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README.md
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- `GET /health`
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- `GET /docs` (Swagger)
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#!/usr/bin/env python3
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"""
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Ultralekki entrypoint dla HF Spaces (Docker SDK)
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✅ Pobiera model z cache HF → uruchamia llama_cpp.server
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✅ OpenAI format | ✅ Brak auth | ✅ Odporny na zerwania | ✅ Optymalizacja CPU/RAM
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"""
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import os
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import sys
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import signal
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import logging
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from huggingface_hub import hf_hub_download
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logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")
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logger = logging.getLogger(__name__)
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MODEL_REPO = "unsloth/granite-4.1-3b-GGUF"
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MODEL_FILE = os.environ.get("MODEL_FILE", "granite-4.1-3b-UD-IQ2_M.gguf")
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PORT = os.environ.get("PORT", "7860")
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N_CTX = os.environ.get("N_CTX", "2048")
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N_THREADS = os.environ.get("N_THREADS", "2")
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N_BATCH = os.environ.get("N_BATCH", "512")
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def graceful_shutdown(signum, frame):
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logger.info("📡 Otrzymano sygnał zakończenia. Zamykanie...")
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sys.exit(0)
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signal.signal(signal.SIGTERM, graceful_shutdown)
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signal.signal(signal.SIGINT, graceful_shutdown)
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if __name__ == "__main__":
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logger.info(f"⬇️ Pobieranie/weryfikacja: {MODEL_REPO}/{MODEL_FILE}")
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model_path = hf_hub_download(
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repo_id=MODEL_REPO,
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filename=MODEL_FILE,
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resume_download=True,
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local_dir_use_symlinks=False
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)
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logger.info(f"✅ Model gotowy: {model_path}")
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# Komenda startowa llama_cpp.server (wbudowany serwer OpenAI-compatible)
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cmd = [
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sys.executable, "-m", "llama_cpp.server",
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"--model", model_path,
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"--host", "0.0.0.0",
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"--port", PORT,
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"--n_ctx", N_CTX,
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"--n_threads", N_THREADS,
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"--n_batch", N_BATCH,
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"--n_gpu_layers", "0",
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"--use_mmap",
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"--no_flash_attn"
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]
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logger.info(f"🚀 Start serwera: {' '.join(cmd)}")
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# execvp zastępuje proces Pythona serwerem → poprawna obsługa sygnałów Docker/HF
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os.execvp(sys.executable, cmd)
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