server.py

#!/usr/bin/env python3
"""
CORS-enabled development server for Visual Reasoning Playground.
Allows sample videos to work with AI detection locally.

Usage:
    python server.py
    
Then open http://localhost:8000 in your browser.
"""

from http.server import HTTPServer, SimpleHTTPRequestHandler
import sys

class CORSRequestHandler(SimpleHTTPRequestHandler):
    def end_headers(self):
        self.send_header('Access-Control-Allow-Origin', '*')
        self.send_header('Access-Control-Allow-Methods', 'GET, OPTIONS')
        self.send_header('Access-Control-Allow-Headers', '*')
        self.send_header('Cache-Control', 'no-store, no-cache, must-revalidate')
        super().end_headers()

    def do_OPTIONS(self):
        self.send_response(200)
        self.end_headers()

    extensions_map = {
        '.html': 'text/html',
        '.css': 'text/css',
        '.js': 'application/javascript',
        '.json': 'application/json',
        '.mp4': 'video/mp4',
        '.webm': 'video/webm',
        '.png': 'image/png',
        '.jpg': 'image/jpeg',
        '.jpeg': 'image/jpeg',
        '.gif': 'image/gif',
        '.svg': 'image/svg+xml',
        '.ico': 'image/x-icon',
        '': 'application/octet-stream',
    }

if __name__ == '__main__':
    port = int(sys.argv[1]) if len(sys.argv) > 1 else 8000
    server = HTTPServer(('localhost', port), CORSRequestHandler)
    print(f'\n  Visual Reasoning Playground')
    print(f'  ===========================')
    print(f'  Server running at: http://localhost:{port}')
    print(f'  CORS enabled for sample video support\n')
    print(f'  Press Ctrl+C to stop\n')
    try:
        server.serve_forever()
    except KeyboardInterrupt:
        print('\nServer stopped.')