Class InvalidStatus

src/websockets/exceptions.py:245–257

Raised when a handshake response rejects the WebSocket upgrade.

class InvalidStatus(InvalidHandshake):
    """
    Raised when a handshake response rejects the WebSocket upgrade.

    """

    def __init__(self, response: http11.Response) -> None:
        self.response = response

    def __str__(self) -> str:
        return (
            f"server rejected WebSocket connection: HTTP {self.response.status_code:d}"
        )


class InvalidHeader(InvalidHandshake):