api_clients/config.py

# api_clients/config.py
"""
Central configuration for API keys and base URLs.
Loads keys from environment variables for security.
"""
import os
from dotenv import load_dotenv

# Load environment variables from .env file for local development
load_dotenv()

# --- API Keys ---
# In Hugging Face, these are set as Space Secrets.
GEMINI_API_KEY = os.getenv("GEMINI_API_KEY")
UMLS_API_KEY = os.getenv("UMLS_API_KEY")

# --- Base URLs ---
UMLS_AUTH_URL = "https://utslogin.nlm.nih.gov/cas/v1/api-key"
UMLS_BASE_URL = "https://uts-ws.nlm.nih.gov/rest"
RXNORM_BASE_URL = "https://rxnav.nlm.nih.gov/REST"
PUBMED_BASE_URL = "https://eutils.ncbi.nlm.nih.gov/entrez/eutils"
OPENFDA_BASE_URL = "https://api.fda.gov"
CLINICALTRIALS_BASE_URL = "https://clinicaltrials.gov/api/v2"

# --- Headers ---
# A good practice to identify your application
REQUEST_HEADERS = {
    'User-Agent': 'ProjectAsclepius/1.0 (Advanced Medical AI; https://hf.co/spaces/YourUser/YourSpace)'
}