import os from pathlib import Path # Model configuration MODEL_NAME = os.getenv("MODEL_NAME", "microsoft/DialoGPT-medium") CACHE_DIR = os.getenv("TRANSFORMERS_CACHE", "/app/model_cache") MAX_LENGTH = int(os.getenv("MAX_LENGTH", "100")) DEFAULT_TEMPERATURE = float(os.getenv("DEFAULT_TEMPERATURE", "0.7")) # Ensure cache directory exists Path(CACHE_DIR).mkdir(parents=True, exist_ok=True)