server.py

from http.server import HTTPServer, SimpleHTTPRequestHandler
import os
import sys

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

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

def run(port=8888):
    # Change to the directory containing the script
    os.chdir(os.path.dirname(os.path.abspath(__file__)))
    
    server_address = ('', port)
    httpd = HTTPServer(server_address, CORSRequestHandler)
    print(f'Starting server on port {port}...')
    print(f'Test page available at: http://localhost:{port}/extension/test-extension.html')
    try:
        httpd.serve_forever()
    except KeyboardInterrupt:
        print('\nShutting down server...')
        httpd.server_close()
        sys.exit(0)

if __name__ == '__main__':
    run()