Function format_host_port

src/trio/_highlevel_open_tcp_stream.py:157–162

(host: str | bytes, port: int | str)

def format_host_port(host: str | bytes, port: int | str) -> str:
    host = host.decode("ascii") if isinstance(host, bytes) else host
    if ":" in host:
        return f"[{host}]:{port}"
    else:
        return f"{host}:{port}"


# Twisted's HostnameEndpoint has a good set of configurations: