Update app.py
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app.py
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import gradio as gr
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from perch_hoplite.zoo import model_configs
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demo = gr.Interface(
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fn=
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inputs=[],
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outputs=gr.JSON(label="
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title="
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demo.launch()
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import gradio as gr
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import numpy as np
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import librosa
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from perch_hoplite.zoo import model_configs
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# LA SOLUTION FINALE : Utiliser le nom de modèle "perch_8"
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MODEL = model_configs.load_model_by_name("perch_8")
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SR = 32000
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WIN = 5 * SR
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def _prep(wav, sr):
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if wav.ndim > 1:
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wav = np.mean(wav, axis=1)
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if sr != SR:
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wav = librosa.resample(wav.astype(np.float32), orig_sr=sr, target_sr=SR)
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if len(wav) < WIN:
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wav = np.pad(wav, (0, WIN - len(wav)))
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else:
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wav = wav[:WIN]
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return wav.astype(np.float32)
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def infer(audio):
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if audio is None:
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return {"error": "no audio"}
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sr, wav = audio
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wav = _prep(wav, sr)
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out = MODEL.embed(wav)
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logits = out.logits["label"]
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labels = out.label_names.get("label")
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idx = np.argsort(logits)[::-1][:3]
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topk = []
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top_logits = logits[idx]
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exp_logits = np.exp(top_logits - np.max(top_logits))
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sum_exp_logits = np.sum(exp_logits)
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for i in range(len(idx)):
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class_index = idx[i]
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name = labels[class_index] if labels is not None and class_index < len(labels) else f"classe_{int(class_index)}"
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prob = float(exp_logits[i] / sum_exp_logits)
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topk.append({"label": name, "score": round(prob, 4)})
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return {
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"topk": topk,
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"embedding_dim": int(out.embeddings.shape[-1]),
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"note": "Scores non calibrés; régler un seuil selon votre usage."
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}
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demo = gr.Interface(
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fn=infer,
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inputs=gr.Audio(type="numpy", sources=["microphone", "upload"]),
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outputs=gr.JSON(label="Perch 8 Inference"),
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title="Perch Bioacoustics",
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allow_flagging="never"
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)
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demo.queue(api_open=True).launch()
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