def basic_auth_to_header()

in elastic_transport/client_utils.py [0:0]

• 12 lines of code
• 5 McCabe index (conditional complexity)

def basic_auth_to_header(basic_auth: Tuple[str, str]) -> str:
    """Converts a 2-tuple into a 'Basic' HTTP Authorization header"""
    if (
        not isinstance(basic_auth, tuple)
        or len(basic_auth) != 2
        or any(not isinstance(item, (str, bytes)) for item in basic_auth)
    ):
        raise ValueError(
            "'basic_auth' must be a 2-tuple of str/bytes (username, password)"
        )
    return (
        f"Basic {base64.b64encode(b':'.join(to_bytes(x) for x in basic_auth)).decode()}"
    )