server.py

import http.server
import socketserver

PORT = 5100

class CORSRequestHandler(http.server.SimpleHTTPRequestHandler):
    def end_headers(self):
        # Allow cross-origin requests (crucial for fetching WASM wheels from GitHub Pages)
        self.send_header('Access-Control-Allow-Origin', '*')
        # These headers are often required by complex WASM modules to enable SharedArrayBuffer
        self.send_header('Cross-Origin-Opener-Policy', 'same-origin')
        self.send_header('Cross-Origin-Embedder-Policy', 'require-corp')
        super().end_headers()

if __name__ == '__main__':
    with socketserver.TCPServer(("", PORT), CORSRequestHandler) as httpd:
        print(f"🚀 Development server running at: http://localhost:{PORT}")
        print("Press Ctrl+C to stop.")
        httpd.serve_forever()