Fix: Reranker os scope bug + nâng transformers>=4.46 trong Docker backend

backend/hue_portal/core/reranker.py

@@ -55,17 +55,16 @@ def get_reranker(model_name: Optional[str] = None):
         print(f"[RERANKER] ⚠️ FlagEmbedding failed: {e}, trying CrossEncoder...", flush=True)
         logger.warning("[RERANKER] FlagEmbedding failed: %s, trying CrossEncoder", e)
     
-    # Fallback: Use sentence-transformers CrossEncoder (compatible with transformers 4.44.2)
+    # Fallback: Use sentence-transformers CrossEncoder (compatible with modern transformers)
     try:
         from sentence_transformers import CrossEncoder
         
-        # Use a lightweight cross-encoder model compatible with transformers 4.44.2
+        # Use a lightweight cross-encoder model
         fallback_model = "cross-encoder/ms-marco-MiniLM-L-6-v2"
         print(f"[RERANKER] Loading CrossEncoder fallback: {fallback_model}", flush=True)
         logger.info("[RERANKER] Loading CrossEncoder fallback: %s", fallback_model)
         
         # Set timeout for model download (30 seconds)
-        import os
         os.environ.setdefault("HF_HUB_DOWNLOAD_TIMEOUT", "30")
         
         _reranker = CrossEncoder(fallback_model, max_length=512)

backend/requirements.txt

@@ -14,7 +14,7 @@ scipy==1.11.4
 pydantic>=2.0.0,<3.0.0
 sentence-transformers>=2.2.0
 torch>=2.0.0
-transformers>=4.44.2,<4.50.0
+transformers>=4.46.0,<4.50.0
 accelerate>=0.21.0,<1.0.0
 bitsandbytes>=0.41.0,<0.44.0
 faiss-cpu>=1.7.4

requirements.txt

@@ -0,0 +1,26 @@
+Django==5.0.6
+djangorestframework==3.15.2
+django-cors-headers==4.4.0
+psycopg2-binary==2.9.9
+django-environ==0.11.2
+gunicorn==22.0.0
+whitenoise==6.6.0
+redis==5.0.6
+celery==5.4.0
+scikit-learn==1.3.2
+numpy>=1.26.0,<2.0.0
+scipy==1.11.4
+pydantic>=2.0.0,<3.0.0
+sentence-transformers>=2.2.0
+torch>=2.0.0
+transformers>=4.46.0,<4.50.0
+accelerate>=0.20.0,<0.30.0
+bitsandbytes>=0.41.0,<0.44.0
+faiss-cpu>=1.7.4
+python-docx==0.8.11
+PyMuPDF==1.24.3
+Pillow>=8.0.0,<12.0
+pytesseract==0.3.13
+requests>=2.31.0
+huggingface_hub>=0.25.2
+gradio>=4.0.0