Function _merge_ssl_params

aiohttp/client_reqrep.py:176–228

(
    ssl: Union["SSLContext", bool, Fingerprint],
    verify_ssl: bool | None,
    ssl_context: Optional["SSLContext"],
    fingerprint: bytes | None,
)

def _merge_ssl_params(
    ssl: Union["SSLContext", bool, Fingerprint],
    verify_ssl: bool | None,
    ssl_context: Optional["SSLContext"],
    fingerprint: bytes | None,
) -> Union["SSLContext", bool, Fingerprint]:
    if ssl is None:
        ssl = True  # Double check for backwards compatibility
    if verify_ssl is not None and not verify_ssl:
        warnings.warn(
            "verify_ssl is deprecated, use ssl=False instead",
            DeprecationWarning,
            stacklevel=3,
        )
        if ssl is not True:
            raise ValueError(
                "verify_ssl, ssl_context, fingerprint and ssl "
                "parameters are mutually exclusive"
            )
        else:
            ssl = False
    if ssl_context is not None:
        warnings.warn(
            "ssl_context is deprecated, use ssl=context instead",
            DeprecationWarning,
            stacklevel=3,
        )
        if ssl is not True:
            raise ValueError(
                "verify_ssl, ssl_context, fingerprint and ssl "
                "parameters are mutually exclusive"
            )
        else:
            ssl = ssl_context
    if fingerprint is not None:
        warnings.warn(
            "fingerprint is deprecated, use ssl=Fingerprint(fingerprint) instead",
            DeprecationWarning,
            stacklevel=3,
        )
        if ssl is not True:
            raise ValueError(
                "verify_ssl, ssl_context, fingerprint and ssl "
                "parameters are mutually exclusive"
            )
        else:
            ssl = Fingerprint(fingerprint)
    if not isinstance(ssl, SSL_ALLOWED_TYPES):
        raise TypeError(
            "ssl should be SSLContext, bool, Fingerprint or None, "
            f"got {ssl!r} instead."
        )
    return ssl


_SSL_SCHEMES = frozenset(("https", "wss"))