation, Speech Engine",
 )