Update handler.py
Browse files- handler.py +50 -2
handler.py
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from typing import Dict
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from pyannote.audio import Pipeline
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from pyannote.audio import Audio
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import io
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import torch
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import os
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SAMPLE_RATE = 16000
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class EndpointHandler():
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def __init__(self, path=""):
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# Construct the full path to the model directory
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model_path = os.path.join(".", "")
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# Load the pipeline from the model repository using the full path
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self.pipeline = Pipeline.from_pretrained(model_path)
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self.audio = Audio(sample_rate=SAMPLE_RATE, mono="downmix")
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def __call__(self, data: Dict[str, bytes]) -> Dict[str, str]:
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"""
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Args:
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data (:obj:):
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includes the deserialized audio file as bytes
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Return:
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A :obj:`dict`:. base64 encoded image
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"""
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# process input
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inputs = data.pop("inputs", data)
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parameters = data.pop("parameters", None)
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# Load the audio using pyannote.audio (downmixing to mono)
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waveform, sample_rate = self.audio(io.BytesIO(inputs))
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# prepare pyannote input
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pyannote_input = {"waveform": waveform, "sample_rate": sample_rate}
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# apply pretrained pipeline
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# pass inputs with all kwargs in data
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if parameters is not None:
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diarization = self.pipeline(pyannote_input, **parameters)
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else:
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diarization = self.pipeline(pyannote_input)
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# postprocess the prediction
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processed_diarization = [
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{"label": str(label), "start": str(segment.start), "stop": str(segment.end)}
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for segment, _, label in diarization.itertracks(yield_label=True)
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]
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return {"diarization": processed_diarization}
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