Function parse_upgrade

src/websockets/headers.py:286–299

Parse an ``Upgrade`` header. Return a list of HTTP protocols. Args: header: Value of the ``Upgrade`` header. Raises: InvalidHeaderFormat: On invalid inputs.

(header: str)

def parse_upgrade(header: str) -> list[UpgradeProtocol]:
    """
    Parse an ``Upgrade`` header.

    Return a list of HTTP protocols.

    Args:
        header: Value of the ``Upgrade`` header.

    Raises:
        InvalidHeaderFormat: On invalid inputs.

    """
    return parse_list(parse_upgrade_protocol, header, 0, "Upgrade")


def parse_extension_item_param(