start_app.py

#!/usr/bin/env python3
"""
Startup Script for Modern LinkedIn Profile Analyzer
Ensures proper environment setup and launches the application
"""

import os
import sys
import subprocess
from pathlib import Path

def check_virtual_environment():
    """Check if we're running in a virtual environment"""
    return hasattr(sys, 'real_prefix') or (
        hasattr(sys, 'base_prefix') and sys.base_prefix != sys.prefix
    )

def check_environment_file():
    """Check if .env file exists and has required keys"""
    env_file = Path(".env")
    if not env_file.exists():
        print("❌ .env file not found!")
        print("📝 Please create a .env file with your API keys:")
        print()
        print("OPENAI_API_KEY=your_openai_api_key_here")
        print("TAVILY_API_KEY=your_tavily_api_key_here")
        print()
        return False
    
    # Check for required keys
    required_keys = ["OPENAI_API_KEY", "TAVILY_API_KEY"]
    missing_keys = []
    
    try:
        with open(env_file, 'r') as f:
            content = f.read()
            for key in required_keys:
                if key not in content or f"{key}=" not in content:
                    missing_keys.append(key)
    except Exception as e:
        print(f"❌ Error reading .env file: {e}")
        return False
    
    if missing_keys:
        print(f"❌ Missing required API keys in .env file: {', '.join(missing_keys)}")
        return False
    
    print("✅ Environment file configured properly")
    return True

def install_requirements():
    """Install requirements if needed"""
    requirements_file = Path("requirements.txt")
    
    if requirements_file.exists():
        print("📦 Installing/updating dependencies...")
        try:
            result = subprocess.run([
                sys.executable, "-m", "pip", "install", "-r", "requirements.txt"
            ], capture_output=True, text=True, check=True)
            print("✅ Dependencies installed successfully")
        except subprocess.CalledProcessError as e:
            print(f"❌ Failed to install dependencies: {e}")
            print(f"Error output: {e.stderr}")
            return False
    
    return True

def start_frontend():
    """Start the modern frontend"""
    frontend_file = Path("frontend_modern.py")
    
    if not frontend_file.exists():
        print("❌ Frontend file 'frontend_modern.py' not found!")
        return False
    
    print("🚀 Starting Modern LinkedIn Analyzer...")
    print("📱 The application will open at: http://127.0.0.1:8050")
    print("🔍 Ready to analyze LinkedIn profiles!")
    print()
    print("💡 Press Ctrl+C to stop the application")
    print("=" * 60)
    
    try:
        # Import and run the frontend
        import frontend_modern
        return True
    except KeyboardInterrupt:
        print("\n👋 Application stopped by user")
        return True
    except Exception as e:
        print(f"❌ Failed to start frontend: {e}")
        return False

def main():
    """Main startup function"""
    print("🚀 Modern LinkedIn Profile Analyzer - Startup")
    print("🔧 Checking environment setup...")
    print()
    
    # Check virtual environment
    if check_virtual_environment():
        print("✅ Running in virtual environment")
    else:
        print("⚠️ Not running in virtual environment")
        print("💡 Consider activating your virtual environment for better isolation")
    
    # Check environment file
    if not check_environment_file():
        sys.exit(1)
    
    # Install dependencies
    if not install_requirements():
        print("❌ Failed to set up dependencies")
        sys.exit(1)
    
    print()
    print("🎯 Environment setup complete!")
    print()
    
    # Start the application
    success = start_frontend()
    
    if not success:
        sys.exit(1)

if __name__ == "__main__":
    main()