#!/usr/bin/env python3

"""

Environment variable loader for evo_blog_public

"""

import os

from pathlib import Path

def load_env_file(env_path: str = ".env"):

"""Load environment variables from .env file"""

env_file = Path(env_path)

if env_file.exists():

with open(env_file, 'r') as f:

for line in f:

line = line.strip()

if line and not line.startswith('#') and '=' in line:

key, value = line.split('=', 1)

os.environ[key] = value

def ensure_env_vars():

"""Ensure required environment variables are set"""

required_vars = [

'ANTHROPIC_API_KEY',

'OPENAI_API_KEY',

'GOOGLE_API_KEY'

]

missing_vars = []

for var in required_vars:

if not os.getenv(var):

missing_vars.append(var)

if missing_vars:

print(f"⚠️ Missing required environment variables: {', '.join(missing_vars)}")

print("Please copy .env.example to .env and fill in your API keys")

return False

return True

# Auto-load .env file when imported

load_env_file()