Simple python server to run HTML5 Godot 4.0+ games locally

server.py

#!/usr/bin/env python3
"""
If you run into the errors for "Cross Origin Isolation" and 
"SharedArrayBuffer" when trying to run your exported HTML Godot
game, use this simple server to fix the problem!

Create this file in the same folder as your exported HTML files
and run with `python ./server.py`. Then open a web browser
and go to localhost:8000
"""
from http.server import HTTPServer, SimpleHTTPRequestHandler, test
import sys

class CORSRequestHandler (SimpleHTTPRequestHandler):
    def end_headers (self):
        self.send_header("Cross-Origin-Opener-Policy", "same-origin")
        self.send_header("Cross-Origin-Embedder-Policy", "require-corp")
        SimpleHTTPRequestHandler.end_headers(self)

if __name__ == '__main__':
    test(CORSRequestHandler, HTTPServer, port=int(sys.argv[1]) if len(sys.argv) > 1 else 8000)