app/config.py

import logging
import os
from dotenv import load_dotenv

# Initialize logging configuration
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

# Load environment variables from the .env file
load_dotenv()

# Retrieve API keys from environment variables
openai_api_key = os.getenv("OPENAI_API_KEY")

# Validate the presence of API keys
if not openai_api_key:
    # Log an error message and raise an exception if any API key is missing
    logger.error("API keys are not set properly.")
    raise ValueError("API keys for OpenAI must be set in the .env file.")
else:
    # Log a success message if both API keys are present
    logger.info("API keys loaded successfully.")