INNER CODE UNIT · Python

IsolatedSimpleHTTPRequestHandler

satoshikawato/gbdraw · gbdraw/cli.py:34

class IsolatedSimpleHTTPRequestHandler(http.server.SimpleHTTPRequestHandler):
    """Serve the browser UI with the headers required for SharedArrayBuffer."""

    def end_headers(self) -> None:
        self.send_header("Cross-Origin-Opener-Policy", "same-origin")
        self.send_header("Cross-Origin-Embedder-Policy", "require-corp")
        self.send_header("Cross-Origin-Resource-Policy", "same-origin")
        self.send_header("Content-Security-Policy", "frame-ancestors 'none'")
        super().end_headers()

def print_version() -> None:
    print(f"gbdraw version {__version_display__}")


def find_free_port():
    """Find a free port on localhost"""
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        s.bind(('127.0.0.1', 0))

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