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import os
from django.core.wsgi import get_wsgi_application
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "hue_portal.hue_portal.settings")
application = get_wsgi_application()
# Preload models in worker process (Gunicorn workers are separate processes)
# This ensures models are loaded when worker starts, not on first request
print('[WSGI] 🔄 Preloading models in worker process...', flush=True)
try:
# 1. Preload Embedding Model (BGE-M3)
try:
print('[WSGI] 📦 Preloading embedding model (BGE-M3)...', flush=True)
from hue_portal.core.embeddings import get_embedding_model
embedding_model = get_embedding_model()
if embedding_model:
print('[WSGI] ✅ Embedding model preloaded successfully', flush=True)
else:
print('[WSGI] ⚠️ Embedding model not loaded', flush=True)
except Exception as e:
print(f'[WSGI] ⚠️ Embedding model preload failed: {e}', flush=True)
# 2. Preload LLM Model (llama.cpp)
llm_provider = os.environ.get('DEFAULT_LLM_PROVIDER') or os.environ.get('LLM_PROVIDER', '')
if llm_provider.lower() == 'llama_cpp':
try:
print('[WSGI] 📦 Preloading LLM model (llama.cpp)...', flush=True)
from hue_portal.chatbot.llm_integration import get_llm_generator
llm_gen = get_llm_generator()
if llm_gen and hasattr(llm_gen, 'llama_cpp') and llm_gen.llama_cpp:
print('[WSGI] ✅ LLM model preloaded successfully', flush=True)
else:
print('[WSGI] ⚠️ LLM model not loaded (may load on first request)', flush=True)
except Exception as e:
print(f'[WSGI] ⚠️ LLM model preload failed: {e} (will load on first request)', flush=True)
else:
print(f'[WSGI] ⏭️ Skipping LLM preload (provider is {llm_provider or "not set"}, not llama_cpp)', flush=True)
# 3. Preload Reranker Model
try:
print('[WSGI] 📦 Preloading reranker model...', flush=True)
from hue_portal.core.reranker import get_reranker
reranker = get_reranker()
if reranker:
print('[WSGI] ✅ Reranker model preloaded successfully', flush=True)
else:
print('[WSGI] ⚠️ Reranker model not loaded (may load on first request)', flush=True)
except Exception as e:
print(f'[WSGI] ⚠️ Reranker preload failed: {e} (will load on first request)', flush=True)
print('[WSGI] ✅ Model preload completed in worker process', flush=True)
except Exception as e:
print(f'[WSGI] ⚠️ Model preload error: {e} (models will load on first request)', flush=True)
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