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Update app.py
Browse files
app.py
CHANGED
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@@ -4,247 +4,101 @@ import time
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import json
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import logging
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import traceback
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from contextlib import asynccontextmanager
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from typing import Dict, Any
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from fastapi import FastAPI, HTTPException
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from fastapi.middleware.cors import CORSMiddleware
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from pydantic import BaseModel, Field
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#
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logging.basicConfig(
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level=logging.INFO,
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format="%(asctime)s [%(levelname)s] %(message)s",
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handlers=[logging.StreamHandler(sys.stderr)],
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)
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# ===================== БЕЗОПАСНЫЕ ИМПОРТЫ =====================
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try:
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from transformers import pipeline
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from langdetect import detect
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except Exception as e:
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# ВАЖНО: без параметра file=...
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logger.error("[ImportError] transformers/langdetect not available: %s", e, exc_info=True)
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# запасной детектор языка
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def detect(text: str) -> str: # type: ignore[no-redef]
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return "en"
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# ===================== НАСТРОЙКИ HF =====================
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HF_HOME = "/tmp/huggingface"
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os.environ["HF_HOME"] = HF_HOME
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os.makedirs(HF_HOME, exist_ok=True)
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#
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class SummarizeRequest(BaseModel):
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text: str = Field(..., min_length=3, max_length=1_000_000)
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def clean_text(self) -> str:
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return self.text.strip()
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class CheckRequest(BaseModel):
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data: str = Field(..., min_length=1, max_length=500_000)
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def clean_text(self) -> str:
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return self.data.strip()
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# ===================== КЭШ МОДЕЛЕЙ =====================
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_model_cache: Dict[str, Any] = {}
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def safe_detect_lang(text: str) -> str:
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try:
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lang = detect(text)
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return lang or "en"
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except Exception: # noqa: BLE001
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return "en"
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def get_model(lang: str):
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if pipeline is None:
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raise RuntimeError("Transformers pipeline is not available")
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if lang in _model_cache:
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logger.info("[ModelCache] Using cached model for %s", lang)
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return _model_cache[lang]
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model_map = {
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"ru": "IlyaGusev/mbart_ru_sum_gazeta",
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"kk": "facebook/mbart-large-50-many-to-many-mmt",
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"de": "facebook/bart-large-cnn",
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"es": "facebook/mbart-large-50-many-to-many-mmt",
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"fr": "facebook/mbart-large-50-many-to-many-mmt",
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"en": "facebook/bart-large-cnn",
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}
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model_name = model_map.get(lang, "facebook/bart-large-cnn")
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logger.info("[ModelLoad] Loading model for %s: %s", lang, model_name)
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model = pipeline("summarization", model=model_name, device=-1)
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_model_cache[lang] = model
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logger.info("[ModelLoad] Cached model for %s", lang)
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return model
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# ===================== LIFESPAN (WARMUP) =====================
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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start = time.time()
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logger.info("[
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for lang in ("en", "ru"):
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try:
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get_model(lang)
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except Exception as e: # noqa: BLE001
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logger.error("[Lifespan] Warmup failed for %s: %s", lang, e, exc_info=True)
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else:
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logger.warning("[Lifespan] transformers pipeline is None – warmup skipped")
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except Exception as e: # noqa: BLE001
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logger.error("[Lifespan] Warmup error: %s", e, exc_info=True)
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elapsed = time.time() - start
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logger.info("[Lifespan] Startup warmup finished in %.2f s", elapsed)
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yield
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lifespan=lifespan,
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)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# ===================== ЭНДПОИНТЫ =====================
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@app.get("/")
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async def root():
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return {
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"status": "ok",
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"version": "v3.4",
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"cached_models": list(_model_cache.keys()),
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"endpoints": ["/ping", "/check", "/summarize", "/warmup"],
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}
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@app.get("/ping")
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async def ping():
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return {
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"status": "healthy",
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"cached_models": list(_model_cache.keys()),
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}
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@app.get("/warmup")
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async def warmup():
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try:
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if pipeline is None:
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return {
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"status": "skipped",
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"reason": "transformers pipeline is not available",
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}
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loaded = []
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for lang in ("en", "ru"):
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try:
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get_model(lang)
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loaded.append(lang)
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except Exception as e: # noqa: BLE001
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logger.error("[Warmup] Failed for %s: %s", lang, e, exc_info=True)
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return {
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"status": "ok",
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"preloaded": loaded,
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"cache_size": len(_model_cache),
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}
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except Exception as e: # noqa: BLE001
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logger.error("[Warmup] Error: %s", e, exc_info=True)
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raise HTTPException(status_code=500, detail="Warmup failed") from e
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@app.post("/check")
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async def check_text(req: CheckRequest):
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try:
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text = req.clean_text()
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lang = safe_detect_lang(text)
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return {
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"status": "success",
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"preview": text[:150],
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"length": len(text),
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"detected_language": lang,
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}
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except Exception as e: # noqa: BLE001
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logger.error("/check error: %s", traceback.format_exc())
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raise HTTPException(status_code=500, detail=str(e)) from e
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@app.post("/summarize")
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async def summarize(req: SummarizeRequest):
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"@type": "Organization",
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"name": "Eroha AI Publisher",
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},
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}
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return {
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"status": "success",
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"language": lang,
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"summary": summary,
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"summary_length": len(summary),
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"original_length": len(text),
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"truncated": len(text) > max_input_length,
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"seo_json_ld": seo_json_ld,
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}
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except HTTPException:
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raise
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except Exception as e: # noqa: BLE001
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logger.error("/summarize error: %s", traceback.format_exc())
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raise HTTPException(status_code=500, detail=str(e)) from e
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=7860)
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import json
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import logging
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import traceback
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from fastapi import FastAPI, HTTPException
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from fastapi.middleware.cors import CORSMiddleware
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from pydantic import BaseModel, Field
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from contextlib import asynccontextmanager
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from typing import Dict, Any
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# ======= ЛОГИРОВАНИЕ =======
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logging.basicConfig(
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level=logging.INFO,
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format="%(asctime)s [%(levelname)s] %(message)s",
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handlers=[logging.StreamHandler(sys.stderr)],
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)
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logger = logging.getLogger("eroha-api")
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# ======= ИМПОРТЫ =======
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try:
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from transformers import pipeline
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from langdetect import detect
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except Exception as e:
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logger.error("[ImportError] transformers/langdetect not available: %s", e, exc_info=True)
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pipeline = None
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def detect(text): return "en"
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# ======= НАСТРОЙКИ =======
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HF_HOME = "/tmp/huggingface"
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os.environ["HF_HOME"] = HF_HOME
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os.makedirs(HF_HOME, exist_ok=True)
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# ======= МОДЕЛИ =======
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_model_cache: Dict[str, Any] = {}
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def get_model(lang: str):
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if pipeline is None:
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raise RuntimeError("Transformers pipeline is not available")
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if lang in _model_cache:
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return _model_cache[lang]
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model_map = {
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"ru": "IlyaGusev/mbart_ru_sum_gazeta",
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"en": "facebook/bart-large-cnn",
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}
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model_name = model_map.get(lang, "facebook/bart-large-cnn")
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model = pipeline("summarization", model=model_name, device=-1)
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_model_cache[lang] = model
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return model
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# ======= FastAPI =======
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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start = time.time()
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logger.info("[Startup] warming up models...")
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for lang in ("en", "ru"):
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try: get_model(lang)
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except Exception as e: logger.error("Warmup failed: %s", e)
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yield
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logger.info("[Shutdown] done")
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app = FastAPI(title="Eroha Agent API", version="v3.5", lifespan=lifespan)
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app.add_middleware(CORSMiddleware, allow_origins=["*"], allow_methods=["*"], allow_headers=["*"])
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# ======= МОДЕЛИ ЗАПРОСОВ =======
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class SummarizeRequest(BaseModel):
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text: str = Field(..., min_length=3, max_length=1_000_000)
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class MemoryRequest(BaseModel):
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key: str
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content: str
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# ======= ЭНДПОИНТЫ =======
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@app.get("/")
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async def root():
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return {"status": "ok", "version": "v3.5"}
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@app.get("/ping")
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async def ping():
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return {"status": "healthy", "cache": list(_model_cache.keys())}
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@app.post("/summarize")
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async def summarize(req: SummarizeRequest):
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lang = "ru" if "а" in req.text.lower() else "en"
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model = get_model(lang)
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result = model(req.text[:2000], max_length=180, min_length=50, do_sample=False)
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return {"summary": result[0]["summary_text"].strip(), "lang": lang}
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# ======= MEMORY API =======
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@app.post("/memorize")
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async def memorize(req: MemoryRequest):
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with open("memory.json", "a") as f:
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f.write(json.dumps(req.dict(), ensure_ascii=False) + "\\n")
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return {"status": "saved"}
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@app.post("/retrieve")
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async def retrieve(req: MemoryRequest):
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if not os.path.exists("memory.json"):
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return {"found": []}
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with open("memory.json", "r") as f:
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lines = [json.loads(l) for l in f]
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found = [l for l in lines if req.key.lower() in l["key"].lower()]
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return {"found": found}
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