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"""
Centralized configuration and logging for the Rossmann Store Sales Predictor.
"""
import os
import sys
import logging
from typing import List, Optional
from pydantic_settings import BaseSettings
from pythonjsonlogger import jsonlogger
class Settings(BaseSettings):
# API Settings
APP_NAME: str = "Rossmann Store Sales Predictor"
DEBUG: bool = False
VERSION: str = "1.0.0"
API_V1_STR: str = "/api/v1"
# Model Settings
MODEL_PATH: str = os.getenv("MODEL_PATH", "models/rossmann_production_model.pkl")
FALLBACK_MODEL_PATH: str = "models/model.pkl"
DEMO_MODE: bool = os.getenv("DEMO_MODE", "true").lower() == "true"
# Data Settings
DATA_DIR: str = "data"
EXTRACTED_DATA_DIR: str = "extracted_data"
# Logging
LOG_LEVEL: str = "INFO"
# MLOps
MLFLOW_TRACKING_URI: Optional[str] = os.getenv("MLFLOW_TRACKING_URI")
ZENML_STACK_NAME: str = os.getenv("ZENML_STACK_NAME", "default")
class Config:
case_sensitive = True
env_file = ".env"
# Global settings instance
settings = Settings()
def setup_logger(name: str = "rossmann_predictor") -> logging.Logger:
"""
Configure a structured JSON logger.
"""
logger = logging.getLogger(name)
logger.setLevel(logging.INFO)
if not logger.handlers:
handler = logging.StreamHandler(sys.stdout)
formatter = jsonlogger.JsonFormatter(
'%(asctime)s %(levelname)s %(name)s %(message)s'
)
handler.setFormatter(formatter)
logger.addHandler(handler)
return logger
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