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Adding LiteRT and more flexibility #216

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Adding LiteRT and more flexibility #216

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c39f8ed
removing explicit onnx/tensorflow lite dependency in favor of more fl…
Nov 16, 2024
af84a81
adding litert as an alternative to tflite;
Nov 16, 2024
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10 changes: 9 additions & 1 deletion openwakeword/model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,15 @@ def __init__(
# Do imports for inference framework
if inference_framework == "tflite":
try:
import tflite_runtime.interpreter as tflite
try:
# Attempt to import the newer LiteRT runtime
import ai_edge_litert.interpreter as tflite
except ImportError:
try:
# Fallback to the original tflite_runtime if LiteRT is unavailable
import tflite_runtime.interpreter as tflite
except ImportError:
raise ImportError("Neither LiteRT nor TensorFlow Lite runtime found. Please install `ai_edge_litert` or `tflite_runtime`.")

def tflite_predict(tflite_interpreter, input_index, output_index, x):
tflite_interpreter.set_tensor(input_index, x)
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7 changes: 4 additions & 3 deletions setup.py
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Expand Up @@ -26,16 +26,17 @@ def build_additional_requires():

setuptools.setup(
name="openwakeword",
version="0.6.0",
version="0.6.1",
install_requires=[
'onnxruntime>=1.10.0,<2',
'tflite-runtime>=2.8.0,<3; platform_system == "Linux"',
'tqdm>=4.0,<5.0',
'scipy>=1.3,<2',
'scikit-learn>=1,<2',
'requests>=2.0,<3',
],
extras_require={
'onnx': ['onnxruntime>=1.10.0,<2'],
'tflite': ['tflite-runtime>=2.8.0,<3'],
'litert': ['ai-edge-litert>=1.0.1,<2'],
'test': [
'pytest>=7.2.0,<8',
'pytest-cov>=2.10.1,<3',
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