Spaces:
Sleeping
Sleeping
initial: speech-to-speech backend
Browse files- Dockerfile +40 -0
- README.md +20 -5
- entrypoint.sh +31 -0
Dockerfile
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FROM pytorch/pytorch:2.6.0-cuda12.4-cudnn9-runtime
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ENV DEBIAN_FRONTEND=noninteractive \
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PYTHONUNBUFFERED=1 \
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PIP_DISABLE_PIP_VERSION_CHECK=1
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RUN apt-get update && apt-get install -y --no-install-recommends \
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git \
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ffmpeg \
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libsndfile1 \
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espeak-ng \
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curl \
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ca-certificates \
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&& rm -rf /var/lib/apt/lists/*
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RUN useradd -m -u 1000 user
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USER user
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ENV HOME=/home/user \
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PATH=/home/user/.local/bin:$PATH \
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HF_HOME=/home/user/hf_cache \
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TRANSFORMERS_CACHE=/home/user/hf_cache
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WORKDIR /home/user/app
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RUN pip install --user --no-cache-dir --upgrade pip
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# speech-to-speech desde main (v0.2.10 en PyPI no expone --llm_backend chat-completions)
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RUN pip install --user --no-cache-dir \
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"speech-to-speech @ git+https://github.com/huggingface/speech-to-speech.git@main"
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# Deps transitivas que a veces faltan en la instalación mínima
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RUN pip install --user --no-cache-dir num2words
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COPY --chown=user:user entrypoint.sh /home/user/app/entrypoint.sh
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RUN chmod +x /home/user/app/entrypoint.sh
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EXPOSE 8765
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CMD ["/home/user/app/entrypoint.sh"]
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README.md
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---
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title:
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emoji:
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colorFrom:
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colorTo:
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sdk: docker
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pinned: false
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---
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-
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---
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title: S2S Backend HF Cerebras
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emoji: 🎤
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colorFrom: green
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colorTo: indigo
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sdk: docker
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app_port: 8765
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pinned: false
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suggested_hardware: t4-small
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short_description: Parakeet + Gemma-4 Cerebras + Qwen3-TTS realtime
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---
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Backend WebSocket compatible con el protocolo OpenAI Realtime GA.
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Sirve `/v1/realtime` en el `app_port` del Space.
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Corre `huggingface/speech-to-speech --mode realtime` con:
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- **STT**: `nvidia/parakeet-tdt-0.6b-v3` (en GPU del Space)
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- **LLM**: `google/gemma-4-31B-it:cerebras` vía HF Router
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- **TTS**: `Qwen3-TTS-12Hz-1.7B` (en GPU del Space, backend torch)
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Secretos requeridos:
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- `HF_TOKEN` — token con acceso a Inference Providers (para Cerebras via router)
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Cliente: cualquier frontend que hable OpenAI Realtime, por ejemplo el fork de
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`smolagents/hf-realtime-voice`. Poner `wss://<este-space>.hf.space` en Settings.
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entrypoint.sh
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#!/usr/bin/env bash
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set -euo pipefail
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if [ -z "${HF_TOKEN:-}" ]; then
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echo "ERROR: HF_TOKEN no está definido. Configuralo en Space Settings -> Secrets."
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exit 1
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fi
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# Réplica de la config del backend de smolagents/hf-realtime-voice:
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# VAD: Silero (built-in, tiny, en GPU/CPU)
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# STT: Parakeet TDT (NVIDIA), en la GPU del Space
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# LLM: Gemma 4 31B en Cerebras, via HF Router (único servicio remoto)
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# TTS: Qwen3-TTS 1.7B, backend PyTorch en la GPU del Space
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#
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# El backend --qwen3_tts_backend torch evita el wheel específico de CUDA de GGML,
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# más simple para deploy en HF Spaces GPU. Si querés máxima velocidad de TTS
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# después, se puede cambiar a ggml y matchear la versión de CUDA de la base image.
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exec speech-to-speech \
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--mode realtime \
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--stt parakeet-tdt \
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--llm_backend chat-completions \
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--tts qwen3 \
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--qwen3_tts_backend torch \
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--model_name "google/gemma-4-31B-it:cerebras" \
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--responses_api_base_url "https://router.huggingface.co/v1" \
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--responses_api_api_key "$HF_TOKEN" \
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--responses_api_reasoning_effort none \
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--responses_api_stream \
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--enable_live_transcription \
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--ws_host 0.0.0.0 \
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--ws_port 8765
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