start_backend.py

#!/usr/bin/env python3
"""
Startup script for the Fake News Detector backend
"""

import os
import sys
import subprocess
from pathlib import Path

def main():
    # Change to backend directory
    backend_dir = Path(__file__).parent / "backend"
    os.chdir(backend_dir)
    
    # Check if requirements are installed
    try:
        import fastapi
        import uvicorn
        print("✅ Dependencies are installed")
    except ImportError:
        print("❌ Installing dependencies...")
        subprocess.run([sys.executable, "-m", "pip", "install", "-r", "requirements.txt"])
    
    # Check for environment file
    env_file = Path(".env")
    if not env_file.exists():
        print("⚠️  No .env file found. Please create one from env.example")
        print("   You need to add your GEMINI_API_KEY and SERPAPI_API_KEY")
        print("   The server will start but API features may not work without keys.")
    
    # Start the server
    print("🚀 Starting Fake News Detector backend server...")
    print("   Server will be available at: http://localhost:8000")
    print("   API docs will be available at: http://localhost:8000/docs")
    print("   Press Ctrl+C to stop the server")
    
    try:
        subprocess.run([
            sys.executable, "-m", "uvicorn", 
            "main:app", 
            "--reload", 
            "--host", "0.0.0.0", 
            "--port", "8000"
        ])
    except KeyboardInterrupt:
        print("\n👋 Server stopped")

if __name__ == "__main__":
    main()